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111
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1 /****************************************************************************
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2 * *
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3 * GNAT COMPILER COMPONENTS *
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4 * *
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5 * A D A I N T *
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6 * *
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7 * C Implementation File *
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8 * *
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9 * Copyright (C) 1992-2017, Free Software Foundation, Inc. *
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10 * *
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11 * GNAT is free software; you can redistribute it and/or modify it under *
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12 * terms of the GNU General Public License as published by the Free Soft- *
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13 * ware Foundation; either version 3, or (at your option) any later ver- *
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14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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16 * or FITNESS FOR A PARTICULAR PURPOSE. *
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17 * *
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18 * As a special exception under Section 7 of GPL version 3, you are granted *
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19 * additional permissions described in the GCC Runtime Library Exception, *
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20 * version 3.1, as published by the Free Software Foundation. *
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21 * *
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22 * You should have received a copy of the GNU General Public License and *
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23 * a copy of the GCC Runtime Library Exception along with this program; *
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24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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25 * <http://www.gnu.org/licenses/>. *
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26 * *
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27 * GNAT was originally developed by the GNAT team at New York University. *
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28 * Extensive contributions were provided by Ada Core Technologies Inc. *
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29 * *
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30 ****************************************************************************/
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31
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32 /* This file contains those routines named by Import pragmas in
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33 packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in
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34 package Osint. Many of the subprograms in OS_Lib import standard
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35 library calls directly. This file contains all other routines. */
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36
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37 /* Ensure access to errno is thread safe. */
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38 #define _REENTRANT
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39 #define _THREAD_SAFE
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40
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41 /* Use 64 bit Large File API */
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42 #ifndef _LARGEFILE_SOURCE
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43 #define _LARGEFILE_SOURCE
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44 #endif
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45 #define _FILE_OFFSET_BITS 64
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46
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47 #ifdef __vxworks
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48
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49 /* No need to redefine exit here. */
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50 #undef exit
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51
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52 /* We want to use the POSIX variants of include files. */
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53 #define POSIX
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54 #include "vxWorks.h"
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55
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56 #if defined (__mips_vxworks)
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57 #include "cacheLib.h"
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58 #endif /* __mips_vxworks */
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59
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60 /* If SMP, access vxCpuConfiguredGet */
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61 #ifdef _WRS_CONFIG_SMP
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62 #include <vxCpuLib.h>
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63 #endif /* _WRS_CONFIG_SMP */
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64
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65 /* We need to know the VxWorks version because some file operations
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66 (such as chmod) are only available on VxWorks 6. */
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67 #include "version.h"
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68
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69 #endif /* VxWorks */
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70
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71 #if defined (__APPLE__)
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72 #include <unistd.h>
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73 #endif
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74
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75 #if defined (__hpux__)
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76 #include <sys/param.h>
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77 #include <sys/pstat.h>
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78 #endif
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79
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80 #ifdef __PikeOS__
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81 #define __BSD_VISIBLE 1
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82 #endif
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83
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84 #ifdef IN_RTS
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85 #include "tconfig.h"
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86 #include "tsystem.h"
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87 #include <sys/stat.h>
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88 #include <fcntl.h>
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89 #include <time.h>
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90
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91 #if defined (__vxworks) || defined (__ANDROID__)
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92 /* S_IREAD and S_IWRITE are not defined in VxWorks or Android */
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93 #ifndef S_IREAD
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94 #define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH)
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95 #endif
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96
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97 #ifndef S_IWRITE
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98 #define S_IWRITE (S_IWUSR)
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99 #endif
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100 #endif
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101
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102 /* We don't have libiberty, so use malloc. */
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103 #define xmalloc(S) malloc (S)
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104 #define xrealloc(V,S) realloc (V,S)
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105 #else
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106 #include "config.h"
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107 #include "system.h"
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108 #include "version.h"
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109 #endif
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110
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111 #ifdef __cplusplus
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112 extern "C" {
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113 #endif
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114
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115 #if defined (__DJGPP__)
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116
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117 /* For isalpha-like tests in the compiler, we're expected to resort to
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118 safe-ctype.h/ISALPHA. This isn't available for the runtime library
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119 build, so we fallback on ctype.h/isalpha there. */
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120
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121 #ifdef IN_RTS
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122 #include <ctype.h>
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123 #define ISALPHA isalpha
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124 #endif
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125
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126 #elif defined (__MINGW32__) || defined (__CYGWIN__)
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127
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128 #include "mingw32.h"
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129
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130 /* Current code page and CCS encoding to use, set in initialize.c. */
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131 UINT __gnat_current_codepage;
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132 UINT __gnat_current_ccs_encoding;
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133
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134 #include <sys/utime.h>
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135
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136 /* For isalpha-like tests in the compiler, we're expected to resort to
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137 safe-ctype.h/ISALPHA. This isn't available for the runtime library
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138 build, so we fallback on ctype.h/isalpha there. */
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139
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140 #ifdef IN_RTS
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141 #include <ctype.h>
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142 #define ISALPHA isalpha
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143 #endif
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144
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145 #elif defined (__Lynx__)
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146
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147 /* Lynx utime.h only defines the entities of interest to us if
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148 defined (VMOS_DEV), so ... */
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149 #define VMOS_DEV
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150 #include <utime.h>
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151 #undef VMOS_DEV
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152
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153 #else
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154 #include <utime.h>
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155 #endif
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156
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157 /* wait.h processing */
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158 #ifdef __MINGW32__
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159 # if OLD_MINGW
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160 # include <sys/wait.h>
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161 # endif
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162 #elif defined (__vxworks) && defined (__RTP__)
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163 # include <wait.h>
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164 #elif defined (__Lynx__)
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165 /* ??? We really need wait.h and it includes resource.h on Lynx. GCC
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166 has a resource.h header as well, included instead of the lynx
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167 version in our setup, causing lots of errors. We don't really need
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168 the lynx contents of this file, so just workaround the issue by
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169 preventing the inclusion of the GCC header from doing anything. */
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170 # define GCC_RESOURCE_H
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171 # include <sys/wait.h>
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172 #elif defined (__PikeOS__)
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173 /* No wait() or waitpid() calls available. */
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174 #else
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175 /* Default case. */
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176 #include <sys/wait.h>
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177 #endif
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178
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179 #if defined (__DJGPP__)
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180 #include <process.h>
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181 #include <signal.h>
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182 #include <dir.h>
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183 #include <utime.h>
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184 #undef DIR_SEPARATOR
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185 #define DIR_SEPARATOR '\\'
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186
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187 #elif defined (_WIN32)
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188
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189 #include <windows.h>
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190 #include <accctrl.h>
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191 #include <aclapi.h>
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192 #include <tlhelp32.h>
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193 #include <signal.h>
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194 #undef DIR_SEPARATOR
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195 #define DIR_SEPARATOR '\\'
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196
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197 #else
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198 #include <utime.h>
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199 #endif
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200
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201 #include "adaint.h"
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202
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203 /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not
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204 defined in the current system. On DOS-like systems these flags control
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205 whether the file is opened/created in text-translation mode (CR/LF in
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206 external file mapped to LF in internal file), but in Unix-like systems,
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207 no text translation is required, so these flags have no effect. */
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208
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209 #ifndef O_BINARY
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210 #define O_BINARY 0
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211 #endif
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212
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213 #ifndef O_TEXT
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214 #define O_TEXT 0
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215 #endif
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216
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217 #ifndef HOST_EXECUTABLE_SUFFIX
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218 #define HOST_EXECUTABLE_SUFFIX ""
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219 #endif
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220
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221 #ifndef HOST_OBJECT_SUFFIX
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222 #define HOST_OBJECT_SUFFIX ".o"
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223 #endif
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224
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225 #ifndef PATH_SEPARATOR
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226 #define PATH_SEPARATOR ':'
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227 #endif
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228
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229 #ifndef DIR_SEPARATOR
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230 #define DIR_SEPARATOR '/'
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231 #endif
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232
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233 /* Check for cross-compilation. */
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234 #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE)
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235 #define IS_CROSS 1
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236 int __gnat_is_cross_compiler = 1;
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237 #else
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238 #undef IS_CROSS
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239 int __gnat_is_cross_compiler = 0;
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240 #endif
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241
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242 char __gnat_dir_separator = DIR_SEPARATOR;
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243
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244 char __gnat_path_separator = PATH_SEPARATOR;
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245
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246 /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define
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247 the base filenames that libraries specified with -lsomelib options
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248 may have. This is used by GNATMAKE to check whether an executable
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249 is up-to-date or not. The syntax is
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250
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251 library_template ::= { pattern ; } pattern NUL
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252 pattern ::= [ prefix ] * [ postfix ]
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253
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254 These should only specify names of static libraries as it makes
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255 no sense to determine at link time if dynamic-link libraries are
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256 up to date or not. Any libraries that are not found are supposed
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257 to be up-to-date:
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258
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259 * if they are needed but not present, the link
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260 will fail,
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261
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262 * otherwise they are libraries in the system paths and so
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263 they are considered part of the system and not checked
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264 for that reason.
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265
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266 ??? This should be part of a GNAT host-specific compiler
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267 file instead of being included in all user applications
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268 as well. This is only a temporary work-around for 3.11b. */
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269
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270 #ifndef GNAT_LIBRARY_TEMPLATE
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271 #define GNAT_LIBRARY_TEMPLATE "lib*.a"
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272 #endif
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273
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274 const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE;
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275
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276 #if defined (__vxworks)
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277 #define GNAT_MAX_PATH_LEN PATH_MAX
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278
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279 #else
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280
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281 #if defined (__MINGW32__)
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282 #include "mingw32.h"
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283
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284 #if OLD_MINGW
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285 #include <sys/param.h>
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286 #endif
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287
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288 #else
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289 #include <sys/param.h>
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290 #endif
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291
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292 #ifdef MAXPATHLEN
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293 #define GNAT_MAX_PATH_LEN MAXPATHLEN
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294 #else
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295 #define GNAT_MAX_PATH_LEN 256
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296 #endif
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297
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298 #endif
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299
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300 /* Used for runtime check that Ada constant File_Attributes_Size is no
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301 less than the actual size of struct file_attributes (see Osint
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302 initialization). */
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303 int __gnat_size_of_file_attributes = sizeof (struct file_attributes);
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304
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305 void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr);
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306
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307 /* The __gnat_max_path_len variable is used to export the maximum
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308 length of a path name to Ada code. max_path_len is also provided
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309 for compatibility with older GNAT versions, please do not use
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310 it. */
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311
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312 int __gnat_max_path_len = GNAT_MAX_PATH_LEN;
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313 int max_path_len = GNAT_MAX_PATH_LEN;
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314
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315 /* Control whether we can use ACL on Windows. */
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316
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317 int __gnat_use_acl = 1;
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318
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319 /* The following macro HAVE_READDIR_R should be defined if the
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320 system provides the routine readdir_r.
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321 ... but we never define it anywhere??? */
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322 #undef HAVE_READDIR_R
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323
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324 #define MAYBE_TO_PTR32(argv) argv
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325
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326 static const char ATTR_UNSET = 127;
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327
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328 /* Reset the file attributes as if no system call had been performed */
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329
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330 void
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331 __gnat_reset_attributes (struct file_attributes* attr)
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332 {
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333 attr->exists = ATTR_UNSET;
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334 attr->error = EINVAL;
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335
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336 attr->writable = ATTR_UNSET;
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337 attr->readable = ATTR_UNSET;
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338 attr->executable = ATTR_UNSET;
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339
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340 attr->regular = ATTR_UNSET;
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341 attr->symbolic_link = ATTR_UNSET;
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342 attr->directory = ATTR_UNSET;
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343
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344 attr->timestamp = (OS_Time)-2;
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345 attr->file_length = -1;
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346 }
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347
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348 int
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349 __gnat_error_attributes (struct file_attributes *attr) {
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350 return attr->error;
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351 }
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352
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353 OS_Time
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354 __gnat_current_time (void)
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355 {
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356 time_t res = time (NULL);
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357 return (OS_Time) res;
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358 }
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359
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360 /* Return the current local time as a string in the ISO 8601 format of
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361 "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters
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362 long. */
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363
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364 void
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365 __gnat_current_time_string (char *result)
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366 {
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367 const char *format = "%Y-%m-%d %H:%M:%S";
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368 /* Format string necessary to describe the ISO 8601 format */
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369
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370 const time_t t_val = time (NULL);
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371
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372 strftime (result, 22, format, localtime (&t_val));
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373 /* Convert the local time into a string following the ISO format, copying
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374 at most 22 characters into the result string. */
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375
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376 result [19] = '.';
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377 result [20] = '0';
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378 result [21] = '0';
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379 /* The sub-seconds are manually set to zero since type time_t lacks the
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380 precision necessary for nanoseconds. */
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381 }
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382
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383 void
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384 __gnat_to_gm_time (OS_Time *p_time, int *p_year, int *p_month, int *p_day,
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385 int *p_hours, int *p_mins, int *p_secs)
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386 {
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387 struct tm *res;
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388 time_t time = (time_t) *p_time;
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389
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390 #ifdef _WIN32
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391 /* On Windows systems, the time is sometimes rounded up to the nearest
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392 even second, so if the number of seconds is odd, increment it. */
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393 if (time & 1)
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394 time++;
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395 #endif
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396
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397 res = gmtime (&time);
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398 if (res)
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399 {
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400 *p_year = res->tm_year;
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401 *p_month = res->tm_mon;
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402 *p_day = res->tm_mday;
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403 *p_hours = res->tm_hour;
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404 *p_mins = res->tm_min;
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405 *p_secs = res->tm_sec;
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406 }
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407 else
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408 *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0;
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409 }
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410
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411 void
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412 __gnat_to_os_time (OS_Time *p_time, int year, int month, int day,
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413 int hours, int mins, int secs)
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414 {
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415 struct tm v;
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416
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417 v.tm_year = year;
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418 v.tm_mon = month;
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419 v.tm_mday = day;
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420 v.tm_hour = hours;
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421 v.tm_min = mins;
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422 v.tm_sec = secs;
|
|
|
423 v.tm_isdst = -1;
|
|
|
424
|
|
|
425 /* returns -1 of failing, this is s-os_lib Invalid_Time */
|
|
|
426
|
|
|
427 *p_time = (OS_Time) mktime (&v);
|
|
|
428 }
|
|
|
429
|
|
|
430 /* Place the contents of the symbolic link named PATH in the buffer BUF,
|
|
|
431 which has size BUFSIZ. If PATH is a symbolic link, then return the number
|
|
|
432 of characters of its content in BUF. Otherwise, return -1.
|
|
|
433 For systems not supporting symbolic links, always return -1. */
|
|
|
434
|
|
|
435 int
|
|
|
436 __gnat_readlink (char *path ATTRIBUTE_UNUSED,
|
|
|
437 char *buf ATTRIBUTE_UNUSED,
|
|
|
438 size_t bufsiz ATTRIBUTE_UNUSED)
|
|
|
439 {
|
|
|
440 #if defined (_WIN32) \
|
|
|
441 || defined(__vxworks) || defined (__PikeOS__)
|
|
|
442 return -1;
|
|
|
443 #else
|
|
|
444 return readlink (path, buf, bufsiz);
|
|
|
445 #endif
|
|
|
446 }
|
|
|
447
|
|
|
448 /* Creates a symbolic link named NEWPATH which contains the string OLDPATH.
