|
111
|
1 /****************************************************************************
|
|
|
2 * *
|
|
|
3 * GNAT COMPILER COMPONENTS *
|
|
|
4 * *
|
|
|
5 * A D A I N T *
|
|
|
6 * *
|
|
|
7 * C Implementation File *
|
|
|
8 * *
|
|
145
|
9 * Copyright (C) 1992-2019, Free Software Foundation, Inc. *
|
|
111
|
10 * *
|
|
|
11 * GNAT is free software; you can redistribute it and/or modify it under *
|
|
|
12 * terms of the GNU General Public License as published by the Free Soft- *
|
|
|
13 * ware Foundation; either version 3, or (at your option) any later ver- *
|
|
|
14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
|
|
|
15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
|
|
|
16 * or FITNESS FOR A PARTICULAR PURPOSE. *
|
|
|
17 * *
|
|
|
18 * As a special exception under Section 7 of GPL version 3, you are granted *
|
|
|
19 * additional permissions described in the GCC Runtime Library Exception, *
|
|
|
20 * version 3.1, as published by the Free Software Foundation. *
|
|
|
21 * *
|
|
|
22 * You should have received a copy of the GNU General Public License and *
|
|
|
23 * a copy of the GCC Runtime Library Exception along with this program; *
|
|
|
24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
|
|
|
25 * <http://www.gnu.org/licenses/>. *
|
|
|
26 * *
|
|
|
27 * GNAT was originally developed by the GNAT team at New York University. *
|
|
|
28 * Extensive contributions were provided by Ada Core Technologies Inc. *
|
|
|
29 * *
|
|
|
30 ****************************************************************************/
|
|
|
31
|
|
|
32 /* This file contains those routines named by Import pragmas in
|
|
|
33 packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in
|
|
|
34 package Osint. Many of the subprograms in OS_Lib import standard
|
|
|
35 library calls directly. This file contains all other routines. */
|
|
|
36
|
|
|
37 /* Ensure access to errno is thread safe. */
|
|
145
|
38
|
|
|
39 #ifndef _REENTRANT
|
|
111
|
40 #define _REENTRANT
|
|
145
|
41 #endif
|
|
|
42
|
|
|
43 #ifndef _THREAD_SAFE
|
|
111
|
44 #define _THREAD_SAFE
|
|
145
|
45 #endif
|
|
111
|
46
|
|
|
47 /* Use 64 bit Large File API */
|
|
131
|
48 #if defined (__QNX__)
|
|
|
49 #define _LARGEFILE64_SOURCE 1
|
|
|
50 #elif !defined(_LARGEFILE_SOURCE)
|
|
111
|
51 #define _LARGEFILE_SOURCE
|
|
|
52 #endif
|
|
|
53 #define _FILE_OFFSET_BITS 64
|
|
|
54
|
|
|
55 #ifdef __vxworks
|
|
|
56
|
|
|
57 /* No need to redefine exit here. */
|
|
|
58 #undef exit
|
|
|
59
|
|
|
60 /* We want to use the POSIX variants of include files. */
|
|
|
61 #define POSIX
|
|
|
62 #include "vxWorks.h"
|
|
|
63
|
|
|
64 #if defined (__mips_vxworks)
|
|
|
65 #include "cacheLib.h"
|
|
|
66 #endif /* __mips_vxworks */
|
|
|
67
|
|
|
68 /* If SMP, access vxCpuConfiguredGet */
|
|
|
69 #ifdef _WRS_CONFIG_SMP
|
|
|
70 #include <vxCpuLib.h>
|
|
|
71 #endif /* _WRS_CONFIG_SMP */
|
|
|
72
|
|
|
73 /* We need to know the VxWorks version because some file operations
|
|
|
74 (such as chmod) are only available on VxWorks 6. */
|
|
|
75 #include "version.h"
|
|
|
76
|
|
145
|
77 /* vwModNum.h and dosFsLib.h are needed for the VxWorks 6 rename workaround.