|
|
|
449 If NEWPATH exists it will NOT be overwritten.
|
|
|
450 For systems not supporting symbolic links, always return -1. */
|
|
|
451
|
|
|
452 int
|
|
|
453 __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
|
|
|
454 char *newpath ATTRIBUTE_UNUSED)
|
|
|
455 {
|
|
|
456 #if defined (_WIN32) \
|
|
|
457 || defined(__vxworks) || defined (__PikeOS__)
|
|
|
458 return -1;
|
|
|
459 #else
|
|
|
460 return symlink (oldpath, newpath);
|
|
|
461 #endif
|
|
|
462 }
|
|
|
463
|
|
|
464 /* Try to lock a file, return 1 if success. */
|
|
|
465
|
|
|
466 #if defined (__vxworks) \
|
|
|
467 || defined (_WIN32) || defined (__PikeOS__)
|
|
|
468
|
|
|
469 /* Version that does not use link. */
|
|
|
470
|
|
|
471 int
|
|
|
472 __gnat_try_lock (char *dir, char *file)
|
|
|
473 {
|
|
|
474 int fd;
|
|
|
475 #ifdef __MINGW32__
|
|
|
476 TCHAR wfull_path[GNAT_MAX_PATH_LEN];
|
|
|
477 TCHAR wfile[GNAT_MAX_PATH_LEN];
|
|
|
478 TCHAR wdir[GNAT_MAX_PATH_LEN];
|
|
|
479
|
|
|
480 S2WSC (wdir, dir, GNAT_MAX_PATH_LEN);
|
|
|
481 S2WSC (wfile, file, GNAT_MAX_PATH_LEN);
|
|
|
482
|
|
|
483 /* ??? the code below crash on MingW64 for obscure reasons, a ticket
|
|
|
484 has been opened here:
|
|
|
485
|
|
|
486 https://sourceforge.net/p/mingw-w64/bugs/414/
|
|
|
487
|
|
|
488 As a workaround an equivalent set of code has been put in place below.
|
|
|
489
|
|
|
490 _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile);
|
|
|
491 */
|
|
|
492
|
|
|
493 _tcscpy (wfull_path, wdir);
|
|
|
494 _tcscat (wfull_path, L"\\");
|
|
|
495 _tcscat (wfull_path, wfile);
|
|
|
496
|
|
|
497 fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600);
|
|
|
498 #else
|
|
|
499 char full_path[256];
|
|
|
500
|
|
|
501 sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
|
|
502 fd = open (full_path, O_CREAT | O_EXCL, 0600);
|
|
|
503 #endif
|
|
|
504
|
|
|
505 if (fd < 0)
|
|
|
506 return 0;
|
|
|
507
|
|
|
508 close (fd);
|
|
|
509 return 1;
|
|
|
510 }
|
|
|
511
|
|
|
512 #else
|
|
|
513
|
|
|
514 /* Version using link(), more secure over NFS. */
|
|
|
515 /* See TN 6913-016 for discussion ??? */
|
|
|
516
|
|
|
517 int
|
|
|
518 __gnat_try_lock (char *dir, char *file)
|
|
|
519 {
|
|
|
520 char full_path[256];
|
|
|
521 char temp_file[256];
|
|
|
522 GNAT_STRUCT_STAT stat_result;
|
|
|
523 int fd;
|
|
|
524
|
|
|
525 sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
|
|
526 sprintf (temp_file, "%s%cTMP-%ld-%ld",
|
|
|
527 dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ());
|
|
|
528
|
|
|
529 /* Create the temporary file and write the process number. */
|
|
|
530 fd = open (temp_file, O_CREAT | O_WRONLY, 0600);
|
|
|
531 if (fd < 0)
|
|
|
532 return 0;
|
|
|
533
|
|
|
534 close (fd);
|
|
|
535
|
|
|
536 /* Link it with the new file. */
|
|
|
537 link (temp_file, full_path);
|
|
|
538
|
|
|
539 /* Count the references on the old one. If we have a count of two, then
|
|
|
540 the link did succeed. Remove the temporary file before returning. */
|
|
|
541 __gnat_stat (temp_file, &stat_result);
|
|
|
542 unlink (temp_file);
|
|
|
543 return stat_result.st_nlink == 2;
|
|
|
544 }
|
|
|
545 #endif
|
|
|
546
|
|
|
547 /* Return the maximum file name length. */
|
|
|
548
|
|
|
549 int
|
|
|
550 __gnat_get_maximum_file_name_length (void)
|
|
|
551 {
|
|
|
552 return -1;
|
|
|
553 }
|
|
|
554
|
|
|
555 /* Return nonzero if file names are case sensitive. */
|
|
|
556
|
|
|
557 static int file_names_case_sensitive_cache = -1;
|
|
|
558
|
|
|
559 int
|
|
|
560 __gnat_get_file_names_case_sensitive (void)
|
|
|
561 {
|
|
|
562 if (file_names_case_sensitive_cache == -1)
|
|
|
563 {
|
|
|
564 const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE");
|
|
|
565
|
|
|
566 if (sensitive != NULL
|
|
|
567 && (sensitive[0] == '0' || sensitive[0] == '1')
|
|
|
568 && sensitive[1] == '\0')
|
|
|
569 file_names_case_sensitive_cache = sensitive[0] - '0';
|
|
|
570 else
|
|
|
571 {
|
|
|
572 /* By default, we suppose filesystems aren't case sensitive on
|
|
|
573 Windows and Darwin (but they are on arm-darwin). */
|
|
|
574 #if defined (WINNT) || defined (__DJGPP__) \
|
|
|
575 || (defined (__APPLE__) && !(defined (__arm__) || defined (__arm64__)))
|
|
|
576 file_names_case_sensitive_cache = 0;
|
|
|
577 #else
|
|
|
578 file_names_case_sensitive_cache = 1;
|
|
|
579 #endif
|
|
|
580 }
|
|
|
581 }
|
|
|
582 return file_names_case_sensitive_cache;
|
|
|
583 }
|
|
|
584
|
|
|
585 /* Return nonzero if environment variables are case sensitive. */
|
|
|
586
|
|
|
587 int
|
|
|
588 __gnat_get_env_vars_case_sensitive (void)
|
|
|
589 {
|
|
|
590 #if defined (WINNT) || defined (__DJGPP__)
|
|
|
591 return 0;
|
|
|
592 #else
|
|
|
593 return 1;
|
|
|
594 #endif
|
|
|
595 }
|
|
|
596
|
|
|
597 char
|
|
|
598 __gnat_get_default_identifier_character_set (void)
|
|
|
599 {
|
|
|
600 return '1';
|
|
|
601 }
|
|
|
602
|
|
|
603 /* Return the current working directory. */
|
|
|
604
|
|
|
605 void
|
|
|
606 __gnat_get_current_dir (char *dir, int *length)
|
|
|
607 {
|
|
|
608 #if defined (__MINGW32__)
|
|
|
609 TCHAR wdir[GNAT_MAX_PATH_LEN];
|
|
|
610
|
|
|
611 _tgetcwd (wdir, *length);
|
|
|
612
|
|
|
613 WS2SC (dir, wdir, GNAT_MAX_PATH_LEN);
|
|
|
614
|
|
|
615 #else
|
|
|
616 char* result = getcwd (dir, *length);
|
|
|
617 /* If the current directory does not exist, set length = 0
|
|
|
618 to indicate error. That can't happen on windows, where
|
|
|
619 you can't delete a directory if it is the current
|
|
|
620 directory of some process. */
|
|
|
621 if (!result)
|
|
|
622 {
|
|
|
623 *length = 0;
|
|
|
624 return;
|
|
|
625 }
|
|
|
626 #endif
|
|
|
627
|
|
|
628 *length = strlen (dir);
|
|
|
629
|
|
|
630 if (dir [*length - 1] != DIR_SEPARATOR)
|
|
|
631 {
|
|
|
632 dir [*length] = DIR_SEPARATOR;
|
|
|
633 ++(*length);
|
|
|
634 }
|
|
|
635 dir[*length] = '\0';
|
|
|
636 }
|
|
|
637
|
|
|
638 /* Return the suffix for object files. */
|
|
|
639
|
|
|
640 void
|
|
|
641 __gnat_get_object_suffix_ptr (int *len, const char **value)
|
|
|
642 {
|
|
|
643 *value = HOST_OBJECT_SUFFIX;
|
|
|
644
|
|
|
645 if (*value == 0)
|
|
|
646 *len = 0;
|
|
|
647 else
|
|
|
648 *len = strlen (*value);
|
|
|
649
|
|
|
650 return;
|
|
|
651 }
|
|
|
652
|
|
|
653 /* Return the suffix for executable files. */
|
|
|
654
|
|
|
655 void
|
|
|
656 __gnat_get_executable_suffix_ptr (int *len, const char **value)
|
|
|
657 {
|
|
|
658 *value = HOST_EXECUTABLE_SUFFIX;
|
|
|
659 if (!*value)
|
|
|
660 *len = 0;
|
|
|
661 else
|
|
|
662 *len = strlen (*value);
|
|
|
663
|
|
|
664 return;
|
|
|
665 }
|
|
|
666
|
|
|
667 /* Return the suffix for debuggable files. Usually this is the same as the
|
|
|
668 executable extension. */
|
|
|
669
|
|
|
670 void
|
|
|
671 __gnat_get_debuggable_suffix_ptr (int *len, const char **value)
|
|
|
672 {
|
|
|
673 *value = HOST_EXECUTABLE_SUFFIX;
|
|
|
674
|
|
|
675 if (*value == 0)
|
|
|
676 *len = 0;
|
|
|
677 else
|
|
|
678 *len = strlen (*value);
|
|
|
679
|
|
|
680 return;
|
|
|
681 }
|
|
|
682
|
|
|
683 /* Returns the OS filename and corresponding encoding. */
|
|
|
684
|
|
|
685 void
|
|
|
686 __gnat_os_filename (char *filename ATTRIBUTE_UNUSED,
|
|
|
687 char *w_filename ATTRIBUTE_UNUSED,
|
|
|
688 char *os_name, int *o_length,
|
|
|
689 char *encoding ATTRIBUTE_UNUSED, int *e_length)
|
|
|
690 {
|
|
|
691 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
692 WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length);
|
|
|
693 *o_length = strlen (os_name);
|
|
|
694 strcpy (encoding, "encoding=utf8");
|
|
|
695 *e_length = strlen (encoding);
|
|
|
696 #else
|
|
|
697 strcpy (os_name, filename);
|
|
|
698 *o_length = strlen (filename);
|
|
|
699 *e_length = 0;
|
|
|
700 #endif
|
|
|
701 }
|
|
|
702
|
|
|
703 /* Delete a file. */
|
|
|
704
|
|
|
705 int
|
|
|
706 __gnat_unlink (char *path)
|
|
|
707 {
|
|
|
708 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
709 {
|
|
|
710 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
711
|
|
|
712 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
713 return _tunlink (wpath);
|
|
|
714 }
|
|
|
715 #else
|
|
|
716 return unlink (path);
|
|
|
717 #endif
|
|
|
718 }
|
|
|
719
|
|
|
720 /* Rename a file. */
|
|
|
721
|
|
|
722 int
|
|
|
723 __gnat_rename (char *from, char *to)
|
|
|
724 {
|
|
|
725 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
726 {
|
|
|
727 TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN];
|
|
|
728
|
|
|
729 S2WSC (wfrom, from, GNAT_MAX_PATH_LEN);
|
|
|
730 S2WSC (wto, to, GNAT_MAX_PATH_LEN);
|
|
|
731 return _trename (wfrom, wto);
|
|
|
732 }
|
|
|
733 #else
|
|
|
734 return rename (from, to);
|
|
|
735 #endif
|
|
|
736 }
|
|
|
737
|
|
|
738 /* Changing directory. */
|
|
|
739
|
|
|
740 int
|
|
|
741 __gnat_chdir (char *path)
|
|
|
742 {
|
|
|
743 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
744 {
|
|
|
745 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
746
|
|
|
747 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
748 return _tchdir (wpath);
|
|
|
749 }
|
|
|
750 #else
|
|
|
751 return chdir (path);
|
|
|
752 #endif
|
|
|
753 }
|
|
|
754
|
|
|
755 /* Removing a directory. */
|
|
|
756
|
|
|
757 int
|
|
|
758 __gnat_rmdir (char *path)
|
|
|
759 {
|
|
|
760 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
761 {
|
|
|
762 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
763
|
|
|
764 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
765 return _trmdir (wpath);
|
|
|
766 }
|
|
|
767 #elif defined (VTHREADS)
|
|
|
768 /* rmdir not available */
|
|
|
769 return -1;
|
|
|
770 #else
|
|
|
771 return rmdir (path);
|
|
|
772 #endif
|
|
|
773 }
|
|
|
774
|
|
|
775 #if defined (_WIN32) || defined (__linux__) || defined (__sun__) \
|
|
|
776 || defined (__FreeBSD__) || defined(__DragonFly__)
|
|
|
777 #define HAS_TARGET_WCHAR_T
|
|
|
778 #endif
|
|
|
779
|
|
|
780 #ifdef HAS_TARGET_WCHAR_T
|
|
|
781 #include <wchar.h>
|
|
|
782 #endif
|
|
|
783
|
|
|
784 int
|
|
|
785 __gnat_fputwc(int c, FILE *stream)
|
|
|
786 {
|
|
|
787 #ifdef HAS_TARGET_WCHAR_T
|
|
|
788 return fputwc ((wchar_t)c, stream);
|
|
|
789 #else
|
|
|
790 return fputc (c, stream);
|
|
|
791 #endif
|
|
|
792 }
|
|
|
793
|
|
|
794 FILE *
|
|
|
795 __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED)
|
|
|
796 {
|
|
|
797 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
798 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
799 TCHAR wmode[10];
|
|
|
800
|
|
|
801 S2WS (wmode, mode, 10);
|
|
|
802
|
|
|
803 if (encoding == Encoding_Unspecified)
|
|
|
804 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
805 else if (encoding == Encoding_UTF8)
|
|
|
806 S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
807 else
|
|
|
808 S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
809
|
|
|
810 return _tfopen (wpath, wmode);
|
|
|
811
|
|
|
812 #else
|
|
|
813 return GNAT_FOPEN (path, mode);
|
|
|
814 #endif
|
|
|
815 }
|
|
|
816
|
|
|
817 FILE *
|
|
|
818 __gnat_freopen (char *path,
|
|
|
819 char *mode,
|
|
|
820 FILE *stream,
|
|
|
821 int encoding ATTRIBUTE_UNUSED)
|
|
|
822 {
|
|
|
823 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
824 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
825 TCHAR wmode[10];
|
|
|
826
|
|
|
827 S2WS (wmode, mode, 10);
|
|
|
828
|
|
|
829 if (encoding == Encoding_Unspecified)
|
|
|
830 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
831 else if (encoding == Encoding_UTF8)
|
|
|
832 S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
833 else
|
|
|
834 S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
835
|
|
|
836 return _tfreopen (wpath, wmode, stream);
|
|
|
837 #else
|
|
|
838 return freopen (path, mode, stream);
|
|
|
839 #endif
|
|
|
840 }
|
|
|
841
|
|
|
842 int
|
|
|
843 __gnat_open_read (char *path, int fmode)
|
|
|
844 {
|
|
|
845 int fd;
|
|
|
846 int o_fmode = O_BINARY;
|
|
|
847
|
|
|
848 if (fmode)
|
|
|
849 o_fmode = O_TEXT;
|
|
|
850
|
|
|
851 #if defined (__vxworks)
|
|
|
852 fd = open (path, O_RDONLY | o_fmode, 0444);
|
|
|
853 #elif defined (__MINGW32__)
|
|
|
854 {
|
|
|
855 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
856
|
|
|
857 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
858 fd = _topen (wpath, O_RDONLY | o_fmode, 0444);
|
|
|
859 }
|
|
|
860 #else
|
|
|
861 fd = GNAT_OPEN (path, O_RDONLY | o_fmode);
|
|
|
862 #endif
|
|
|
863
|
|
|
864 return fd < 0 ? -1 : fd;
|
|
|
865 }
|
|
|
866
|
|
|
867 #if defined (__MINGW32__)
|
|
|
868 #define PERM (S_IREAD | S_IWRITE)
|
|
|
869 #else
|
|
|
870 #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
|
|
|
871 #endif
|
|
|
872
|
|
|
873 int
|
|
|
874 __gnat_open_rw (char *path, int fmode)
|
|
|
875 {
|
|
|
876 int fd;
|
|
|
877 int o_fmode = O_BINARY;
|
|
|
878
|
|
|
879 if (fmode)
|
|
|
880 o_fmode = O_TEXT;
|
|
|
881
|
|
|
882 #if defined (__MINGW32__)
|
|
|
883 {
|
|
|
884 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
885
|
|
|
886 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
887 fd = _topen (wpath, O_RDWR | o_fmode, PERM);
|
|
|
888 }
|
|
|
889 #else
|
|
|
890 fd = GNAT_OPEN (path, O_RDWR | o_fmode, PERM);
|
|
|
891 #endif
|
|
|
892
|
|
|
893 return fd < 0 ? -1 : fd;
|
|
|
894 }
|
|
|
895
|
|
|
896 int
|
|
|
897 __gnat_open_create (char *path, int fmode)
|
|
|
898 {
|
|
|
899 int fd;
|
|
|
900 int o_fmode = O_BINARY;
|
|
|
901
|
|
|
902 if (fmode)
|
|
|
903 o_fmode = O_TEXT;
|
|
|
904
|
|
|
905 #if defined (__MINGW32__)
|
|
|
906 {
|
|
|
907 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
908
|
|
|
909 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
910 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
|
|
911 }
|
|
|
912 #else
|
|
|
913 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
|
|
914 #endif
|
|
|
915
|
|
|
916 return fd < 0 ? -1 : fd;
|
|
|
917 }
|
|
|
918
|
|
|
919 int
|
|
|
920 __gnat_create_output_file (char *path)
|
|
|
921 {
|
|
|
922 int fd;
|
|
|
923 #if defined (__MINGW32__)
|
|
|
924 {
|
|
|
925 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
926
|
|
|
927 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
928 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
|
|
929 }
|
|
|
930 #else
|
|
|
931 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
|
|
932 #endif
|
|
|
933
|
|
|
934 return fd < 0 ? -1 : fd;
|
|
|
935 }
|
|
|
936
|
|
|
937 int
|
|
|
938 __gnat_create_output_file_new (char *path)
|
|
|
939 {
|
|
|
940 int fd;
|
|
|
941 #if defined (__MINGW32__)
|
|
|
942 {
|
|
|
943 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
944
|
|
|
945 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
946 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
|
|
947 }
|
|
|
948 #else
|
|
|
949 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
|
|
950 #endif
|
|
|
951
|
|
|
952 return fd < 0 ? -1 : fd;
|
|
|
953 }
|
|
|
954
|
|
|
955 int
|
|
|
956 __gnat_open_append (char *path, int fmode)
|
|
|
957 {
|
|
|
958 int fd;
|
|
|
959 int o_fmode = O_BINARY;
|
|
|
960
|
|
|
961 if (fmode)
|
|
|
962 o_fmode = O_TEXT;
|
|
|
963
|
|
|
964 #if defined (__MINGW32__)
|
|
|
965 {
|
|
|
966 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
967
|
|
|
968 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
969 fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
|
|
970 }
|
|
|
971 #else
|
|
|
972 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
|
|
973 #endif
|
|
|
974
|
|
|
975 return fd < 0 ? -1 : fd;
|
|
|
976 }
|
|
|
977
|
|
|
978 /* Open a new file. Return error (-1) if the file already exists. */
|
|
|
979
|
|
|
980 int
|
|
|
981 __gnat_open_new (char *path, int fmode)
|
|
|
982 {
|
|
|
983 int fd;
|
|
|
984 int o_fmode = O_BINARY;
|
|
|
985
|
|
|
986 if (fmode)
|
|
|
987 o_fmode = O_TEXT;
|
|
|
988
|
|
|
989 #if defined (__MINGW32__)
|
|
|
990 {
|
|
|
991 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
992
|
|
|
993 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
994 fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
995 }
|
|
|
996 #else
|
|
|
997 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
998 #endif
|
|
|
999
|
|
|
1000 return fd < 0 ? -1 : fd;
|
|
|
1001 }
|
|
|
1002
|
|
|
1003 /* Open a new temp file. Return error (-1) if the file already exists. */
|
|
|
1004
|
|
|
1005 int
|
|
|
1006 __gnat_open_new_temp (char *path, int fmode)
|
|
|
1007 {
|
|
|
1008 int fd;
|
|
|
1009 int o_fmode = O_BINARY;
|
|
|
1010
|
|
|
1011 strcpy (path, "GNAT-XXXXXX");
|
|
|
1012
|
|
|
1013 #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \
|
|
|
1014 || defined (__linux__) || defined (__GLIBC__) || defined (__ANDROID__) \
|
|
|
1015 || defined (__DragonFly__)) && !defined (__vxworks)
|
|
|
1016 return mkstemp (path);
|
|
|
1017 #elif defined (__Lynx__)
|
|
|
1018 mktemp (path);
|
|
|
1019 #else
|
|
|
1020 if (mktemp (path) == NULL)
|
|
|
1021 return -1;
|
|
|
1022 #endif
|
|
|
1023
|
|
|
1024 if (fmode)
|
|
|
1025 o_fmode = O_TEXT;
|
|
|
1026
|
|
|
1027 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
1028 return fd < 0 ? -1 : fd;
|
|
|
1029 }
|
|
|
1030
|
|
|
1031 int
|
|
|
1032 __gnat_open (char *path, int fmode)
|
|
|
1033 {
|
|
|
1034 int fd;
|
|
|
1035
|
|
|
1036 #if defined (__MINGW32__)
|
|
|
1037 {
|
|
|
1038 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
1039
|
|
|
1040 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
1041 fd = _topen (wpath, fmode, PERM);
|
|
|
1042 }
|
|
|
1043 #else
|
|
|
1044 fd = GNAT_OPEN (path, fmode, PERM);
|
|
|
1045 #endif
|
|
|
1046
|
|
|
1047 return fd < 0 ? -1 : fd;
|
|
|
1048 }
|
|
|
1049
|
|
|
1050 /****************************************************************
|
|
|
1051 ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information
|
|
|
1052 ** as possible from it, storing the result in a cache for later reuse
|
|
|
1053 ****************************************************************/
|
|
|
1054
|
|
|
1055 void
|
|
|
1056 __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr)
|
|
|
1057 {
|
|
|
1058 GNAT_STRUCT_STAT statbuf;
|
|
|
1059 int ret, error;
|
|
|
1060
|
|
|
1061 if (fd != -1) {
|
|
|
1062 /* GNAT_FSTAT returns -1 and sets errno for failure */
|
|
|
1063 ret = GNAT_FSTAT (fd, &statbuf);
|
|
|
1064 error = ret ? errno : 0;
|
|
|
1065
|
|
|
1066 } else {
|
|
|
1067 /* __gnat_stat returns errno value directly */
|
|
|
1068 error = __gnat_stat (name, &statbuf);
|
|
|
1069 ret = error ? -1 : 0;
|
|
|
1070 }
|
|
|
1071
|
|
|
1072 /*
|
|
|
1073 * A missing file is reported as an attr structure with error == 0 and
|
|
|
1074 * exists == 0.
|
|
|
1075 */
|
|
|
1076
|
|
|
1077 if (error == 0 || error == ENOENT)
|
|
|
1078 attr->error = 0;
|
|
|
1079 else
|
|
|
1080 attr->error = error;
|
|
|
1081
|
|
|
1082 attr->regular = (!ret && S_ISREG (statbuf.st_mode));
|
|
|
1083 attr->directory = (!ret && S_ISDIR (statbuf.st_mode));
|
|
|
1084
|
|
|
1085 if (!attr->regular)
|
|
|
1086 attr->file_length = 0;
|
|
|
1087 else
|
|
|
1088 /* st_size may be 32 bits, or 64 bits which is converted to long. We
|
|
|
1089 don't return a useful value for files larger than 2 gigabytes in
|
|
|
1090 either case. */
|
|
|
1091 attr->file_length = statbuf.st_size; /* all systems */
|
|
|
1092
|
|
|
1093 attr->exists = !ret;
|
|
|
1094
|
|
|
1095 #if !defined (_WIN32)
|
|
|
1096 /* on Windows requires extra system call, see __gnat_is_readable_file_attr */
|
|
|
1097 attr->readable = (!ret && (statbuf.st_mode & S_IRUSR));
|
|
|
1098 attr->writable = (!ret && (statbuf.st_mode & S_IWUSR));
|
|
|
1099 attr->executable = (!ret && (statbuf.st_mode & S_IXUSR));
|
|
|
1100 #endif
|
|
|
1101
|
|
|
1102 if (ret != 0) {
|
|
|
1103 attr->timestamp = (OS_Time)-1;
|
|
|
1104 } else {
|
|
|
1105 attr->timestamp = (OS_Time)statbuf.st_mtime;
|
|
|
1106 }
|
|
|
1107 }
|
|
|
1108
|
|
|
1109 /****************************************************************
|
|
|
1110 ** Return the number of bytes in the specified file
|
|
|
1111 ****************************************************************/
|
|
|
1112
|
|
|
1113 __int64
|
|
|
1114 __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr)
|
|
|
1115 {
|
|
|
1116 if (attr->file_length == -1) {
|
|
|
1117 __gnat_stat_to_attr (fd, name, attr);
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 return attr->file_length;
|
|
|
1121 }
|
|
|
1122
|
|
|
1123 __int64
|
|
|
1124 __gnat_file_length (int fd)
|
|
|
1125 {
|
|
|
1126 struct file_attributes attr;
|
|
|
1127 __gnat_reset_attributes (&attr);
|
|
|
1128 return __gnat_file_length_attr (fd, NULL, &attr);
|
|
|
1129 }
|
|
|
1130
|
|
|
1131 long
|
|
|
1132 __gnat_file_length_long (int fd)
|
|
|
1133 {
|
|
|
1134 struct file_attributes attr;
|
|
|
1135 __gnat_reset_attributes (&attr);
|
|
|
1136 return (long)__gnat_file_length_attr (fd, NULL, &attr);
|
|
|
1137 }
|
|
|
1138
|
|
|
1139 __int64
|
|
|
1140 __gnat_named_file_length (char *name)
|
|
|
1141 {
|
|
|
1142 struct file_attributes attr;
|
|
|
1143 __gnat_reset_attributes (&attr);
|
|
|
1144 return __gnat_file_length_attr (-1, name, &attr);
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 /* Create a temporary filename and put it in string pointed to by
|
|
|
1148 TMP_FILENAME. */
|
|
|
1149
|
|
|
1150 void
|
|
|
1151 __gnat_tmp_name (char *tmp_filename)
|
|
|
1152 {
|
|
|
1153 #if defined (__MINGW32__)
|
|
|
1154 {
|
|
|
1155 char *pname;
|
|
|
1156 char prefix[25];
|
|
|
1157
|
|
|
1158 /* tempnam tries to create a temporary file in directory pointed to by
|
|
|
1159 TMP environment variable, in c:\temp if TMP is not set, and in
|
|
|
1160 directory specified by P_tmpdir in stdio.h if c:\temp does not
|
|
|
1161 exist. The filename will be created with the prefix "gnat-". */
|
|
|
1162
|
|
|
1163 sprintf (prefix, "gnat-%d-", (int)getpid());
|
|
|
1164 pname = (char *) _tempnam ("c:\\temp", prefix);
|
|
|
1165
|
|
|
1166 /* if pname is NULL, the file was not created properly, the disk is full
|
|
|
1167 or there is no more free temporary files */
|
|
|
1168
|
|
|
1169 if (pname == NULL)
|
|
|
1170 *tmp_filename = '\0';
|
|
|
1171
|
|
|
1172 /* If pname start with a back slash and not path information it means that
|
|
|
1173 the filename is valid for the current working directory. */
|
|
|
1174
|
|
|
1175 else if (pname[0] == '\\')
|
|
|
1176 {
|
|
|
1177 strcpy (tmp_filename, ".\\");
|
|
|
1178 strcat (tmp_filename, pname+1);
|
|
|
1179 }
|
|
|
1180 else
|
|
|
1181 strcpy (tmp_filename, pname);
|
|
|
1182
|
|
|
1183 free (pname);
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 #elif defined (__linux__) || defined (__FreeBSD__) || defined (__NetBSD__) \
|
|
|
1187 || defined (__OpenBSD__) || defined (__GLIBC__) || defined (__ANDROID__) \
|
|
|
1188 || defined (__DragonFly__)
|
|
|
1189 #define MAX_SAFE_PATH 1000
|
|
|
1190 char *tmpdir = getenv ("TMPDIR");
|
|
|
1191
|
|
|
1192 /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid
|
|
|
1193 a buffer overflow. */
|
|
|
1194 if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH)
|
|
|
1195 #ifdef __ANDROID__
|
|
|
1196 strcpy (tmp_filename, "/cache/gnat-XXXXXX");
|
|
|
1197 #else
|
|
|
1198 strcpy (tmp_filename, "/tmp/gnat-XXXXXX");
|
|
|
1199 #endif
|
|
|
1200 else
|
|
|
1201 sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir);
|
|
|
1202
|
|
|
1203 close (mkstemp(tmp_filename));
|
|
|
1204 #elif defined (__vxworks) && !defined (VTHREADS)
|
|
|
1205 int index;
|
|
|
1206 char *pos;
|
|
|
1207 char *savepos;
|
|
|
1208 static ushort_t seed = 0; /* used to generate unique name */
|
|
|
1209
|
|
|
1210 /* Generate a unique name. */
|
|
|
1211 strcpy (tmp_filename, "tmp");
|
|
|
1212
|
|
|
1213 index = 5;
|
|
|
1214 savepos = pos = tmp_filename + strlen (tmp_filename) + index;
|
|
|
1215 *pos = '\0';
|
|
|
1216
|
|
|
1217 while (1)
|
|
|
1218 {
|
|
|
1219 FILE *f;
|
|
|
1220 ushort_t t;
|
|
|
1221
|
|
|
1222 /* Fill up the name buffer from the last position. */
|
|
|
1223 seed++;
|
|
|
1224 for (t = seed; 0 <= --index; t >>= 3)
|
|
|
1225 *--pos = '0' + (t & 07);
|
|
|
1226
|
|
|
1227 /* Check to see if its unique, if not bump the seed and try again. */
|
|
|
1228 f = fopen (tmp_filename, "r");
|
|
|
1229 if (f == NULL)
|
|
|
1230 break;
|
|
|
1231 fclose (f);
|
|
|
1232 pos = savepos;
|
|
|
1233 index = 5;
|
|
|
1234 }
|
|
|
1235 #else
|
|
|
1236 tmpnam (tmp_filename);
|
|
|
1237 #endif
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 /* Open directory and returns a DIR pointer. */
|
|
|
1241
|
|
|
1242 DIR* __gnat_opendir (char *name)
|
|
|
1243 {
|
|
|
1244 #if defined (__MINGW32__)
|
|
|
1245 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1246
|
|
|
1247 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1248 return (DIR*)_topendir (wname);
|
|
|
1249
|
|
|
1250 #else
|
|
|
1251 return opendir (name);
|
|
|
1252 #endif
|
|
|
1253 }
|
|
|
1254
|
|
|
1255 /* Read the next entry in a directory. The returned string points somewhere
|
|
|
1256 in the buffer. */
|
|
|
1257
|
|
|
1258 #if defined (__sun__)
|
|
|
1259 /* For Solaris, be sure to use the 64-bit version, otherwise NFS reads may
|
|
|
1260 fail with EOVERFLOW if the server uses 64-bit cookies. */
|
|
|
1261 #define dirent dirent64
|
|
|
1262 #define readdir readdir64
|
|
|
1263 #endif
|
|
|
1264
|
|
|
1265 char *
|
|
|
1266 __gnat_readdir (DIR *dirp, char *buffer, int *len)
|
|
|
1267 {
|
|
|
1268 #if defined (__MINGW32__)
|
|
|
1269 struct _tdirent *dirent = _treaddir ((_TDIR*)dirp);
|
|
|
1270
|
|
|
1271 if (dirent != NULL)
|
|
|
1272 {
|
|
|
1273 WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN);
|
|
|
1274 *len = strlen (buffer);
|
|
|
1275
|
|
|
1276 return buffer;
|
|
|
1277 }
|
|
|
1278 else
|
|
|
1279 return NULL;
|
|
|
1280
|
|
|
1281 #elif defined (HAVE_READDIR_R)
|
|
|
1282 /* If possible, try to use the thread-safe version. */
|
|
|
1283 if (readdir_r (dirp, buffer) != NULL)
|
|
|
1284 {
|
|
|
1285 *len = strlen (((struct dirent*) buffer)->d_name);
|
|
|
1286 return ((struct dirent*) buffer)->d_name;
|
|
|
1287 }
|
|
|
1288 else
|
|
|
1289 return NULL;
|
|
|
1290
|
|
|
1291 #else
|
|
|
1292 struct dirent *dirent = (struct dirent *) readdir (dirp);
|
|
|
1293
|
|
|
1294 if (dirent != NULL)
|
|
|
1295 {
|
|
|
1296 strcpy (buffer, dirent->d_name);
|
|
|
1297 *len = strlen (buffer);
|
|
|
1298 return buffer;
|
|
|
1299 }
|
|
|
1300 else
|
|
|
1301 return NULL;
|
|
|
1302
|
|
|
1303 #endif
|
|
|
1304 }
|
|
|
1305
|
|
|
1306 /* Close a directory entry. */
|
|
|
1307
|
|
|
1308 int __gnat_closedir (DIR *dirp)
|
|
|
1309 {
|
|
|
1310 #if defined (__MINGW32__)
|
|
|
1311 return _tclosedir ((_TDIR*)dirp);
|
|
|
1312
|
|
|
1313 #else
|
|
|
1314 return closedir (dirp);
|
|
|
1315 #endif
|
|
|
1316 }
|
|
|
1317
|
|
|
1318 /* Returns 1 if readdir is thread safe, 0 otherwise. */
|
|
|
1319
|
|
|
1320 int
|
|
|
1321 __gnat_readdir_is_thread_safe (void)
|
|
|
1322 {
|
|
|
1323 #ifdef HAVE_READDIR_R
|
|
|
1324 return 1;
|
|
|
1325 #else
|
|
|
1326 return 0;
|
|
|
1327 #endif
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 #if defined (_WIN32)
|
|
|
1331 /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
|
|
|
1332 static const unsigned long long w32_epoch_offset = 11644473600ULL;
|
|
|
1333
|
|
|
1334 /* Returns the file modification timestamp using Win32 routines which are
|
|
|
1335 immune against daylight saving time change. It is in fact not possible to
|
|
|
1336 use fstat for this purpose as the DST modify the st_mtime field of the
|
|
|
1337 stat structure. */
|
|
|
1338
|
|
|
1339 static time_t
|
|
|
1340 win32_filetime (HANDLE h)
|
|
|
1341 {
|
|
|
1342 union
|
|
|
1343 {
|
|
|
1344 FILETIME ft_time;
|
|
|
1345 unsigned long long ull_time;
|
|
|
1346 } t_write;
|
|
|
1347
|
|
|
1348 /* GetFileTime returns FILETIME data which are the number of 100 nanosecs
|
|
|
1349 since <Jan 1st 1601>. This function must return the number of seconds
|
|
|
1350 since <Jan 1st 1970>. */
|
|
|
1351
|
|
|
1352 if (GetFileTime (h, NULL, NULL, &t_write.ft_time))
|
|
|
1353 return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
|
|
1354 return (time_t) 0;
|
|
|
1355 }
|
|
|
1356
|
|
|
1357 /* As above but starting from a FILETIME. */
|
|
|
1358 static void
|
|
|
1359 f2t (const FILETIME *ft, __time64_t *t)
|
|
|
1360 {
|
|
|
1361 union
|
|
|
1362 {
|
|
|
1363 FILETIME ft_time;
|
|
|
1364 unsigned long long ull_time;
|
|
|
1365 } t_write;
|
|
|
1366
|
|
|
1367 t_write.ft_time = *ft;
|
|
|
1368 *t = (__time64_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
|
|
1369 }
|
|
|
1370 #endif
|
|
|
1371
|
|
|
1372 /* Return a GNAT time stamp given a file name. */
|
|
|
1373
|
|
|
1374 OS_Time
|
|
|
1375 __gnat_file_time_name_attr (char* name, struct file_attributes* attr)
|
|
|
1376 {
|
|
|
1377 if (attr->timestamp == (OS_Time)-2) {
|
|
|
1378 #if defined (_WIN32)
|
|
|
1379 BOOL res;
|
|
|
1380 WIN32_FILE_ATTRIBUTE_DATA fad;
|
|
|
1381 __time64_t ret = -1;
|
|
|
1382 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1383 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1384
|
|
|
1385 if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad)))
|
|
|
1386 f2t (&fad.ftLastWriteTime, &ret);
|
|
|
1387 attr->timestamp = (OS_Time) ret;
|
|
|
1388 #else
|
|
|
1389 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1390 #endif
|
|
|
1391 }
|
|
|
1392 return attr->timestamp;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 OS_Time
|
|
|
1396 __gnat_file_time_name (char *name)
|
|
|
1397 {
|
|
|
1398 struct file_attributes attr;
|
|
|
1399 __gnat_reset_attributes (&attr);
|
|
|
1400 return __gnat_file_time_name_attr (name, &attr);
|
|
|
1401 }
|
|
|
1402
|
|
|
1403 /* Return a GNAT time stamp given a file descriptor. */
|
|
|
1404
|
|
|
1405 OS_Time
|
|
|
1406 __gnat_file_time_fd_attr (int fd, struct file_attributes* attr)
|
|
|
1407 {
|
|
|
1408 if (attr->timestamp == (OS_Time)-2) {
|
|
|
1409 #if defined (_WIN32)
|
|
|
1410 HANDLE h = (HANDLE) _get_osfhandle (fd);
|
|
|
1411 time_t ret = win32_filetime (h);
|
|
|
1412 attr->timestamp = (OS_Time) ret;
|
|
|
1413
|
|
|
1414 #else
|
|
|
1415 __gnat_stat_to_attr (fd, NULL, attr);
|
|
|
1416 #endif
|
|
|
1417 }
|
|
|
1418
|
|
|
1419 return attr->timestamp;
|
|
|
1420 }
|
|
|
1421
|
|
|
1422 OS_Time
|
|
|
1423 __gnat_file_time_fd (int fd)
|
|
|
1424 {
|
|
|
1425 struct file_attributes attr;
|
|
|
1426 __gnat_reset_attributes (&attr);
|
|
|
1427 return __gnat_file_time_fd_attr (fd, &attr);
|
|
|
1428 }
|
|
|
1429
|
|
|
1430 /* Set the file time stamp. */
|
|
|
1431
|
|
|
1432 void
|
|
|
1433 __gnat_set_file_time_name (char *name, time_t time_stamp)
|
|
|
1434 {
|
|
|
1435 #if defined (__vxworks)
|
|
|
1436
|
|
|
1437 /* Code to implement __gnat_set_file_time_name for these systems. */
|
|
|
1438
|
|
|
1439 #elif defined (_WIN32)
|
|
|
1440 union
|
|
|
1441 {
|
|
|
1442 FILETIME ft_time;
|
|
|
1443 unsigned long long ull_time;
|
|
|
1444 } t_write;
|
|
|
1445 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1446
|
|
|
1447 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1448
|
|
|
1449 HANDLE h = CreateFile
|
|
|
1450 (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
|
|
|
1451 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
|
|
|
1452 NULL);
|
|
|
1453 if (h == INVALID_HANDLE_VALUE)
|
|
|
1454 return;
|
|
|
1455 /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */
|
|
|
1456 t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset);
|
|
|
1457 /* Convert to 100 nanosecond units */
|
|
|
1458 t_write.ull_time *= 10000000ULL;
|
|
|
1459
|
|
|
1460 SetFileTime(h, NULL, NULL, &t_write.ft_time);
|
|
|
1461 CloseHandle (h);
|
|
|
1462 return;
|
|
|
1463
|
|
|
1464 #else
|
|
|
1465 struct utimbuf utimbuf;
|
|
|
1466 time_t t;
|
|
|
1467
|
|
|
1468 /* Set modification time to requested time. */
|
|
|
1469 utimbuf.modtime = time_stamp;
|
|
|
1470
|
|
|
1471 /* Set access time to now in local time. */
|
|
|
1472 t = time ((time_t) 0);
|
|
|
1473 utimbuf.actime = mktime (localtime (&t));