|
|
|
78 See below. */
|
|
|
79 #if (_WRS_VXWORKS_MAJOR == 6)
|
|
|
80 #include <vwModNum.h>
|
|
|
81 #include <dosFsLib.h>
|
|
|
82 #endif /* 6.x */
|
|
111
|
83 #endif /* VxWorks */
|
|
|
84
|
|
|
85 #if defined (__APPLE__)
|
|
|
86 #include <unistd.h>
|
|
|
87 #endif
|
|
|
88
|
|
|
89 #if defined (__hpux__)
|
|
|
90 #include <sys/param.h>
|
|
|
91 #include <sys/pstat.h>
|
|
|
92 #endif
|
|
|
93
|
|
|
94 #ifdef __PikeOS__
|
|
|
95 #define __BSD_VISIBLE 1
|
|
|
96 #endif
|
|
|
97
|
|
131
|
98 #ifdef __QNX__
|
|
|
99 #include <sys/syspage.h>
|
|
|
100 #endif
|
|
|
101
|
|
111
|
102 #ifdef IN_RTS
|
|
145
|
103
|
|
|
104 #ifdef STANDALONE
|
|
|
105 #include <errno.h>
|
|
|
106 #include <sys/types.h>
|
|
|
107 #include <sys/stat.h>
|
|
|
108 #include <unistd.h>
|
|
|
109 #include <stdlib.h>
|
|
|
110 #include <string.h>
|
|
|
111
|
|
|
112 /* for CPU_SET/CPU_ZERO */
|
|
|
113 #define _GNU_SOURCE
|
|
|
114 #define __USE_GNU
|
|
|
115
|
|
|
116 #include "runtime.h"
|
|
|
117
|
|
|
118 #else
|
|
111
|
119 #include "tconfig.h"
|
|
|
120 #include "tsystem.h"
|
|
145
|
121 #endif
|
|
|
122
|
|
111
|
123 #include <sys/stat.h>
|
|
|
124 #include <fcntl.h>
|
|
|
125 #include <time.h>
|
|
|
126
|
|
|
127 #if defined (__vxworks) || defined (__ANDROID__)
|
|
|
128 /* S_IREAD and S_IWRITE are not defined in VxWorks or Android */
|
|
|
129 #ifndef S_IREAD
|
|
|
130 #define S_IREAD (S_IRUSR | S_IRGRP | S_IROTH)
|
|
|
131 #endif
|
|
|
132
|
|
|
133 #ifndef S_IWRITE
|
|
|
134 #define S_IWRITE (S_IWUSR)
|
|
|
135 #endif
|
|
|
136 #endif
|
|
|
137
|
|
|
138 /* We don't have libiberty, so use malloc. */
|
|
|
139 #define xmalloc(S) malloc (S)
|
|
|
140 #define xrealloc(V,S) realloc (V,S)
|
|
|
141 #else
|
|
|
142 #include "config.h"
|
|
|
143 #include "system.h"
|
|
|
144 #include "version.h"
|
|
|
145 #endif
|
|
|
146
|
|
|
147 #ifdef __cplusplus
|
|
|
148 extern "C" {
|
|
|
149 #endif
|
|
|
150
|
|
|
151 #if defined (__DJGPP__)
|
|
|
152
|
|
|
153 /* For isalpha-like tests in the compiler, we're expected to resort to
|
|
|
154 safe-ctype.h/ISALPHA. This isn't available for the runtime library
|
|
|
155 build, so we fallback on ctype.h/isalpha there. */
|
|
|
156
|
|
|
157 #ifdef IN_RTS
|
|
|
158 #include <ctype.h>
|
|
|
159 #define ISALPHA isalpha
|
|
|
160 #endif
|
|
|
161
|
|
|
162 #elif defined (__MINGW32__) || defined (__CYGWIN__)
|
|
|
163
|
|
|
164 #include "mingw32.h"
|
|
|
165
|
|
|
166 /* Current code page and CCS encoding to use, set in initialize.c. */
|
|
|
167 UINT __gnat_current_codepage;
|
|
|
168 UINT __gnat_current_ccs_encoding;
|
|
|
169
|
|
|