|
|
|
1474
|
|
|
1475 utime (name, &utimbuf);
|
|
|
1476 #endif
|
|
|
1477 }
|
|
|
1478
|
|
|
1479 /* Get the list of installed standard libraries from the
|
|
|
1480 HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries
|
|
|
1481 key. */
|
|
|
1482
|
|
|
1483 char *
|
|
|
1484 __gnat_get_libraries_from_registry (void)
|
|
|
1485 {
|
|
|
1486 char *result = (char *) xmalloc (1);
|
|
|
1487
|
|
|
1488 result[0] = '\0';
|
|
|
1489
|
|
|
1490 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
1491
|
|
|
1492 HKEY reg_key;
|
|
|
1493 DWORD name_size, value_size;
|
|
|
1494 char name[256];
|
|
|
1495 char value[256];
|
|
|
1496 DWORD type;
|
|
|
1497 DWORD index;
|
|
|
1498 LONG res;
|
|
|
1499
|
|
|
1500 /* First open the key. */
|
|
|
1501 res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key);
|
|
|
1502
|
|
|
1503 if (res == ERROR_SUCCESS)
|
|
|
1504 res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0,
|
|
|
1505 KEY_READ, ®_key);
|
|
|
1506
|
|
|
1507 if (res == ERROR_SUCCESS)
|
|
|
1508 res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key);
|
|
|
1509
|
|
|
1510 if (res == ERROR_SUCCESS)
|
|
|
1511 res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key);
|
|
|
1512
|
|
|
1513 /* If the key exists, read out all the values in it and concatenate them
|
|
|
1514 into a path. */
|
|
|
1515 for (index = 0; res == ERROR_SUCCESS; index++)
|
|
|
1516 {
|
|
|
1517 value_size = name_size = 256;
|
|
|
1518 res = RegEnumValueA (reg_key, index, name, &name_size, 0,
|
|
|
1519 &type, (LPBYTE)value, &value_size);
|
|
|
1520
|
|
|
1521 if (res == ERROR_SUCCESS && type == REG_SZ)
|
|
|
1522 {
|
|
|
1523 char *old_result = result;
|
|
|
1524
|
|
|
1525 result = (char *) xmalloc (strlen (old_result) + value_size + 2);
|
|
|
1526 strcpy (result, old_result);
|
|
|
1527 strcat (result, value);
|
|
|
1528 strcat (result, ";");
|
|
|
1529 free (old_result);
|
|
|
1530 }
|
|
|
1531 }
|
|
|
1532
|
|
|
1533 /* Remove the trailing ";". */
|
|
|
1534 if (result[0] != 0)
|
|
|
1535 result[strlen (result) - 1] = 0;
|
|
|
1536
|
|
|
1537 #endif
|
|
|
1538 return result;
|
|
|
1539 }
|
|
|
1540
|
|
|
1541 /* Query information for the given file NAME and return it in STATBUF.
|
|
|
1542 * Returns 0 for success, or errno value for failure.
|
|
|
1543 */
|
|
|
1544 int
|
|
|
1545 __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf)
|
|
|
1546 {
|
|
|
1547 #ifdef __MINGW32__
|
|
|
1548 WIN32_FILE_ATTRIBUTE_DATA fad;
|
|
|
1549 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1550 int name_len;
|
|
|
1551 BOOL res;
|
|
|
1552 DWORD error;
|
|
|
1553
|
|
|
1554 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1555 name_len = _tcslen (wname);
|
|
|
1556
|
|
|
1557 if (name_len > GNAT_MAX_PATH_LEN)
|
|
|
1558 return EINVAL;
|
|
|
1559
|
|
|
1560 ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT));
|
|
|
1561
|
|
|
1562 res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad);
|
|
|
1563
|
|
|
1564 if (res == FALSE) {
|
|
|
1565 error = GetLastError();
|
|
|
1566
|
|
|
1567 /* Check file existence using GetFileAttributes() which does not fail on
|
|
|
1568 special Windows files like con:, aux:, nul: etc... */
|
|
|
1569
|
|
|
1570 if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) {
|
|
|
1571 /* Just pretend that it is a regular and readable file */
|
|
|
1572 statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE;
|
|
|
1573 return 0;
|
|
|
1574 }
|
|
|
1575
|
|
|
1576 switch (error) {
|
|
|
1577 case ERROR_ACCESS_DENIED:
|
|
|
1578 case ERROR_SHARING_VIOLATION:
|
|
|
1579 case ERROR_LOCK_VIOLATION:
|
|
|
1580 case ERROR_SHARING_BUFFER_EXCEEDED:
|
|
|
1581 return EACCES;
|
|
|
1582 case ERROR_BUFFER_OVERFLOW:
|
|
|
1583 return ENAMETOOLONG;
|
|
|
1584 case ERROR_NOT_ENOUGH_MEMORY:
|
|
|
1585 return ENOMEM;
|
|
|
1586 default:
|
|
|
1587 return ENOENT;
|
|
|
1588 }
|
|
|
1589 }
|
|
|
1590
|
|
|
1591 f2t (&fad.ftCreationTime, &statbuf->st_ctime);
|
|
|
1592 f2t (&fad.ftLastWriteTime, &statbuf->st_mtime);
|
|
|
1593 f2t (&fad.ftLastAccessTime, &statbuf->st_atime);
|
|
|
1594
|
|
|
1595 statbuf->st_size =
|
|
|
1596 (__int64)fad.nFileSizeLow | (__int64)fad.nFileSizeHigh << 32;
|
|
|
1597
|
|
|
1598 /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */
|
|
|
1599 statbuf->st_mode = S_IREAD;
|
|
|
1600
|
|
|
1601 if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
|
1602 statbuf->st_mode |= S_IFDIR;
|
|
|
1603 else
|
|
|
1604 statbuf->st_mode |= S_IFREG;
|
|
|
1605
|
|
|
1606 if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
|
|
|
1607 statbuf->st_mode |= S_IWRITE;
|
|
|
1608
|
|
|
1609 return 0;
|
|
|
1610
|
|
|
1611 #else
|
|
|
1612 return GNAT_STAT (name, statbuf) == 0 ? 0 : errno;
|
|
|
1613 #endif
|
|
|
1614 }
|
|
|
1615
|
|
|
1616 /*************************************************************************
|
|
|
1617 ** Check whether a file exists
|
|
|
1618 *************************************************************************/
|
|
|
1619
|
|
|
1620 int
|
|
|
1621 __gnat_file_exists_attr (char* name, struct file_attributes* attr)
|
|
|
1622 {
|
|
|
1623 if (attr->exists == ATTR_UNSET)
|
|
|
1624 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1625
|
|
|
1626 return attr->exists;
|
|
|
1627 }
|
|
|
1628
|
|
|
1629 int
|
|
|
1630 __gnat_file_exists (char *name)
|
|
|
1631 {
|
|
|
1632 struct file_attributes attr;
|
|
|
1633 __gnat_reset_attributes (&attr);
|
|
|
1634 return __gnat_file_exists_attr (name, &attr);
|
|
|
1635 }
|
|
|
1636
|
|
|
1637 /**********************************************************************
|
|
|
1638 ** Whether name is an absolute path
|
|
|
1639 **********************************************************************/
|
|
|
1640
|
|
|
1641 int
|
|
|
1642 __gnat_is_absolute_path (char *name, int length)
|
|
|
1643 {
|
|
|
1644 #ifdef __vxworks
|
|
|
1645 /* On VxWorks systems, an absolute path can be represented (depending on
|
|
|
1646 the host platform) as either /dir/file, or device:/dir/file, or
|
|
|
1647 device:drive_letter:/dir/file. */
|
|
|
1648
|
|
|
1649 int index;
|
|
|
1650
|
|
|
1651 if (name[0] == '/')
|
|
|
1652 return 1;
|
|
|
1653
|
|
|
1654 for (index = 0; index < length; index++)
|
|
|
1655 {
|
|
|
1656 if (name[index] == ':' &&
|
|
|
1657 ((name[index + 1] == '/') ||
|
|
|
1658 (isalpha (name[index + 1]) && index + 2 <= length &&
|
|
|
1659 name[index + 2] == '/')))
|
|
|
1660 return 1;
|
|
|
1661
|
|
|
1662 else if (name[index] == '/')
|
|
|
1663 return 0;
|
|
|
1664 }
|
|
|
1665 return 0;
|
|
|
1666 #else
|
|
|
1667 return (length != 0) &&
|
|
|
1668 (*name == '/' || *name == DIR_SEPARATOR
|
|
|
1669 #if defined (WINNT) || defined(__DJGPP__)
|
|
|
1670 || (length > 1 && ISALPHA (name[0]) && name[1] == ':')
|
|
|
1671 #endif
|
|
|
1672 );
|
|
|
1673 #endif
|
|
|
1674 }
|
|
|
1675
|
|
|
1676 int
|
|
|
1677 __gnat_is_regular_file_attr (char* name, struct file_attributes* attr)
|
|
|
1678 {
|
|
|
1679 if (attr->regular == ATTR_UNSET)
|
|
|
1680 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1681
|
|
|
1682 return attr->regular;
|
|
|
1683 }
|
|
|
1684
|
|
|
1685 int
|
|
|
1686 __gnat_is_regular_file (char *name)
|
|
|
1687 {
|
|
|
1688 struct file_attributes attr;
|
|
|
1689
|
|
|
1690 __gnat_reset_attributes (&attr);
|
|
|
1691 return __gnat_is_regular_file_attr (name, &attr);
|
|
|
1692 }
|
|
|
1693
|
|
|
1694 int
|
|
|
1695 __gnat_is_regular_file_fd (int fd)
|
|
|
1696 {
|
|
|
1697 int ret;
|
|
|
1698 GNAT_STRUCT_STAT statbuf;
|
|
|
1699
|
|
|
1700 ret = GNAT_FSTAT (fd, &statbuf);
|
|
|
1701 return (!ret && S_ISREG (statbuf.st_mode));
|
|
|
1702 }
|
|
|
1703
|
|
|
1704 int
|
|
|
1705 __gnat_is_directory_attr (char* name, struct file_attributes* attr)
|
|
|
1706 {
|
|
|
1707 if (attr->directory == ATTR_UNSET)
|
|
|
1708 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1709
|
|
|
1710 return attr->directory;
|
|
|
1711 }
|
|
|
1712
|
|
|
1713 int
|
|
|
1714 __gnat_is_directory (char *name)
|
|
|
1715 {
|
|
|
1716 struct file_attributes attr;
|
|
|
1717
|
|
|
1718 __gnat_reset_attributes (&attr);
|
|
|
1719 return __gnat_is_directory_attr (name, &attr);
|
|
|
1720 }
|
|
|
1721
|
|
|
1722 #if defined (_WIN32)
|
|
|
1723
|
|
|
1724 /* Returns the same constant as GetDriveType but takes a pathname as
|
|
|
1725 argument. */
|
|
|
1726
|
|
|
1727 static UINT
|
|
|
1728 GetDriveTypeFromPath (TCHAR *wfullpath)
|
|
|
1729 {
|
|
|
1730 TCHAR wdrv[MAX_PATH];
|
|
|
1731 TCHAR wpath[MAX_PATH];
|
|
|
1732 TCHAR wfilename[MAX_PATH];
|
|
|
1733 TCHAR wext[MAX_PATH];
|
|
|
1734
|
|
|
1735 _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext);
|
|
|
1736
|
|
|
1737 if (_tcslen (wdrv) != 0)
|
|
|
1738 {
|
|
|
1739 /* we have a drive specified. */
|
|
|
1740 _tcscat (wdrv, _T("\\"));
|
|
|
1741 return GetDriveType (wdrv);
|
|
|
1742 }
|
|
|
1743 else
|
|
|
1744 {
|
|
|
1745 /* No drive specified. */
|
|
|
1746
|
|
|
1747 /* Is this a relative path, if so get current drive type. */
|
|
|
1748 if (wpath[0] != _T('\\') ||
|
|
|
1749 (_tcslen (wpath) > 2 && wpath[0] == _T('\\')
|
|
|
1750 && wpath[1] != _T('\\')))
|
|
|
1751 return GetDriveType (NULL);
|
|
|
1752
|
|
|
1753 UINT result = GetDriveType (wpath);
|
|
|
1754
|
|
|
1755 /* Cannot guess the drive type, is this \\.\ ? */
|
|
|
1756
|
|
|
1757 if (result == DRIVE_NO_ROOT_DIR &&
|
|
|
1758 _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\')
|
|
|
1759 && wpath[2] == _T('.') && wpath[3] == _T('\\'))
|
|
|
1760 {
|
|
|
1761 if (_tcslen (wpath) == 4)
|
|
|
1762 _tcscat (wpath, wfilename);
|
|
|
1763
|
|
|
1764 LPTSTR p = &wpath[4];
|
|
|
1765 LPTSTR b = _tcschr (p, _T('\\'));
|
|
|
1766
|
|
|
1767 if (b != NULL)
|
|
|
1768 {
|
|
|
1769 /* logical drive \\.\c\dir\file */
|
|
|
1770 *b++ = _T(':');
|
|
|
1771 *b++ = _T('\\');
|
|
|
1772 *b = _T('\0');
|
|
|
1773 }
|
|
|
1774 else
|
|
|
1775 _tcscat (p, _T(":\\"));
|
|
|
1776
|
|
|
1777 return GetDriveType (p);
|
|
|
1778 }
|
|
|
1779
|
|
|
1780 return result;
|
|
|
1781 }
|
|
|
1782 }
|
|
|
1783
|
|
|
1784 /* This MingW section contains code to work with ACL. */
|
|
|
1785 static int
|
|
|
1786 __gnat_check_OWNER_ACL (TCHAR *wname,
|
|
|
1787 DWORD CheckAccessDesired,
|
|
|
1788 GENERIC_MAPPING CheckGenericMapping)
|
|
|
1789 {
|
|
|
1790 DWORD dwAccessDesired, dwAccessAllowed;
|
|
|
1791 PRIVILEGE_SET PrivilegeSet;
|
|
|
1792 DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET);
|
|
|
1793 BOOL fAccessGranted = FALSE;
|
|
|
1794 HANDLE hToken = NULL;
|
|
|
1795 DWORD nLength = 0;
|
|
|
1796 PSECURITY_DESCRIPTOR pSD = NULL;
|
|
|
1797
|
|
|
1798 GetFileSecurity
|
|
|
1799 (wname, OWNER_SECURITY_INFORMATION |
|
|
|
1800 GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
|
|
1801 NULL, 0, &nLength);
|
|
|
1802
|
|
|
1803 if ((pSD = (SECURITY_DESCRIPTOR *) HeapAlloc
|
|
|
1804 (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL)
|
|
|
1805 return 0;
|
|
|
1806
|
|
|
1807 /* Obtain the security descriptor. */
|
|
|
1808
|
|
|
1809 if (!GetFileSecurity
|
|
|
1810 (wname, OWNER_SECURITY_INFORMATION |
|
|
|
1811 GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
|
|
1812 pSD, nLength, &nLength))
|
|
|
1813 goto error;
|
|
|
1814
|
|
|
1815 if (!ImpersonateSelf (SecurityImpersonation))
|
|
|
1816 goto error;
|
|
|
1817
|
|
|
1818 if (!OpenThreadToken
|
|
|
1819 (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken))
|
|
|
1820 goto error;
|
|
|
1821
|
|
|
1822 /* Undoes the effect of ImpersonateSelf. */
|
|
|
1823
|
|
|
1824 RevertToSelf ();
|
|
|
1825
|
|
|
1826 /* We want to test for write permissions. */
|
|
|
1827
|
|
|
1828 dwAccessDesired = CheckAccessDesired;
|
|
|
1829
|
|
|
1830 MapGenericMask (&dwAccessDesired, &CheckGenericMapping);
|
|
|
1831
|
|
|
1832 if (!AccessCheck
|
|
|
1833 (pSD , /* security descriptor to check */
|
|
|
1834 hToken, /* impersonation token */
|
|
|
1835 dwAccessDesired, /* requested access rights */
|
|
|
1836 &CheckGenericMapping, /* pointer to GENERIC_MAPPING */
|
|
|
1837 &PrivilegeSet, /* receives privileges used in check */
|
|
|
1838 &dwPrivSetSize, /* size of PrivilegeSet buffer */
|
|
|
1839 &dwAccessAllowed, /* receives mask of allowed access rights */
|
|
|
1840 &fAccessGranted))
|
|
|
1841 goto error;
|
|
|
1842
|
|
|
1843 CloseHandle (hToken);
|
|
|
1844 HeapFree (GetProcessHeap (), 0, pSD);
|
|
|
1845 return fAccessGranted;
|
|
|
1846
|
|
|
1847 error:
|
|
|
1848 if (hToken)
|
|
|
1849 CloseHandle (hToken);
|
|
|
1850 HeapFree (GetProcessHeap (), 0, pSD);
|
|
|
1851 return 0;
|
|
|
1852 }
|
|
|
1853
|
|
|
1854 static void
|
|
|
1855 __gnat_set_OWNER_ACL (TCHAR *wname,
|
|
|
1856 ACCESS_MODE AccessMode,
|
|
|
1857 DWORD AccessPermissions)
|
|
|
1858 {
|
|
|
1859 PACL pOldDACL = NULL;
|
|
|
1860 PACL pNewDACL = NULL;
|
|
|
1861 PSECURITY_DESCRIPTOR pSD = NULL;
|
|
|
1862 EXPLICIT_ACCESS ea;
|
|
|
1863 TCHAR username [100];
|
|
|
1864 DWORD unsize = 100;
|
|
|
1865
|
|
|
1866 /* Get current user, he will act as the owner */
|
|
|
1867
|
|
|
1868 if (!GetUserName (username, &unsize))
|
|
|
1869 return;
|
|
|
1870
|
|
|
1871 if (GetNamedSecurityInfo
|
|
|
1872 (wname,
|
|
|
1873 SE_FILE_OBJECT,
|
|
|
1874 DACL_SECURITY_INFORMATION,
|
|
|
1875 NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS)
|
|
|
1876 return;
|
|
|
1877
|
|
|
1878 BuildExplicitAccessWithName
|
|
|