170 #include <sys/utime.h>
|
|
|
171
|
|
|
172 /* For isalpha-like tests in the compiler, we're expected to resort to
|
|
|
173 safe-ctype.h/ISALPHA. This isn't available for the runtime library
|
|
|
174 build, so we fallback on ctype.h/isalpha there. */
|
|
|
175
|
|
|
176 #ifdef IN_RTS
|
|
|
177 #include <ctype.h>
|
|
|
178 #define ISALPHA isalpha
|
|
|
179 #endif
|
|
|
180
|
|
|
181 #elif defined (__Lynx__)
|
|
|
182
|
|
|
183 /* Lynx utime.h only defines the entities of interest to us if
|
|
|
184 defined (VMOS_DEV), so ... */
|
|
|
185 #define VMOS_DEV
|
|
|
186 #include <utime.h>
|
|
|
187 #undef VMOS_DEV
|
|
|
188
|
|
|
189 #else
|
|
|
190 #include <utime.h>
|
|
|
191 #endif
|
|
|
192
|
|
|
193 /* wait.h processing */
|
|
|
194 #ifdef __MINGW32__
|
|
|
195 # if OLD_MINGW
|
|
|
196 # include <sys/wait.h>
|
|
|
197 # endif
|
|
|
198 #elif defined (__vxworks) && defined (__RTP__)
|
|
|
199 # include <wait.h>
|
|
|
200 #elif defined (__Lynx__)
|
|
|
201 /* ??? We really need wait.h and it includes resource.h on Lynx. GCC
|
|
|
202 has a resource.h header as well, included instead of the lynx
|
|
|
203 version in our setup, causing lots of errors. We don't really need
|
|
|
204 the lynx contents of this file, so just workaround the issue by
|
|
|
205 preventing the inclusion of the GCC header from doing anything. */
|
|
|
206 # define GCC_RESOURCE_H
|
|
|
207 # include <sys/wait.h>
|
|
|
208 #elif defined (__PikeOS__)
|
|
|
209 /* No wait() or waitpid() calls available. */
|
|
|
210 #else
|
|
|
211 /* Default case. */
|
|
|
212 #include <sys/wait.h>
|
|
|
213 #endif
|
|
|
214
|
|
|
215 #if defined (__DJGPP__)
|
|
|
216 #include <process.h>
|
|
|
217 #include <signal.h>
|
|
|
218 #include <dir.h>
|
|
|
219 #include <utime.h>
|
|
|
220 #undef DIR_SEPARATOR
|
|
|
221 #define DIR_SEPARATOR '\\'
|
|
|
222
|
|
|
223 #elif defined (_WIN32)
|
|
|
224
|
|
|
225 #include <windows.h>
|
|
|
226 #include <accctrl.h>
|
|
|
227 #include <aclapi.h>
|
|
|
228 #include <tlhelp32.h>
|
|
|
229 #include <signal.h>
|
|
|
230 #undef DIR_SEPARATOR
|
|
|
231 #define DIR_SEPARATOR '\\'
|
|
|
232
|
|
|
233 #else
|
|
|
234 #include <utime.h>
|
|
|
235 #endif
|
|
|
236
|
|
|
237 #include "adaint.h"
|
|
|
238
|
|
|
239 /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not
|
|
|
240 defined in the current system. On DOS-like systems these flags control
|
|
|
241 whether the file is opened/created in text-translation mode (CR/LF in
|
|
|
242 external file mapped to LF in internal file), but in Unix-like systems,
|
|
|
243 no text translation is required, so these flags have no effect. */
|
|
|
244
|
|
|
245 #ifndef O_BINARY
|
|
|
246 #define O_BINARY 0
|
|
|
247 #endif
|
|
|
248
|
|
|
249 #ifndef O_TEXT
|
|
|
250 #define O_TEXT 0
|
|
|
251 #endif
|
|
|
252
|
|
|
253 #ifndef HOST_EXECUTABLE_SUFFIX
|
|
|
254 #define HOST_EXECUTABLE_SUFFIX ""
|
|
|
255 #endif
|
|
|
256
|
|
|
257 #ifndef HOST_OBJECT_SUFFIX
|
|
|
258 #define HOST_OBJECT_SUFFIX ".o"
|
|
|
259 #endif
|
|
|
260
|
|
|
261 #ifndef PATH_SEPARATOR
|
|
|
262 #define PATH_SEPARATOR ':'
|
|
|
263 #endif
|
|
|
264
|
|
|
265 #ifndef DIR_SEPARATOR
|
|
|
266 #define DIR_SEPARATOR '/'
|
|
|
267 #endif
|
|
|
268
|
|
|
269 /* Check for cross-compilation. */
|
|
|
270 #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE)
|
|
|
271 #define IS_CROSS 1
|
|
|
272 int __gnat_is_cross_compiler = 1;
|
|
|
273 #else
|
|
|
274 #undef IS_CROSS
|
|
|
275 int __gnat_is_cross_compiler = 0;
|
|
|
276 #endif
|
|
|
277
|
|
|
278 char __gnat_dir_separator = DIR_SEPARATOR;
|
|
|
279
|
|
|
280 char __gnat_path_separator = PATH_SEPARATOR;
|
|
|
281
|
|
|
282 /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define
|
|
|
283 the base filenames that libraries specified with -lsomelib options
|
|
|
284 may have. This is used by GNATMAKE to check whether an executable
|
|
|
285 is up-to-date or not. The syntax is
|
|
|
286
|
|
|
287 library_template ::= { pattern ; } pattern NUL
|
|
|
288 pattern ::= [ prefix ] * [ postfix ]
|
|
|
289
|
|
|
290 These should only specify names of static libraries as it makes
|
|
|
291 no sense to determine at link time if dynamic-link libraries are
|
|
|
292 up to date or not. Any libraries that are not found are supposed
|
|
|
293 to be up-to-date:
|
|
|
294
|
|
|
295 * if they are needed but not present, the link
|
|
|
296 will fail,
|
|
|
297
|
|
|
298 * otherwise they are libraries in the system paths and so
|
|
|
299 they are considered part of the system and not checked
|
|
|
300 for that reason.
|
|
|
301
|
|
|
302 ??? This should be part of a GNAT host-specific compiler
|
|
|
303 file instead of being included in all user applications
|
|
|
304 as well. This is only a temporary work-around for 3.11b. */
|
|
|
305
|
|
|
306 #ifndef GNAT_LIBRARY_TEMPLATE
|
|
|
307 #define GNAT_LIBRARY_TEMPLATE "lib*.a"
|
|
|
308 #endif
|
|
|
309
|
|
|
310 const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE;
|
|
|
311
|
|
|
312 #if defined (__vxworks)
|
|
|
313 #define GNAT_MAX_PATH_LEN PATH_MAX
|
|
|
314
|
|
|
315 #else
|
|
|
316
|
|
|
317 #if defined (__MINGW32__)
|
|
|
318 #include "mingw32.h"
|
|
|
319
|
|
|
320 #if OLD_MINGW
|
|
|
321 #include <sys/param.h>
|