1879 (&ea, username, AccessPermissions, (ACCESS_MODE) AccessMode, NO_INHERITANCE);
|
|
|
1880
|
|
|
1881 if (AccessMode == SET_ACCESS)
|
|
|
1882 {
|
|
|
1883 /* SET_ACCESS, we want to set an explicte set of permissions, do not
|
|
|
1884 merge with current DACL. */
|
|
|
1885 if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS)
|
|
|
1886 return;
|
|
|
1887 }
|
|
|
1888 else
|
|
|
1889 if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS)
|
|
|
1890 return;
|
|
|
1891
|
|
|
1892 if (SetNamedSecurityInfo
|
|
|
1893 (wname, SE_FILE_OBJECT,
|
|
|
1894 DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS)
|
|
|
1895 return;
|
|
|
1896
|
|
|
1897 LocalFree (pSD);
|
|
|
1898 LocalFree (pNewDACL);
|
|
|
1899 }
|
|
|
1900
|
|
|
1901 /* Check if it is possible to use ACL for wname, the file must not be on a
|
|
|
1902 network drive. */
|
|
|
1903
|
|
|
1904 static int
|
|
|
1905 __gnat_can_use_acl (TCHAR *wname)
|
|
|
1906 {
|
|
|
1907 return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE;
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 #endif /* defined (_WIN32) */
|
|
|
1911
|
|
|
1912 int
|
|
|
1913 __gnat_is_readable_file_attr (char* name, struct file_attributes* attr)
|
|
|
1914 {
|
|
|
1915 if (attr->readable == ATTR_UNSET)
|
|
|
1916 {
|
|
|
1917 #if defined (_WIN32)
|
|
|
1918 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1919 GENERIC_MAPPING GenericMapping;
|
|
|
1920
|
|
|
1921 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1922
|
|
|
1923 if (__gnat_can_use_acl (wname))
|
|
|
1924 {
|
|
|
1925 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
1926 GenericMapping.GenericRead = GENERIC_READ;
|
|
|
1927 attr->readable =
|
|
|
1928 __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
|
|
|
1929 }
|
|
|
1930 else
|
|
|
1931 attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
|
|
|
1932 #else
|
|
|
1933 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1934 #endif
|
|
|
1935 }
|
|
|
1936
|
|
|
1937 return attr->readable;
|
|
|
1938 }
|
|
|
1939
|
|
|
1940 int
|
|
|
1941 __gnat_is_read_accessible_file (char *name)
|
|
|
1942 {
|
|
|
1943 #if defined (_WIN32)
|
|
|
1944 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1945
|
|
|
1946 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1947
|
|
|
1948 return !_waccess (wname, 4);
|
|
|
1949
|
|
|
1950 #elif defined (__vxworks)
|
|
|
1951 int fd;
|
|
|
1952
|
|
|
1953 if ((fd = open (name, O_RDONLY, 0)) < 0)
|
|
|
1954 return 0;
|
|
|
1955 close (fd);
|
|
|
1956 return 1;
|
|
|
1957
|
|
|
1958 #else
|
|
|
1959 return !access (name, R_OK);
|
|
|
1960 #endif
|
|
|
1961 }
|
|
|
1962
|
|
|
1963 int
|
|
|
1964 __gnat_is_readable_file (char *name)
|
|
|
1965 {
|
|
|
1966 struct file_attributes attr;
|
|
|
1967
|
|
|
1968 __gnat_reset_attributes (&attr);
|
|
|
1969 return __gnat_is_readable_file_attr (name, &attr);
|
|
|
1970 }
|
|
|
1971
|
|
|
1972 int
|
|
|
1973 __gnat_is_writable_file_attr (char* name, struct file_attributes* attr)
|
|
|
1974 {
|
|
|
1975 if (attr->writable == ATTR_UNSET)
|
|
|
1976 {
|
|
|
1977 #if defined (_WIN32)
|
|
|
1978 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1979 GENERIC_MAPPING GenericMapping;
|
|
|
1980
|
|
|
1981 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1982
|
|
|
1983 if (__gnat_can_use_acl (wname))
|
|
|
1984 {
|
|
|
1985 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
1986 GenericMapping.GenericWrite = GENERIC_WRITE;
|
|
|
1987
|
|
|
1988 attr->writable = __gnat_check_OWNER_ACL
|
|
|
1989 (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping)
|
|
|
1990 && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
|
|
1991 }
|
|
|
1992 else
|
|
|
1993 attr->writable =
|
|
|
1994 !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
|
|
1995
|
|
|
1996 #else
|
|
|
1997 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1998 #endif
|
|
|
1999 }
|
|
|
2000
|
|
|
2001 return attr->writable;
|
|
|
2002 }
|
|
|
2003
|
|
|
2004 int
|
|
|
2005 __gnat_is_writable_file (char *name)
|
|
|
2006 {
|
|
|
2007 struct file_attributes attr;
|
|
|
2008
|
|
|
2009 __gnat_reset_attributes (&attr);
|
|
|
2010 return __gnat_is_writable_file_attr (name, &attr);
|
|
|
2011 }
|
|
|
2012
|
|
|
2013 int
|
|
|
2014 __gnat_is_write_accessible_file (char *name)
|
|
|
2015 {
|
|
|
2016 #if defined (_WIN32)
|
|
|
2017 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2018
|
|
|
2019 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2020
|
|
|
2021 return !_waccess (wname, 2);
|
|
|
2022
|
|
|
2023 #elif defined (__vxworks)
|
|
|
2024 int fd;
|
|
|
2025
|
|
|
2026 if ((fd = open (name, O_WRONLY, 0)) < 0)
|
|
|
2027 return 0;
|
|
|
2028 close (fd);
|
|
|
2029 return 1;
|
|
|
2030
|
|
|
2031 #else
|
|
|
2032 return !access (name, W_OK);
|
|
|
2033 #endif
|
|
|
2034 }
|
|
|
2035
|
|
|
2036 int
|
|
|
2037 __gnat_is_executable_file_attr (char* name, struct file_attributes* attr)
|
|
|
2038 {
|
|
|
2039 if (attr->executable == ATTR_UNSET)
|
|
|
2040 {
|
|
|
2041 #if defined (_WIN32)
|
|
|
2042 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2043 GENERIC_MAPPING GenericMapping;
|
|
|
2044
|
|
|
2045 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2046
|
|
|
2047 if (__gnat_can_use_acl (wname))
|
|
|
2048 {
|
|
|
2049 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
2050 GenericMapping.GenericExecute = GENERIC_EXECUTE;
|
|
|
2051
|
|
|
2052 attr->executable =
|
|
|
2053 __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping);
|
|
|
2054 }
|
|
|
2055 else
|
|
|
2056 {
|
|
|
2057 TCHAR *l, *last = _tcsstr(wname, _T(".exe"));
|
|
|
2058
|
|
|
2059 /* look for last .exe */
|
|
|
2060 if (last)
|
|
|
2061 while ((l = _tcsstr(last+1, _T(".exe"))))
|
|
|
2062 last = l;
|
|
|
2063
|
|
|
2064 attr->executable =
|
|
|
2065 GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES
|
|
|
2066 && (last - wname) == (int) (_tcslen (wname) - 4);
|
|
|
2067 }
|
|
|
2068 #else
|
|
|
2069 __gnat_stat_to_attr (-1, name, attr);
|
|
|
2070 #endif
|
|
|
2071 }
|
|
|
2072
|
|
|
2073 return attr->regular && attr->executable;
|
|
|
2074 }
|
|
|
2075
|
|
|
2076 int
|
|
|
2077 __gnat_is_executable_file (char *name)
|
|
|
2078 {
|
|
|
2079 struct file_attributes attr;
|
|
|
2080
|
|
|
2081 __gnat_reset_attributes (&attr);
|
|
|
2082 return __gnat_is_executable_file_attr (name, &attr);
|
|
|
2083 }
|
|
|
2084
|
|
|
2085 void
|
|
|
2086 __gnat_set_writable (char *name)
|
|
|
2087 {
|
|
|
2088 #if defined (_WIN32)
|
|
|
2089 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2090
|
|
|
2091 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2092
|
|
|
2093 if (__gnat_can_use_acl (wname))
|
|
|
2094 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE);
|
|
|
2095
|
|
|
2096 SetFileAttributes
|
|
|
2097 (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY);
|
|
|
2098 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2099 GNAT_STRUCT_STAT statbuf;
|
|
|
2100
|
|
|
2101 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2102 {
|
|
|
2103 statbuf.st_mode = statbuf.st_mode | S_IWUSR;
|
|
|
2104 chmod (name, statbuf.st_mode);
|
|
|
2105 }
|
|
|
2106 #endif
|
|
|
2107 }
|
|
|
2108
|
|
|
2109 /* must match definition in s-os_lib.ads */
|
|
|
2110 #define S_OWNER 1
|
|
|
2111 #define S_GROUP 2
|
|
|
2112 #define S_OTHERS 4
|
|
|
2113
|
|
|
2114 void
|
|
|
2115 __gnat_set_executable (char *name, int mode ATTRIBUTE_UNUSED)
|
|
|
2116 {
|
|
|
2117 #if defined (_WIN32)
|
|
|
2118 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2119
|
|
|
2120 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2121
|
|
|
2122 if (__gnat_can_use_acl (wname))
|
|
|
2123 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
|
|
|
2124
|
|
|
2125 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2126 GNAT_STRUCT_STAT statbuf;
|
|
|
2127
|
|
|
2128 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2129 {
|
|
|
2130 if (mode & S_OWNER)
|
|
|
2131 statbuf.st_mode = statbuf.st_mode | S_IXUSR;
|
|
|
2132 if (mode & S_GROUP)
|
|
|
2133 statbuf.st_mode = statbuf.st_mode | S_IXGRP;
|
|
|
2134 if (mode & S_OTHERS)
|
|
|
2135 statbuf.st_mode = statbuf.st_mode | S_IXOTH;
|
|
|
2136 chmod (name, statbuf.st_mode);
|
|
|
2137 }
|
|
|
2138 #endif
|
|
|
2139 }
|
|
|
2140
|
|
|
2141 void
|
|
|
2142 __gnat_set_non_writable (char *name)
|
|
|
2143 {
|
|
|
2144 #if defined (_WIN32)
|
|
|
2145 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2146
|
|
|
2147 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2148
|
|
|
2149 if (__gnat_can_use_acl (wname))
|
|
|
2150 __gnat_set_OWNER_ACL
|
|
|
2151 (wname, DENY_ACCESS,
|
|
|
2152 FILE_WRITE_DATA | FILE_APPEND_DATA |
|
|
|
2153 FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES);
|
|
|
2154
|
|
|
2155 SetFileAttributes
|
|
|
2156 (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY);
|
|
|
2157 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2158 GNAT_STRUCT_STAT statbuf;
|
|
|
2159
|
|
|
2160 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2161 {
|
|
|
2162 statbuf.st_mode = statbuf.st_mode & 07577;
|
|
|
2163 chmod (name, statbuf.st_mode);
|
|
|
2164 }
|
|
|
2165 #endif
|
|
|
2166 }
|
|
|
2167
|
|
|
2168 void
|
|
|
2169 __gnat_set_readable (char *name)
|
|
|
2170 {
|
|
|
2171 #if defined (_WIN32)
|
|
|
2172 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2173
|
|
|
2174 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2175
|
|
|
2176 if (__gnat_can_use_acl (wname))
|
|
|
2177 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
|
|
|
2178
|
|
|
2179 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2180 GNAT_STRUCT_STAT statbuf;
|
|
|
2181
|
|
|
2182 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2183 {
|
|
|
2184 chmod (name, statbuf.st_mode | S_IREAD);
|
|
|
2185 }
|
|
|
2186 #endif
|
|
|
2187 }
|
|
|
2188
|
|
|
2189 void
|
|
|
2190 __gnat_set_non_readable (char *name)
|
|
|
2191 {
|
|
|
2192 #if defined (_WIN32)
|
|
|
2193 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2194
|
|
|
2195 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2196
|
|
|
2197 if (__gnat_can_use_acl (wname))
|
|
|
2198 __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
|
|
|
2199
|
|
|
2200 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2201 GNAT_STRUCT_STAT statbuf;
|
|
|
2202
|
|
|
2203 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2204 {
|
|
|
2205 chmod (name, statbuf.st_mode & (~S_IREAD));
|
|
|
2206 }
|
|
|
2207 #endif
|
|
|
2208 }
|
|
|
2209
|
|
|
2210 int
|
|
|
2211 __gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED,
|
|
|
2212 struct file_attributes* attr)
|
|
|
2213 {
|
|
|
2214 if (attr->symbolic_link == ATTR_UNSET)
|
|
|
2215 {
|
|
|
2216 #if defined (__vxworks)
|
|
|
2217 attr->symbolic_link = 0;
|
|
|
2218
|
|
|
2219 #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
|
|
|
2220 int ret;
|
|
|
2221 GNAT_STRUCT_STAT statbuf;
|
|
|
2222 ret = GNAT_LSTAT (name, &statbuf);
|
|
|
2223 attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode));
|
|
|
2224 #else
|
|
|
2225 attr->symbolic_link = 0;
|
|
|
2226 #endif
|
|
|
2227 }
|
|
|
2228 return attr->symbolic_link;
|
|
|
2229 }
|
|
|
2230
|
|
|
2231 int
|
|
|
2232 __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
|
|
|
2233 {
|
|
|
2234 struct file_attributes attr;
|
|
|
2235
|
|
|
2236 __gnat_reset_attributes (&attr);
|
|
|
2237 return __gnat_is_symbolic_link_attr (name, &attr);
|
|
|
2238 }
|
|
|
2239
|
|
|
2240 #if defined (__sun__)
|
|
|
2241 /* Using fork on Solaris will duplicate all the threads. fork1, which
|
|
|
2242 duplicates only the active thread, must be used instead, or spawning
|
|
|
2243 subprocess from a program with tasking will lead into numerous problems. */
|
|
|
2244 #define fork fork1
|
|
|
2245 #endif
|
|
|
2246
|
|
|
2247 int
|
|
|
2248 __gnat_portable_spawn (char *args[] ATTRIBUTE_UNUSED)
|
|
|
2249 {
|
|
|
2250 int status ATTRIBUTE_UNUSED = 0;
|
|
|
2251 int finished ATTRIBUTE_UNUSED;
|
|
|
2252 int pid ATTRIBUTE_UNUSED;
|
|
|
2253
|
|
|
2254 #if defined (__vxworks) || defined(__PikeOS__)
|
|
|
2255 return -1;
|
|
|
2256
|
|
|
2257 #elif defined (__DJGPP__) || defined (_WIN32)
|
|
|
2258 /* args[0] must be quotes as it could contain a full pathname with spaces */
|
|
|
2259 char *args_0 = args[0];
|
|
|
2260 args[0] = (char *)xmalloc (strlen (args_0) + 3);
|
|
|
2261 strcpy (args[0], "\"");
|
|
|
2262 strcat (args[0], args_0);
|
|
|
2263 strcat (args[0], "\"");
|
|
|
2264
|
|
|
2265 status = spawnvp (P_WAIT, args_0, (char ** const)args);
|
|
|
2266
|
|
|
2267 /* restore previous value */
|
|
|
2268 free (args[0]);
|
|
|
2269 args[0] = (char *)args_0;
|
|
|
2270
|
|
|
2271 if (status < 0)
|
|
|
2272 return -1;
|
|
|
2273 else
|
|
|
2274 return status;
|
|
|
2275
|
|
|
2276 #else
|
|
|
2277
|
|
|
2278 pid = fork ();
|
|
|
2279 if (pid < 0)
|
|
|
2280 return -1;
|
|
|
2281
|
|
|
2282 if (pid == 0)
|
|
|
2283 {
|
|
|
2284 /* The child. */
|
|
|
2285 if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
|
|
2286 _exit (1);
|
|
|
2287 }
|
|
|
2288
|
|
|
2289 /* The parent. */
|
|
|
2290 finished = waitpid (pid, &status, 0);
|
|
|
2291
|
|
|
2292 if (finished != pid || WIFEXITED (status) == 0)
|
|
|
2293 return -1;
|
|
|
2294
|
|
|
2295 return WEXITSTATUS (status);
|
|
|
2296 #endif
|
|
|
2297
|
|
|
2298 return 0;
|
|
|
2299 }
|
|
|
2300
|
|
|
2301 /* Create a copy of the given file descriptor.