|
|
322 #endif
|
|
|
323
|
|
|
324 #else
|
|
|
325 #include <sys/param.h>
|
|
|
326 #endif
|
|
|
327
|
|
|
328 #ifdef MAXPATHLEN
|
|
|
329 #define GNAT_MAX_PATH_LEN MAXPATHLEN
|
|
|
330 #else
|
|
|
331 #define GNAT_MAX_PATH_LEN 256
|
|
|
332 #endif
|
|
|
333
|
|
|
334 #endif
|
|
|
335
|
|
|
336 /* Used for runtime check that Ada constant File_Attributes_Size is no
|
|
|
337 less than the actual size of struct file_attributes (see Osint
|
|
|
338 initialization). */
|
|
|
339 int __gnat_size_of_file_attributes = sizeof (struct file_attributes);
|
|
|
340
|
|
|
341 void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr);
|
|
|
342
|
|
|
343 /* The __gnat_max_path_len variable is used to export the maximum
|
|
|
344 length of a path name to Ada code. max_path_len is also provided
|
|
|
345 for compatibility with older GNAT versions, please do not use
|
|
|
346 it. */
|
|
|
347
|
|
|
348 int __gnat_max_path_len = GNAT_MAX_PATH_LEN;
|
|
|
349 int max_path_len = GNAT_MAX_PATH_LEN;
|
|
|
350
|
|
|
351 /* Control whether we can use ACL on Windows. */
|
|
|
352
|
|
|
353 int __gnat_use_acl = 1;
|
|
|
354
|
|
|
355 /* The following macro HAVE_READDIR_R should be defined if the
|
|
|
356 system provides the routine readdir_r.
|
|
|
357 ... but we never define it anywhere??? */
|
|
|
358 #undef HAVE_READDIR_R
|
|
145
|
359
|
|
111
|
360 #define MAYBE_TO_PTR32(argv) argv
|
|
|
361
|
|
|
362 static const char ATTR_UNSET = 127;
|
|
|
363
|
|
|
364 /* Reset the file attributes as if no system call had been performed */
|
|
|
365
|
|
|
366 void
|
|
|
367 __gnat_reset_attributes (struct file_attributes* attr)
|
|
|
368 {
|
|
|
369 attr->exists = ATTR_UNSET;
|
|
|
370 attr->error = EINVAL;
|
|
|
371
|
|
|
372 attr->writable = ATTR_UNSET;
|
|
|
373 attr->readable = ATTR_UNSET;
|
|
|
374 attr->executable = ATTR_UNSET;
|
|
|
375
|
|
|
376 attr->regular = ATTR_UNSET;
|
|
|
377 attr->symbolic_link = ATTR_UNSET;
|
|
|
378 attr->directory = ATTR_UNSET;
|
|
|
379
|
|
|
380 attr->timestamp = (OS_Time)-2;
|
|
|
381 attr->file_length = -1;
|
|
|
382 }
|
|
|
383
|
|
|
384 int
|
|
|
385 __gnat_error_attributes (struct file_attributes *attr) {
|
|
|
386 return attr->error;
|
|
|
387 }
|
|
|
388
|
|
|
389 OS_Time
|
|
|
390 __gnat_current_time (void)
|
|
|
391 {
|
|
|
392 time_t res = time (NULL);
|
|
|
393 return (OS_Time) res;
|
|
|
394 }
|
|
|
395
|
|
|
396 /* Return the current local time as a string in the ISO 8601 format of
|
|
|
397 "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters
|
|
|
398 long. */
|
|
|
399
|
|
|
400 void
|
|
|
401 __gnat_current_time_string (char *result)