|
|
|
2302 Return -1 if an error occurred. */
|
|
|
2303
|
|
|
2304 int
|
|
|
2305 __gnat_dup (int oldfd)
|
|
|
2306 {
|
|
|
2307 #if defined (__vxworks) && !defined (__RTP__)
|
|
|
2308 /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
|
|
2309 RTPs. */
|
|
|
2310 return -1;
|
|
|
2311 #else
|
|
|
2312 return dup (oldfd);
|
|
|
2313 #endif
|
|
|
2314 }
|
|
|
2315
|
|
|
2316 /* Make newfd be the copy of oldfd, closing newfd first if necessary.
|
|
|
2317 Return -1 if an error occurred. */
|
|
|
2318
|
|
|
2319 int
|
|
|
2320 __gnat_dup2 (int oldfd ATTRIBUTE_UNUSED, int newfd ATTRIBUTE_UNUSED)
|
|
|
2321 {
|
|
|
2322 #if defined (__vxworks) && !defined (__RTP__)
|
|
|
2323 /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
|
|
2324 RTPs. */
|
|
|
2325 return -1;
|
|
|
2326 #elif defined (__PikeOS__)
|
|
|
2327 /* Not supported. */
|
|
|
2328 return -1;
|
|
|
2329 #elif defined (_WIN32)
|
|
|
2330 /* Special case when oldfd and newfd are identical and are the standard
|
|
|
2331 input, output or error as this makes Windows XP hangs. Note that we
|
|
|
2332 do that only for standard file descriptors that are known to be valid. */
|
|
|
2333 if (oldfd == newfd && newfd >= 0 && newfd <= 2)
|
|
|
2334 return newfd;
|
|
|
2335 else
|
|
|
2336 return dup2 (oldfd, newfd);
|
|
|
2337 #else
|
|
|
2338 return dup2 (oldfd, newfd);
|
|
|
2339 #endif
|
|
|
2340 }
|
|
|
2341
|
|
|
2342 int
|
|
|
2343 __gnat_number_of_cpus (void)
|
|
|
2344 {
|
|
|
2345 int cores = 1;
|
|
|
2346
|
|
|
2347 #if defined (__linux__) || defined (__sun__) || defined (_AIX) \
|
|
|
2348 || defined (__APPLE__) || defined (__FreeBSD__) || defined (__OpenBSD__) \
|
|
|
2349 || defined (__DragonFly__) || defined (__NetBSD__)
|
|
|
2350 cores = (int) sysconf (_SC_NPROCESSORS_ONLN);
|
|
|
2351
|
|
|
2352 #elif defined (__hpux__)
|
|
|
2353 struct pst_dynamic psd;
|
|
|
2354 if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1)
|
|
|
2355 cores = (int) psd.psd_proc_cnt;
|
|
|
2356
|
|
|
2357 #elif defined (_WIN32)
|
|
|
2358 SYSTEM_INFO sysinfo;
|
|
|
2359 GetSystemInfo (&sysinfo);
|
|
|
2360 cores = (int) sysinfo.dwNumberOfProcessors;
|
|
|
2361
|
|
|
2362 #elif defined (_WRS_CONFIG_SMP)
|
|
|
2363 unsigned int vxCpuConfiguredGet (void);
|
|
|
2364
|
|
|
2365 cores = vxCpuConfiguredGet ();
|
|
|
2366
|
|
|
2367 #endif
|
|
|
2368
|
|
|
2369 return cores;
|
|
|
2370 }
|
|
|
2371
|
|
|
2372 /* WIN32 code to implement a wait call that wait for any child process. */
|
|
|
2373
|
|
|
2374 #if defined (_WIN32)
|
|
|
2375
|
|
|
2376 /* Synchronization code, to be thread safe. */
|
|
|
2377
|
|
|
2378 #ifdef CERT
|
|
|
2379
|
|
|
2380 /* For the Cert run times on native Windows we use dummy functions
|
|
|
2381 for locking and unlocking tasks since we do not support multiple
|
|
|
2382 threads on this configuration (Cert run time on native Windows). */
|
|
|
2383
|
|
|
2384 static void EnterCS (void) {}
|
|
|
2385 static void LeaveCS (void) {}
|
|
|
2386 static void SignalListChanged (void) {}
|
|
|
2387
|
|
|
2388 #else
|
|
|
2389
|
|
|
2390 CRITICAL_SECTION ProcListCS;
|
|
|
2391 HANDLE ProcListEvt = NULL;
|
|
|
2392
|
|
|
2393 static void EnterCS (void)
|
|
|
2394 {
|
|
|
2395 EnterCriticalSection(&ProcListCS);
|
|
|
2396 }
|
|
|
2397
|
|
|
2398 static void LeaveCS (void)
|
|
|
2399 {
|
|
|
2400 LeaveCriticalSection(&ProcListCS);
|
|
|
2401 }
|
|
|
2402
|
|
|
2403 static void SignalListChanged (void)
|
|
|
2404 {
|
|
|
2405 SetEvent (ProcListEvt);
|
|
|
2406 }
|
|
|
2407
|
|
|
2408 #endif
|
|
|
2409
|
|
|
2410 static HANDLE *HANDLES_LIST = NULL;
|
|
|
2411 static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0;
|
|
|
2412
|
|
|
2413 static void
|
|
|
2414 add_handle (HANDLE h, int pid)
|
|
|
2415 {
|
|
|
2416 /* -------------------- critical section -------------------- */
|
|
|
2417 EnterCS();
|
|
|
2418
|
|
|
2419 if (plist_length == plist_max_length)
|
|
|
2420 {
|
|
|
2421 plist_max_length += 100;
|
|
|
2422 HANDLES_LIST =
|
|
|
2423 (HANDLE *) xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length);
|
|
|
2424 PID_LIST =
|
|
|
2425 (int *) xrealloc (PID_LIST, sizeof (int) * plist_max_length);
|
|
|
2426 }
|
|
|
2427
|
|
|
2428 HANDLES_LIST[plist_length] = h;
|
|
|
2429 PID_LIST[plist_length] = pid;
|
|
|
2430 ++plist_length;
|
|
|
2431
|
|
|
2432 SignalListChanged();
|
|
|
2433 LeaveCS();
|
|
|
2434 /* -------------------- critical section -------------------- */
|
|
|
2435 }
|
|
|
2436
|
|
|
2437 int
|
|
|
2438 __gnat_win32_remove_handle (HANDLE h, int pid)
|
|
|
2439 {
|
|
|
2440 int j;
|
|
|
2441 int found = 0;
|
|
|
2442
|
|
|
2443 /* -------------------- critical section -------------------- */
|
|
|
2444 EnterCS();
|
|
|
2445
|
|
|
2446 for (j = 0; j < plist_length; j++)
|
|
|
2447 {
|
|
|
2448 if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid))
|
|
|
2449 {
|
|
|
2450 CloseHandle (h);
|
|
|
2451 --plist_length;
|
|
|
2452 HANDLES_LIST[j] = HANDLES_LIST[plist_length];
|
|
|
2453 PID_LIST[j] = PID_LIST[plist_length];
|
|
|
2454 found = 1;
|
|
|
2455 break;
|
|
|
2456 }
|
|
|
2457 }
|
|
|
2458
|
|
|
2459 LeaveCS();
|
|
|
2460 /* -------------------- critical section -------------------- */
|
|
|
2461
|
|
|
2462 if (found)
|
|
|
2463 SignalListChanged();
|
|
|
2464
|
|
|
2465 return found;
|
|
|
2466 }
|
|
|
2467
|
|
|
2468 static void
|
|
|
2469 win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid)
|
|
|
2470 {
|
|
|
2471 BOOL result;
|
|
|
2472 STARTUPINFO SI;
|
|
|
2473 PROCESS_INFORMATION PI;
|
|
|
2474 SECURITY_ATTRIBUTES SA;
|
|
|
2475 int csize = 1;
|
|
|
2476 char *full_command;
|
|
|
2477 int k;
|
|
|
2478
|
|
|
2479 /* compute the total command line length */
|
|
|
2480 k = 0;
|
|
|
2481 while (args[k])
|
|
|
2482 {
|
|
|
2483 csize += strlen (args[k]) + 1;
|
|
|
2484 k++;
|
|
|
2485 }
|
|
|
2486
|
|
|
2487 full_command = (char *) xmalloc (csize);
|
|
|
2488
|
|
|
2489 /* Startup info. */
|
|
|
2490 SI.cb = sizeof (STARTUPINFO);
|
|
|
2491 SI.lpReserved = NULL;
|
|
|
2492 SI.lpReserved2 = NULL;
|
|
|
2493 SI.lpDesktop = NULL;
|
|
|
2494 SI.cbReserved2 = 0;
|
|
|
2495 SI.lpTitle = NULL;
|
|
|
2496 SI.dwFlags = 0;
|
|
|
2497 SI.wShowWindow = SW_HIDE;
|
|
|
2498
|
|
|
2499 /* Security attributes. */
|
|
|
2500 SA.nLength = sizeof (SECURITY_ATTRIBUTES);
|
|
|
2501 SA.bInheritHandle = TRUE;
|
|
|
2502 SA.lpSecurityDescriptor = NULL;
|
|
|
2503
|
|
|
2504 /* Prepare the command string. */
|
|
|
2505 strcpy (full_command, command);
|
|
|
2506 strcat (full_command, " ");
|
|
|
2507
|
|
|
2508 k = 1;
|
|
|
2509 while (args[k])
|
|
|
2510 {
|
|
|
2511 strcat (full_command, args[k]);
|
|
|
2512 strcat (full_command, " ");
|
|
|
2513 k++;
|
|
|
2514 }
|
|
|
2515
|
|
|
2516 {
|
|
|
2517 int wsize = csize * 2;
|
|
|
2518 TCHAR *wcommand = (TCHAR *) xmalloc (wsize);
|
|
|
2519
|
|
|
2520 S2WSC (wcommand, full_command, wsize);
|
|
|
2521
|
|
|
2522 free (full_command);
|
|
|
2523
|
|
|
2524 result = CreateProcess
|
|
|
2525 (NULL, wcommand, &SA, NULL, TRUE,
|
|
|
2526 GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
|
|
|
2527
|
|
|
2528 free (wcommand);
|
|
|
2529 }
|
|
|
2530
|
|
|
2531 if (result == TRUE)
|
|
|
2532 {
|
|
|
2533 CloseHandle (PI.hThread);
|
|
|
2534 *h = PI.hProcess;
|
|
|
2535 *pid = PI.dwProcessId;
|
|
|
2536 }
|
|
|
2537 else
|
|
|
2538 {
|
|
|
2539 *h = NULL;
|
|
|
2540 *pid = 0;
|
|
|
2541 }
|
|
|
2542 }
|
|
|
2543
|
|
|
2544 static int
|
|
|
2545 win32_wait (int *status)
|
|
|
2546 {
|
|
|
2547 DWORD exitcode, pid;
|
|
|
2548 HANDLE *hl;
|
|
|
2549 HANDLE h;
|
|
|
2550 int *pidl;
|
|
|
2551 DWORD res;
|
|
|
2552 int hl_len;
|
|
|
2553 int found;
|
|
|
2554 int pos;
|
|
|
2555
|
|
|
2556 START_WAIT:
|
|
|
2557
|
|
|
2558 if (plist_length == 0)
|
|
|
2559 {
|
|
|
2560 errno = ECHILD;
|
|
|
2561 return -1;
|
|
|
2562 }
|
|
|
2563
|
|
|
2564 /* -------------------- critical section -------------------- */
|
|
|
2565 EnterCS();
|
|
|
2566
|
|
|
2567 /* ??? We can't wait for more than MAXIMUM_WAIT_OBJECTS due to a Win32
|
|
|
2568 limitation */
|
|
|
2569 if (plist_length < MAXIMUM_WAIT_OBJECTS)
|
|
|
2570 hl_len = plist_length;
|
|
|
2571 else
|
|
|
2572 {
|
|
|
2573 errno = EINVAL;
|
|
|
2574 return -1;
|
|
|
2575 }
|
|
|
2576
|
|
|
2577 #ifdef CERT
|
|
|
2578 hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len);
|
|
|
2579 memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len);
|
|
|
2580 pidl = (int *) xmalloc (sizeof (int) * hl_len);
|
|
|
2581 memmove (pidl, PID_LIST, sizeof (int) * hl_len);
|
|
|
2582 #else
|
|
|
2583 /* Note that index 0 contains the event handle that is signaled when the
|
|
|
2584 process list has changed */
|
|
|
2585 hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len + 1);
|
|
|
2586 hl[0] = ProcListEvt;
|
|
|
2587 memmove (&hl[1], HANDLES_LIST, sizeof (HANDLE) * hl_len);
|
|
|
2588 pidl = (int *) xmalloc (sizeof (int) * hl_len + 1);
|
|
|
2589 memmove (&pidl[1], PID_LIST, sizeof (int) * hl_len);
|
|
|
2590 hl_len++;
|
|
|
2591 #endif
|
|
|
2592
|
|
|
2593 LeaveCS();
|
|
|
2594 /* -------------------- critical section -------------------- */
|
|
|
2595
|
|
|
2596 res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE);
|
|
|
2597
|
|
|
2598 /* If there was an error, exit now */
|
|
|
2599 if (res == WAIT_FAILED)
|
|
|
2600 {
|
|
|
2601 errno = EINVAL;
|
|
|
2602 return -1;
|
|
|
2603 }
|
|
|
2604
|
|
|
2605 /* if the ProcListEvt has been signaled then the list of processes has been
|
|
|
2606 updated to add or remove a handle, just loop over */
|
|
|
2607
|
|
|
2608 if (res - WAIT_OBJECT_0 == 0)
|
|
|
2609 {
|
|
|
2610 free (hl);
|
|
|
2611 free (pidl);
|
|
|
2612 goto START_WAIT;
|
|
|
2613 }
|
|
|
2614
|
|
|
2615 /* Handle two distinct groups of return codes: finished waits and abandoned
|
|
|
2616 waits */
|
|
|
2617
|
|
|
2618 if (res < WAIT_ABANDONED_0)
|
|
|
2619 pos = res - WAIT_OBJECT_0;
|
|
|
2620 else
|
|
|
2621 pos = res - WAIT_ABANDONED_0;
|
|
|
2622
|
|
|
2623 h = hl[pos];
|
|
|
2624 GetExitCodeProcess (h, &exitcode);
|
|
|
2625 pid = pidl [pos];
|
|
|
2626
|
|
|
2627 found = __gnat_win32_remove_handle (h, -1);
|
|
|
2628
|
|
|
2629 free (hl);
|
|
|
2630 free (pidl);
|
|
|
2631
|
|
|
2632 /* if not found another process waiting has already handled this process */
|
|
|
2633
|
|
|
2634 if (!found)
|
|
|
2635 {
|
|
|
2636 goto START_WAIT;
|
|
|
2637 }
|
|
|
2638
|
|
|
2639 *status = (int) exitcode;
|
|
|
2640 return (int) pid;
|
|
|
2641 }
|
|
|
2642
|
|
|
2643 #endif
|
|
|
2644
|
|
|
2645 int
|
|
|
2646 __gnat_portable_no_block_spawn (char *args[] ATTRIBUTE_UNUSED)
|
|
|
2647 {
|
|
|
2648
|
|
|
2649 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2650 /* Not supported. */
|
|
|
2651 return -1;
|
|
|
2652
|
|
|
2653 #elif defined(__DJGPP__)
|
|
|
2654 if (spawnvp (P_WAIT, args[0], args) != 0)
|
|
|
2655 return -1;
|
|
|
2656 else
|
|
|
2657 return 0;
|
|
|
2658
|
|
|
2659 #elif defined (_WIN32)
|
|
|
2660
|
|
|
2661 HANDLE h = NULL;
|
|
|
2662 int pid;
|
|
|
2663
|
|
|
2664 win32_no_block_spawn (args[0], args, &h, &pid);
|
|
|
2665 if (h != NULL)
|
|
|
2666 {
|
|
|
2667 add_handle (h, pid);
|
|
|
2668 return pid;
|
|
|
2669 }
|
|
|
2670 else
|
|
|
2671 return -1;
|
|
|
2672
|
|
|
2673 #else
|
|
|
2674
|
|
|
2675 int pid = fork ();
|
|
|
2676
|
|
|
2677 if (pid == 0)
|
|
|
2678 {
|
|
|
2679 /* The child. */
|
|
|
2680 if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
|
|
2681 _exit (1);
|
|
|
2682 }
|
|
|
2683
|
|
|
2684 return pid;
|
|
|
2685
|
|
|
2686 #endif
|
|
|
2687 }
|
|
|
2688
|
|
|
2689 int
|
|
|
2690 __gnat_portable_wait (int *process_status)
|
|
|
2691 {
|
|
|
2692 int status = 0;
|
|
|
2693 int pid = 0;
|
|
|
2694
|
|
|
2695 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2696 /* Not sure what to do here, so do nothing but return zero. */
|
|
|
2697
|
|
|
2698 #elif defined (_WIN32)
|
|
|
2699
|
|
|
2700 pid = win32_wait (&status);
|
|
|
2701
|
|
|
2702 #elif defined (__DJGPP__)
|
|
|
2703 /* Child process has already ended in case of DJGPP.