|
|
|
402 {
|
|
|
403 const char *format = "%Y-%m-%d %H:%M:%S";
|
|
|
404 /* Format string necessary to describe the ISO 8601 format */
|
|
|
405
|
|
|
406 const time_t t_val = time (NULL);
|
|
|
407
|
|
|
408 strftime (result, 22, format, localtime (&t_val));
|
|
|
409 /* Convert the local time into a string following the ISO format, copying
|
|
|
410 at most 22 characters into the result string. */
|
|
|
411
|
|
|
412 result [19] = '.';
|
|
|
413 result [20] = '0';
|
|
|
414 result [21] = '0';
|
|
|
415 /* The sub-seconds are manually set to zero since type time_t lacks the
|
|
|
416 precision necessary for nanoseconds. */
|
|
|
417 }
|
|
|
418
|
|
|
419 void
|
|
|
420 __gnat_to_gm_time (OS_Time *p_time, int *p_year, int *p_month, int *p_day,
|
|
|
421 int *p_hours, int *p_mins, int *p_secs)
|
|
|
422 {
|
|
|
423 struct tm *res;
|
|
|
424 time_t time = (time_t) *p_time;
|
|
|
425
|
|
|
426 res = gmtime (&time);
|
|
|
427 if (res)
|
|
|
428 {
|
|
|
429 *p_year = res->tm_year;
|
|
|
430 *p_month = res->tm_mon;
|
|
|
431 *p_day = res->tm_mday;
|
|
|
432 *p_hours = res->tm_hour;
|
|
|
433 *p_mins = res->tm_min;
|
|
|
434 *p_secs = res->tm_sec;
|
|
|
435 }
|
|
|
436 else
|
|
|
437 *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0;
|
|
|
438 }
|
|
|
439
|
|
|
440 void
|
|
|
441 __gnat_to_os_time (OS_Time *p_time, int year, int month, int day,
|
|
|
442 int hours, int mins, int secs)
|
|
|
443 {
|
|
|
444 struct tm v;
|
|
|
445
|
|
|
446 v.tm_year = year;
|
|
|
447 v.tm_mon = month;
|
|
|
448 v.tm_mday = day;
|
|
|
449 v.tm_hour = hours;
|
|
|
450 v.tm_min = mins;
|
|
|
451 v.tm_sec = secs;
|
|
|
452 v.tm_isdst = -1;
|
|
|
453
|
|
|
454 /* returns -1 of failing, this is s-os_lib Invalid_Time */
|
|
|
455
|
|
|
456 *p_time = (OS_Time) mktime (&v);
|
|
|
457 }
|
|
|
458
|
|
|
459 /* Place the contents of the symbolic link named PATH in the buffer BUF,
|
|
|
460 which has size BUFSIZ. If PATH is a symbolic link, then return the number
|
|
|
461 of characters of its content in BUF. Otherwise, return -1.
|
|
|
462 For systems not supporting symbolic links, always return -1. */
|
|
|
463
|
|
|
464 int
|
|
|
465 __gnat_readlink (char *path ATTRIBUTE_UNUSED,
|
|
|
466 char *buf ATTRIBUTE_UNUSED,
|
|
|
467 size_t bufsiz ATTRIBUTE_UNUSED)
|
|
|
468 {
|
|
|
469 #if defined (_WIN32) \
|
|
|
470 || defined(__vxworks) || defined (__PikeOS__)
|
|
|
471 return -1;
|
|
|
472 #else
|
|
|
473 return readlink (path, buf, bufsiz);
|
|
|
474 #endif
|
|
|
475 }
|
|
|
476
|
|
|
477 /* Creates a symbolic link named NEWPATH which contains the string OLDPATH.