|
|
|
2704 No need to do anything. Just return success. */
|
|
|
2705 #else
|
|
|
2706
|
|
|
2707 pid = waitpid (-1, &status, 0);
|
|
|
2708 status = status & 0xffff;
|
|
|
2709 #endif
|
|
|
2710
|
|
|
2711 *process_status = status;
|
|
|
2712 return pid;
|
|
|
2713 }
|
|
|
2714
|
|
|
2715 int
|
|
|
2716 __gnat_portable_no_block_wait (int *process_status)
|
|
|
2717 {
|
|
|
2718 int status = 0;
|
|
|
2719 int pid = 0;
|
|
|
2720
|
|
|
2721 #if defined (__vxworks) || defined (__PikeOS__) || defined (_WIN32)
|
|
|
2722 /* Not supported. */
|
|
|
2723 status = -1;
|
|
|
2724
|
|
|
2725 #else
|
|
|
2726
|
|
|
2727 pid = waitpid (-1, &status, WNOHANG);
|
|
|
2728 status = status & 0xffff;
|
|
|
2729 #endif
|
|
|
2730
|
|
|
2731 *process_status = status;
|
|
|
2732 return pid;
|
|
|
2733 }
|
|
|
2734
|
|
|
2735 void
|
|
|
2736 __gnat_os_exit (int status)
|
|
|
2737 {
|
|
|
2738 exit (status);
|
|
|
2739 }
|
|
|
2740
|
|
|
2741 int
|
|
|
2742 __gnat_current_process_id (void)
|
|
|
2743 {
|
|
|
2744 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2745 return -1;
|
|
|
2746
|
|
|
2747 #elif defined (_WIN32)
|
|
|
2748
|
|
|
2749 return (int)GetCurrentProcessId();
|
|
|
2750
|
|
|
2751 #else
|
|
|
2752
|
|
|
2753 return (int)getpid();
|
|
|
2754 #endif
|
|
|
2755 }
|
|
|
2756
|
|
|
2757 /* Locate file on path, that matches a predicate */
|
|
|
2758
|
|
|
2759 char *
|
|
|
2760 __gnat_locate_file_with_predicate (char *file_name, char *path_val,
|
|
|
2761 int (*predicate)(char *))
|
|
|
2762 {
|
|
|
2763 char *ptr;
|
|
|
2764 char *file_path = (char *) alloca (strlen (file_name) + 1);
|
|
|
2765 int absolute;
|
|
|
2766
|
|
|
2767 /* Return immediately if file_name is empty */
|
|
|
2768
|
|
|
2769 if (*file_name == '\0')
|
|
|
2770 return 0;
|
|
|
2771
|
|
|
2772 /* Remove quotes around file_name if present */
|
|
|
2773
|
|
|
2774 ptr = file_name;
|
|
|
2775 if (*ptr == '"')
|
|
|
2776 ptr++;
|
|
|
2777
|
|
|
2778 strcpy (file_path, ptr);
|
|
|
2779
|
|
|
2780 ptr = file_path + strlen (file_path) - 1;
|
|
|
2781
|
|
|
2782 if (*ptr == '"')
|
|
|
2783 *ptr = '\0';
|
|
|
2784
|
|
|
2785 /* Handle absolute pathnames. */
|
|
|
2786
|
|
|
2787 absolute = __gnat_is_absolute_path (file_path, strlen (file_name));
|
|
|
2788
|
|
|
2789 if (absolute)
|
|
|
2790 {
|
|
|
2791 if (predicate (file_path))
|
|
|
2792 return xstrdup (file_path);
|
|
|
2793
|
|
|
2794 return 0;
|
|
|
2795 }
|
|
|
2796
|
|
|
2797 /* If file_name include directory separator(s), try it first as
|
|
|
2798 a path name relative to the current directory */
|
|
|
2799 for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++)
|
|
|
2800 ;
|
|
|
2801
|
|
|
2802 if (*ptr != 0)
|
|
|
2803 {
|
|
|
2804 if (predicate (file_name))
|
|
|
2805 return xstrdup (file_name);
|
|
|
2806 }
|
|
|
2807
|
|
|
2808 if (path_val == 0)
|
|
|
2809 return 0;
|
|
|
2810
|
|
|
2811 {
|
|
|
2812 /* The result has to be smaller than path_val + file_name. */
|
|
|
2813 char *file_path =
|
|
|
2814 (char *) alloca (strlen (path_val) + strlen (file_name) + 2);
|
|
|
2815
|
|
|
2816 for (;;)
|
|
|
2817 {
|
|
|
2818 /* Skip the starting quote */
|
|
|
2819
|
|
|
2820 if (*path_val == '"')
|
|
|
2821 path_val++;
|
|
|
2822
|
|
|
2823 for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; )
|
|
|
2824 *ptr++ = *path_val++;
|
|
|
2825
|
|
|
2826 /* If directory is empty, it is the current directory*/
|
|
|
2827
|
|
|
2828 if (ptr == file_path)
|
|
|
2829 {
|
|
|
2830 *ptr = '.';
|
|
|
2831 }
|
|
|
2832 else
|
|
|
2833 ptr--;
|
|
|
2834
|
|
|
2835 /* Skip the ending quote */
|
|
|
2836
|
|
|
2837 if (*ptr == '"')
|
|
|
2838 ptr--;
|
|
|
2839
|
|
|
2840 if (*ptr != '/' && *ptr != DIR_SEPARATOR)
|
|
|
2841 *++ptr = DIR_SEPARATOR;
|
|
|
2842
|
|
|
2843 strcpy (++ptr, file_name);
|
|
|
2844
|
|
|
2845 if (predicate (file_path))
|
|
|
2846 return xstrdup (file_path);
|
|
|
2847
|
|
|
2848 if (*path_val == 0)
|
|
|
2849 return 0;
|
|
|
2850
|
|
|
2851 /* Skip path separator */
|
|
|
2852
|
|
|
2853 path_val++;
|
|
|
2854 }
|
|
|
2855 }
|
|
|
2856
|
|
|
2857 return 0;
|
|
|
2858 }
|
|
|
2859
|
|
|
2860 /* Locate an executable file, give a Path value. */
|
|
|
2861
|
|
|
2862 char *
|
|
|
2863 __gnat_locate_executable_file (char *file_name, char *path_val)
|
|
|
2864 {
|
|
|
2865 return __gnat_locate_file_with_predicate
|
|
|
2866 (file_name, path_val, &__gnat_is_executable_file);
|
|
|
2867 }
|
|
|
2868
|
|
|
2869 /* Locate a regular file, give a Path value. */
|
|
|
2870
|
|
|
2871 char *
|
|
|
2872 __gnat_locate_regular_file (char *file_name, char *path_val)
|
|
|
2873 {
|
|
|
2874 return __gnat_locate_file_with_predicate
|
|
|
2875 (file_name, path_val, &__gnat_is_regular_file);
|
|
|
2876 }
|
|
|
2877
|
|
|
2878 /* Locate an executable given a Path argument. This routine is only used by
|
|
|
2879 gnatbl and should not be used otherwise. Use locate_exec_on_path
|
|
|
2880 instead. */
|
|
|
2881
|
|
|
2882 char *
|
|
|
2883 __gnat_locate_exec (char *exec_name, char *path_val)
|
|
|
2884 {
|
|
|
2885 char *ptr;
|
|
|
2886 if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
|
|
|
2887 {
|
|
|
2888 char *full_exec_name =
|
|
|
2889 (char *) alloca
|
|
|
2890 (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1);
|
|
|
2891
|
|
|
2892 strcpy (full_exec_name, exec_name);
|
|
|
2893 strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX);
|
|
|
2894 ptr = __gnat_locate_executable_file (full_exec_name, path_val);
|
|
|
2895
|
|
|
2896 if (ptr == 0)
|
|
|
2897 return __gnat_locate_executable_file (exec_name, path_val);
|
|
|
2898 return ptr;
|
|
|
2899 }
|
|
|
2900 else
|
|
|
2901 return __gnat_locate_executable_file (exec_name, path_val);
|
|
|
2902 }
|
|
|
2903
|
|
|
2904 /* Locate an executable using the Systems default PATH. */
|
|
|
2905
|
|
|
2906 char *
|
|
|
2907 __gnat_locate_exec_on_path (char *exec_name)
|
|
|
2908 {
|
|
|
2909 char *apath_val;
|
|
|
2910
|
|
|
2911 #if defined (_WIN32)
|
|
|
2912 TCHAR *wpath_val = _tgetenv (_T("PATH"));
|
|
|
2913 TCHAR *wapath_val;
|
|
|
2914 /* In Win32 systems we expand the PATH as for XP environment
|
|
|
2915 variables are not automatically expanded. We also prepend the
|
|
|
2916 ".;" to the path to match normal NT path search semantics */
|
|
|
2917
|
|
|
2918 #define EXPAND_BUFFER_SIZE 32767
|
|
|
2919
|
|
|
2920 wapath_val = (TCHAR *) alloca (EXPAND_BUFFER_SIZE);
|
|
|
2921
|
|
|
2922 wapath_val [0] = '.';
|
|
|
2923 wapath_val [1] = ';';
|
|
|
2924
|
|
|
2925 DWORD res = ExpandEnvironmentStrings
|
|
|
2926 (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2);
|
|
|
2927
|
|
|
2928 if (!res) wapath_val [0] = _T('\0');
|
|
|
2929
|
|
|
2930 apath_val = (char *) alloca (EXPAND_BUFFER_SIZE);
|
|
|
2931
|
|
|
2932 WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE);
|
|
|
2933
|
|
|
2934 #else
|
|
|
2935 const char *path_val = getenv ("PATH");
|
|
|
2936
|
|
|
2937 /* If PATH is not defined, proceed with __gnat_locate_exec anyway, so we can
|
|
|
2938 find files that contain directory names. */
|
|
|
2939
|
|
|
2940 if (path_val == NULL) path_val = "";
|
|
|
2941 apath_val = (char *) alloca (strlen (path_val) + 1);
|
|
|
2942 strcpy (apath_val, path_val);
|
|
|
2943 #endif
|
|
|
2944
|
|
|
2945 return __gnat_locate_exec (exec_name, apath_val);
|
|
|
2946 }
|
|
|
2947
|
|
|
2948 /* Dummy functions for Osint import for non-VMS systems.
|
|
|
2949 ??? To be removed. */
|
|
|
2950
|
|
|
2951 int
|
|
|
2952 __gnat_to_canonical_file_list_init (char *dirspec ATTRIBUTE_UNUSED,
|
|
|
2953 int onlydirs ATTRIBUTE_UNUSED)
|
|
|
2954 {
|
|
|
2955 return 0;
|
|
|
2956 }
|
|
|
2957
|
|
|
2958 char *
|
|
|
2959 __gnat_to_canonical_file_list_next (void)
|
|
|
2960 {
|
|
|
2961 static char empty[] = "";
|
|
|
2962 return empty;
|
|
|
2963 }
|
|
|
2964
|
|
|
2965 void
|
|
|
2966 __gnat_to_canonical_file_list_free (void)
|
|
|
2967 {
|
|
|
2968 }
|
|
|
2969
|
|
|
2970 char *
|
|
|
2971 __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
|
|
2972 {
|
|
|
2973 return dirspec;
|
|
|
2974 }
|
|
|
2975
|
|
|
2976 char *
|
|
|
2977 __gnat_to_canonical_file_spec (char *filespec)
|
|
|
2978 {
|
|
|
2979 return filespec;
|
|
|
2980 }
|
|
|
2981
|
|
|
2982 char *
|
|
|
2983 __gnat_to_canonical_path_spec (char *pathspec)
|
|
|
2984 {
|
|
|
2985 return pathspec;
|
|
|
2986 }
|
|
|
2987
|
|
|
2988 char *
|
|
|
2989 __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
|
|
2990 {
|
|
|
2991 return dirspec;
|
|
|
2992 }
|
|
|
2993
|
|
|
2994 char *
|
|
|
2995 __gnat_to_host_file_spec (char *filespec)
|
|
|
2996 {
|
|
|
2997 return filespec;
|
|
|
2998 }
|
|
|
2999
|
|
|
3000 void
|
|
|
3001 __gnat_adjust_os_resource_limits (void)
|
|
|
3002 {
|
|
|
3003 }
|
|
|
3004
|
|
|
3005 #if defined (__mips_vxworks)
|
|
|
3006 int
|
|
|
3007 _flush_cache (void)
|
|
|
3008 {
|
|
|
3009 CACHE_USER_FLUSH (0, ENTIRE_CACHE);
|
|
|
3010 }
|
|
|
3011 #endif
|
|
|
3012
|
|
|
3013 #if defined (_WIN32)
|
|
|
3014 int __gnat_argument_needs_quote = 1;
|
|
|
3015 #else
|
|
|
3016 int __gnat_argument_needs_quote = 0;
|
|
|
3017 #endif
|
|
|
3018
|
|
|
3019 /* This option is used to enable/disable object files handling from the
|
|
|
3020 binder file by the GNAT Project module. For example, this is disabled on
|
|
|
3021 Windows (prior to GCC 3.4) as it is already done by the mdll module.
|
|
|
3022 Stating with GCC 3.4 the shared libraries are not based on mdll
|
|
|
3023 anymore as it uses the GCC's -shared option */
|
|
|
3024 #if defined (_WIN32) \
|
|
|
3025 && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4)))
|
|
|
3026 int __gnat_prj_add_obj_files = 0;
|
|
|
3027 #else
|
|
|
3028 int __gnat_prj_add_obj_files = 1;
|
|
|
3029 #endif
|
|
|
3030
|
|
|
3031 /* char used as prefix/suffix for environment variables */
|
|
|
3032 #if defined (_WIN32)
|
|
|
3033 char __gnat_environment_char = '%';
|
|
|
3034 #else
|
|
|
3035 char __gnat_environment_char = '$';
|
|
|
3036 #endif
|
|
|
3037
|
|
|
3038 /* This functions copy the file attributes from a source file to a
|
|
|
3039 destination file.
|
|
|
3040
|
|
|
3041 mode = 0 : In this mode copy only the file time stamps (last access and
|
|
|
3042 last modification time stamps).
|
|
|
3043
|
|
|
3044 mode = 1 : In this mode, time stamps and read/write/execute attributes are
|
|
|
3045 copied.
|
|
|
3046
|
|
|
3047 mode = 2 : In this mode, only read/write/execute attributes are copied
|
|
|
3048
|
|
|
3049 Returns 0 if operation was successful and -1 in case of error. */
|
|
|
3050
|
|
|
3051 int
|
|
|
3052 __gnat_copy_attribs (char *from ATTRIBUTE_UNUSED, char *to ATTRIBUTE_UNUSED,
|
|
|
3053 int mode ATTRIBUTE_UNUSED)
|
|
|
3054 {
|
|
|
3055 #if (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
3056 return -1;
|
|
|
3057
|
|
|
3058 #elif defined (_WIN32)
|
|
|
3059 TCHAR wfrom [GNAT_MAX_PATH_LEN + 2];
|
|
|
3060 TCHAR wto [GNAT_MAX_PATH_LEN + 2];
|
|
|
3061 BOOL res;
|
|
|
3062 FILETIME fct, flat, flwt;
|
|
|
3063 HANDLE hfrom, hto;
|
|
|
3064
|
|
|
3065 S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2);
|
|
|
3066 S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2);
|
|
|
3067
|
|
|
3068 /* Do we need to copy the timestamp ? */
|
|
|
3069
|
|
|
3070 if (mode != 2) {
|
|
|
3071 /* retrieve from times */
|
|
|
3072
|
|
|
3073 hfrom = CreateFile
|
|
|
3074 (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING,
|
|
|
3075 FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
3076
|
|
|
3077 if (hfrom == INVALID_HANDLE_VALUE)
|
|
|
3078 return -1;
|
|
|
3079
|
|
|
3080 res = GetFileTime (hfrom, &fct, &flat, &flwt);
|
|
|
3081
|
|
|
3082 CloseHandle (hfrom);
|
|
|
3083
|
|
|
3084 if (res == 0)
|
|
|
3085 return -1;
|
|
|
3086
|
|
|
3087 /* retrieve from times */
|
|
|
3088
|
|
|
3089 hto = CreateFile
|
|
|
3090 (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
|
|
|
3091 FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
3092
|
|
|
3093 if (hto == INVALID_HANDLE_VALUE)
|
|
|
3094 return -1;
|
|
|
3095
|
|
|
3096 res = SetFileTime (hto, NULL, &flat, &flwt);
|
|
|
3097
|
|
|
3098 CloseHandle (hto);
|
|
|
3099
|
|
|
3100 if (res == 0)
|
|
|
3101 return -1;
|
|
|
3102 }
|
|
|
3103
|
|
|
3104 /* Do we need to copy the permissions ? */
|
|
|
3105 /* Set file attributes in full mode. */
|
|
|
3106
|
|
|
3107 if (mode != 0)
|
|
|
3108 {
|
|
|
3109 DWORD attribs = GetFileAttributes (wfrom);
|
|
|
3110
|
|
|
3111 if (attribs == INVALID_FILE_ATTRIBUTES)
|
|
|
3112 return -1;
|
|
|
3113
|
|
|
3114 res = SetFileAttributes (wto, attribs);
|
|
|
3115 if (res == 0)
|
|
|
3116 return -1;
|
|
|
3117 }
|
|
|
3118
|
|
|
3119 return 0;
|
|
|
3120
|
|
|
3121 #else
|
|
|
3122 GNAT_STRUCT_STAT fbuf;
|
|
|
3123 struct utimbuf tbuf;
|
|
|
3124
|
|
|
3125 if (GNAT_STAT (from, &fbuf) == -1) {
|
|
|
3126 return -1;
|
|
|
3127 }
|
|
|
3128
|
|
|
3129 /* Do we need to copy timestamp ? */
|
|
|
3130 if (mode != 2) {
|
|
|
3131 tbuf.actime = fbuf.st_atime;
|
|
|
3132 tbuf.modtime = fbuf.st_mtime;
|
|
|
3133
|
|
|
3134 if (utime (to, &tbuf) == -1) {
|
|
|
3135 return -1;
|
|
|
3136 }
|
|
|
3137 }
|
|
|
3138
|
|
|
3139 /* Do we need to copy file permissions ? */
|
|
|
3140 if (mode != 0 && (chmod (to, fbuf.st_mode) == -1)) {
|
|
|
3141 return -1;
|
|
|
3142 }
|
|
|
3143
|
|
|
3144 return 0;
|
|
|
3145 #endif
|
|
|
3146 }
|
|
|
3147
|
|
|
3148 int
|
|
|
3149 __gnat_lseek (int fd, long offset, int whence)
|
|
|
3150 {
|
|
|
3151 return (int) lseek (fd, offset, whence);
|
|
|
3152 }
|
|
|
3153
|
|
|
3154 /* This function returns the major version number of GCC being used. */
|
|
|
3155 int
|
|
|
3156 get_gcc_version (void)
|
|
|
3157 {
|
|
|
3158 #ifdef IN_RTS
|
|
|
3159 return __GNUC__;
|
|
|
3160 #else
|
|
|
3161 return (int) (version_string[0] - '0');
|
|
|
3162 #endif
|
|
|
3163 }
|
|
|
3164
|
|
|
3165 /*
|
|
|
3166 * Set Close_On_Exec as indicated.
|
|
|
3167 * Note: this is used for both GNAT.OS_Lib and GNAT.Sockets.
|
|
|
3168 */
|
|
|
3169
|
|
|
3170 int
|
|
|
3171 __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED,
|
|
|
3172 int close_on_exec_p ATTRIBUTE_UNUSED)
|
|
|
3173 {
|
|
|
3174 #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks)
|
|
|
3175 int flags = fcntl (fd, F_GETFD, 0);
|
|
|
3176 if (flags < 0)
|
|
|
3177 return flags;
|
|
|
3178 if (close_on_exec_p)
|
|
|
3179 flags |= FD_CLOEXEC;
|
|
|
3180 else
|
|
|
3181 flags &= ~FD_CLOEXEC;
|
|
|
3182 return fcntl (fd, F_SETFD, flags);
|
|
|
3183 #elif defined(_WIN32)
|
|
|
3184 HANDLE h = (HANDLE) _get_osfhandle (fd);
|
|
|
3185 if (h == (HANDLE) -1)
|
|
|
3186 return -1;
|
|
|
3187 if (close_on_exec_p)
|
|
|
3188 return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0);
|
|
|
3189 return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
|
|
|
3190 HANDLE_FLAG_INHERIT);
|
|
|
3191 #else
|
|
|
3192 /* TODO: Unimplemented. */
|
|
|
3193 return -1;
|
|
|
3194 #endif
|
|
|
3195 }
|
|
|
3196
|
|
|
3197 /* Indicates if platforms supports automatic initialization through the
|
|
|
3198 constructor mechanism */
|
|
|
3199 int
|
|
|
3200 __gnat_binder_supports_auto_init (void)
|
|
|
3201 {
|
|
|
3202 return 1;
|
|
|
3203 }
|
|
|
3204
|
|
|
3205 /* Indicates that Stand-Alone Libraries are automatically initialized through
|
|
|
3206 the constructor mechanism */
|
|
|
3207 int
|
|
|
3208 __gnat_sals_init_using_constructors (void)
|
|
|
3209 {
|
|
|
3210 #if defined (__vxworks) || defined (__Lynx__)
|
|
|
3211 return 0;
|
|
|
3212 #else
|
|
|
3213 return 1;
|
|
|
3214 #endif
|
|
|
3215 }
|
|
|
3216
|
|
|
3217 #if defined (__linux__) || defined (__ANDROID__)
|
|
|
3218 /* There is no function in the glibc to retrieve the LWP of the current
|
|
|
3219 thread. We need to do a system call in order to retrieve this
|
|
|
3220 information. */
|
|
|
3221 #include <sys/syscall.h>
|
|
|
3222 void *
|
|
|
3223 __gnat_lwp_self (void)
|
|
|
3224 {
|
|
|
3225 return (void *) syscall (__NR_gettid);
|
|
|
3226 }
|
|
|
3227 #endif
|
|
|
3228
|
|
|
3229 #if defined (__APPLE__)
|
|
|
3230 #include <mach/thread_info.h>
|
|
|
3231 #include <mach/mach_init.h>
|
|
|
3232 #include <mach/thread_act.h>
|
|
|
3233
|
|
|
3234 /* System-wide thread identifier. Note it could be truncated on 32 bit
|
|
|
3235 hosts.
|
|
|
3236 Previously was: pthread_mach_thread_np (pthread_self ()). */
|
|
|
3237 void *
|
|
|
3238 __gnat_lwp_self (void)
|
|
|
3239 {
|
|
|
3240 thread_identifier_info_data_t data;
|
|
|
3241 mach_msg_type_number_t count = THREAD_IDENTIFIER_INFO_COUNT;
|
|
|
3242 kern_return_t kret;
|
|
|
3243
|
|
|
3244 kret = thread_info (mach_thread_self (), THREAD_IDENTIFIER_INFO,
|
|
|
3245 (thread_info_t) &data, &count);
|
|
|
3246 if (kret == KERN_SUCCESS)
|
|
|
3247 return (void *)(uintptr_t)data.thread_id;
|
|
|
3248 else
|
|
|
3249 return 0;
|
|
|
3250 }
|
|
|
3251 #endif
|
|
|
3252
|
|
|
3253 #if defined (__linux__)
|
|
|
3254 #include <sched.h>
|
|
|
3255
|
|
|
3256 /* glibc versions earlier than 2.7 do not define the routines to handle
|
|
|
3257 dynamically allocated CPU sets. For these targets, we use the static
|
|
|
3258 versions. */
|
|
|
3259
|
|
|
3260 #ifdef CPU_ALLOC
|
|
|
3261
|
|
|
3262 /* Dynamic cpu sets */
|
|
|
3263
|
|
|
3264 cpu_set_t *
|
|
|
3265 __gnat_cpu_alloc (size_t count)
|
|
|
3266 {
|
|
|
3267 return CPU_ALLOC (count);
|
|
|
3268 }
|
|
|
3269
|
|
|
3270 size_t
|
|
|
3271 __gnat_cpu_alloc_size (size_t count)
|
|
|
3272 {
|
|
|
3273 return CPU_ALLOC_SIZE (count);
|
|
|
3274 }
|
|
|
3275
|
|
|
3276 void
|
|
|
3277 __gnat_cpu_free (cpu_set_t *set)
|
|
|
3278 {
|
|
|
3279 CPU_FREE (set);
|
|
|
3280 }
|
|
|
3281
|
|
|
3282 void
|
|
|
3283 __gnat_cpu_zero (size_t count, cpu_set_t *set)
|
|
|
3284 {
|
|
|
3285 CPU_ZERO_S (count, set);
|
|
|
3286 }
|
|
|
3287
|
|
|
3288 void
|
|
|
3289 __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
|
|
|
3290 {
|
|
|
3291 /* Ada handles CPU numbers starting from 1, while C identifies the first
|
|
|
3292 CPU by a 0, so we need to adjust. */
|
|
|
3293 CPU_SET_S (cpu - 1, count, set);
|
|
|
3294 }
|
|
|
3295
|
|
|
3296 #else /* !CPU_ALLOC */
|
|
|
3297
|
|
|
3298 /* Static cpu sets */
|
|
|
3299
|
|
|
3300 cpu_set_t *
|
|
|
3301 __gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
|
|
|
3302 {
|
|
|
3303 return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
|
|
|
3304 }
|
|
|
3305
|
|
|
3306 size_t
|
|
|
3307 __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
|
|
|
3308 {
|
|
|
3309 return sizeof (cpu_set_t);
|
|
|
3310 }
|
|
|
3311
|
|
|
3312 void
|
|
|
3313 __gnat_cpu_free (cpu_set_t *set)
|
|
|
3314 {
|
|
|
3315 free (set);
|
|
|
3316 }
|
|
|
3317
|
|
|
3318 void
|
|
|
3319 __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
|
|
3320 {
|
|
|
3321 CPU_ZERO (set);
|
|
|
3322 }
|
|
|
3323
|
|
|
3324 void
|
|
|
3325 __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
|
|
3326 {
|
|
|
3327 /* Ada handles CPU numbers starting from 1, while C identifies the first
|
|
|
3328 CPU by a 0, so we need to adjust. */
|
|
|
3329 CPU_SET (cpu - 1, set);
|
|
|
3330 }
|
|
|
3331 #endif /* !CPU_ALLOC */
|
|
|
3332 #endif /* __linux__ */
|
|
|
3333
|
|
|
3334 /* Return the load address of the executable, or 0 if not known. In the
|
|
|
3335 specific case of error, (void *)-1 can be returned. Beware: this unit may
|
|
|
3336 be in a shared library. As low-level units are needed, we allow #include
|
|
|
3337 here. */
|
|
|
3338
|
|
|
3339 #if defined (__APPLE__)
|
|
|
3340 #include <mach-o/dyld.h>
|
|
|
3341 #endif
|
|
|
3342
|
|
|
3343 const void *
|
|
|
3344 __gnat_get_executable_load_address (void)
|
|
|
3345 {
|
|
|
3346 #if defined (__APPLE__)
|
|
|
3347 return _dyld_get_image_header (0);
|
|
|
3348
|
|
|
3349 #elif 0 && defined (__linux__)
|
|
|
3350 /* Currently disabled as it needs at least -ldl. */
|
|
|
3351 struct link_map *map = _r_debug.r_map;
|
|
|
3352
|
|
|
3353 return (const void *)map->l_addr;
|
|
|
3354
|
|
|
3355 #else
|
|
|
3356 return NULL;
|
|
|
3357 #endif
|
|
|
3358 }
|
|
|
3359
|
|
|
3360 void
|
|
|
3361 __gnat_kill (int pid, int sig, int close ATTRIBUTE_UNUSED)
|
|
|
3362 {
|
|
|
3363 #if defined(_WIN32)
|
|
|
3364 HANDLE h = OpenProcess (PROCESS_ALL_ACCESS, FALSE, pid);
|
|
|
3365 if (h == NULL)
|
|
|
3366 return;
|
|
|
3367 if (sig == 9)
|
|
|
3368 {
|
|
|
3369 TerminateProcess (h, 1);
|
|
|
3370 }
|
|
|
3371 else if (sig == SIGINT)
|
|
|
3372 GenerateConsoleCtrlEvent (CTRL_C_EVENT, pid);
|
|
|
3373 else if (sig == SIGBREAK)
|
|
|
3374 GenerateConsoleCtrlEvent (CTRL_BREAK_EVENT, pid);
|
|
|
3375 /* ??? The last two alternatives don't really work. SIGBREAK requires setting
|
|
|
3376 up process groups at start time which we don't do; treating SIGINT is just
|
|
|
3377 not possible apparently. So we really only support signal 9. Fortunately
|
|
|
3378 that's all we use in GNAT.Expect */
|
|
|
3379
|
|
|
3380 CloseHandle (h);
|
|
|
3381 #elif defined (__vxworks)
|
|
|
3382 /* Not implemented */
|
|
|
3383 #else
|
|
|
3384 kill (pid, sig);
|
|
|
3385 #endif
|
|
|
3386 }
|
|
|
3387
|
|
|
3388 void __gnat_killprocesstree (int pid, int sig_num)
|
|
|
3389 {
|
|
|
3390 #if defined(_WIN32)
|
|
|
3391 PROCESSENTRY32 pe;
|
|
|
3392
|
|
|
3393 memset(&pe, 0, sizeof(PROCESSENTRY32));
|
|
|
3394 pe.dwSize = sizeof(PROCESSENTRY32);
|
|
|
3395
|
|
|
3396 HANDLE hSnap = CreateToolhelp32Snapshot (TH32CS_SNAPPROCESS, 0);
|
|
|
3397
|
|
|
3398 /* cannot take snapshot, just kill the parent process */
|
|
|
3399
|
|
|
3400 if (hSnap == INVALID_HANDLE_VALUE)
|
|
|
3401 {
|
|
|
3402 __gnat_kill (pid, sig_num, 1);
|
|
|
3403 return;
|
|
|
3404 }
|
|
|
3405
|
|
|
3406 if (Process32First(hSnap, &pe))
|
|
|
3407 {
|
|
|
3408 BOOL bContinue = TRUE;
|
|
|
3409
|
|
|
3410 /* kill child processes first */
|
|
|
3411
|
|
|
3412 while (bContinue)
|
|
|
3413 {
|
|
|
3414 if (pe.th32ParentProcessID == (DWORD)pid)
|
|
|
3415 __gnat_killprocesstree (pe.th32ProcessID, sig_num);
|
|
|
3416
|
|
|
3417 bContinue = Process32Next (hSnap, &pe);
|
|
|
3418 }
|
|
|
3419 }
|
|
|
3420
|
|
|
3421 CloseHandle (hSnap);
|
|
|
3422
|
|
|
3423 /* kill process */
|
|
|
3424
|
|
|
3425 __gnat_kill (pid, sig_num, 1);
|
|
|
3426
|
|
|
3427 #elif defined (__vxworks)
|
|
|
3428 /* not implemented */
|
|
|
3429
|
|
|
3430 #elif defined (__linux__)
|
|
|
3431 DIR *dir;
|
|
|
3432 struct dirent *d;
|
|
|
3433
|
|
|
3434 /* read all processes' pid and ppid */
|
|
|
3435
|
|
|
3436 dir = opendir ("/proc");
|
|
|
3437
|
|
|
3438 /* cannot open proc, just kill the parent process */
|
|
|
3439
|
|
|
3440 if (!dir)
|
|
|
3441 {
|
|
|
3442 __gnat_kill (pid, sig_num, 1);
|
|
|
3443 return;
|
|
|
3444 }
|
|
|
3445
|
|
|
3446 /* kill child processes first */
|
|
|
3447
|
|
|
3448 while ((d = readdir (dir)) != NULL)
|
|
|
3449 {
|
|
|
3450 if ((d->d_type & DT_DIR) == DT_DIR)
|
|
|
3451 {
|
|
|
3452 char statfile[64];
|
|
|
3453 int _pid, _ppid;
|
|
|
3454
|
|
|
3455 /* read /proc/<PID>/stat */
|
|
|
3456
|
|
|
3457 if (strlen (d->d_name) >= sizeof (statfile) - strlen ("/proc//stat"))
|
|
|
3458 continue;
|
|
|
3459 strcpy (statfile, "/proc/");
|
|
|
3460 strcat (statfile, d->d_name);
|
|
|
3461 strcat (statfile, "/stat");
|
|
|
3462
|
|
|
3463 FILE *fd = fopen (statfile, "r");
|
|
|
3464
|
|
|
3465 if (fd)
|
|
|
3466 {
|
|
|
3467 const int match = fscanf (fd, "%d %*s %*s %d", &_pid, &_ppid);
|
|
|
3468 fclose (fd);
|
|
|
3469
|
|
|
3470 if (match == 2 && _ppid == pid)
|
|
|
3471 __gnat_killprocesstree (_pid, sig_num);
|
|
|
3472 }
|
|
|
3473 }
|
|
|
3474 }
|
|
|
3475
|
|
|
3476 closedir (dir);
|
|
|
3477
|
|
|
3478 /* kill process */
|
|
|
3479
|
|
|
3480 __gnat_kill (pid, sig_num, 1);
|
|
|
3481 #else
|
|
|
3482 __gnat_kill (pid, sig_num, 1);
|
|
|
3483 #endif
|
|
|
3484 /* Note on Solaris it is possible to read /proc/<PID>/status.
|
|
|
3485 The 5th and 6th words are the pid and the 7th and 8th the ppid.
|
|
|
3486 See: /usr/include/sys/procfs.h (struct pstatus).
|
|
|
3487 */
|
|
|
3488 }
|
|
|
3489
|
|
|
3490 #ifdef __cplusplus
|
|
|
3491 }
|
|
|
3492 #endif
|