|
|
|
478 If NEWPATH exists it will NOT be overwritten.
|
|
|
479 For systems not supporting symbolic links, always return -1. */
|
|
|
480
|
|
|
481 int
|
|
|
482 __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED,
|
|
|
483 char *newpath ATTRIBUTE_UNUSED)
|
|
|
484 {
|
|
|
485 #if defined (_WIN32) \
|
|
|
486 || defined(__vxworks) || defined (__PikeOS__)
|
|
|
487 return -1;
|
|
|
488 #else
|
|
|
489 return symlink (oldpath, newpath);
|
|
|
490 #endif
|
|
|
491 }
|
|
|
492
|
|
|
493 /* Try to lock a file, return 1 if success. */
|
|
|
494
|
|
|
495 #if defined (__vxworks) \
|
|
|
496 || defined (_WIN32) || defined (__PikeOS__)
|
|
|
497
|
|
|
498 /* Version that does not use link. */
|
|
|
499
|
|
|
500 int
|
|
|
501 __gnat_try_lock (char *dir, char *file)
|
|
|
502 {
|
|
|
503 int fd;
|
|
|
504 #ifdef __MINGW32__
|
|
|
505 TCHAR wfull_path[GNAT_MAX_PATH_LEN];
|
|
|
506 TCHAR wfile[GNAT_MAX_PATH_LEN];
|
|
|
507 TCHAR wdir[GNAT_MAX_PATH_LEN];
|
|
|
508
|
|
|
509 S2WSC (wdir, dir, GNAT_MAX_PATH_LEN);
|
|
|
510 S2WSC (wfile, file, GNAT_MAX_PATH_LEN);
|
|
|
511
|
|
|
512 /* ??? the code below crash on MingW64 for obscure reasons, a ticket
|
|
|
513 has been opened here:
|
|
|
514
|
|
|
515 https://sourceforge.net/p/mingw-w64/bugs/414/
|
|
|
516
|
|
|
517 As a workaround an equivalent set of code has been put in place below.
|
|
|
518
|
|
|
519 _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile);
|
|
|
520 */
|
|
|
521
|
|
|
522 _tcscpy (wfull_path, wdir);
|
|
|
523 _tcscat (wfull_path, L"\\");
|
|
|
524 _tcscat (wfull_path, wfile);
|
|
|
525
|
|
|
526 fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600);
|
|
|
527 #else
|
|
|
528 char full_path[256];
|
|
|
529
|
|
|
530 sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
|
|
531 fd = open (full_path, O_CREAT | O_EXCL, 0600);
|
|
|
532 #endif
|
|
|
533
|
|
|
534 if (fd < 0)
|
|
|
535 return 0;
|
|
|
536
|
|
|
537 close (fd);
|
|
|
538 return 1;
|
|
|
539 }
|
|
|
540
|
|
|
541 #else
|
|
|
542
|
|
|
543 /* Version using link(), more secure over NFS. */
|
|
|
544 /* See TN 6913-016 for discussion ??? */
|
|
|
545
|
|
|
546 int
|
|
|
547 __gnat_try_lock (char *dir, char *file)
|
|
|
548 {
|
|
|
549 char full_path[256];
|
|
|
550 char temp_file[256];
|
|
|
551 GNAT_STRUCT_STAT stat_result;
|
|
|
552 int fd;
|
|
|
553
|
|
|
554 sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file);
|
|
|
555 sprintf (temp_file, "%s%cTMP-%ld-%ld",
|
|
|
556 dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ());
|
|
|
557
|
|
|
558 /* Create the temporary file and write the process number. */
|
|
|
559 fd = open (temp_file, O_CREAT | O_WRONLY, 0600);
|
|
|
560 if (fd < 0)
|
|
|
561 return 0;
|
|
|
562
|
|
|
563 close (fd);
|
|
|
564
|
|
|
565 /* Link it with the new file. */
|
|
|
566 link (temp_file, full_path);
|
|
|
567
|
|
|
568 /* Count the references on the old one. If we have a count of two, then
|
|
|
569 the link did succeed. Remove the temporary file before returning. */
|
|
|
570 __gnat_stat (temp_file, &stat_result);
|
|
|
571 unlink (temp_file);
|
|
|
572 return stat_result.st_nlink == 2;
|
|
|
573 }
|
|
|
574 #endif
|
|
|
575
|
|
|
576 /* Return the maximum file name length. */
|
|
|
577
|
|
|
578 int
|
|
|
579 __gnat_get_maximum_file_name_length (void)
|
|
|
580 {
|
|
|
581 return -1;
|
|
|
582 }
|
|
|
583
|
|
|
584 /* Return nonzero if file names are case sensitive. */
|
|
|
585
|
|
|
586 static int file_names_case_sensitive_cache = -1;
|
|
|
587
|
|
|
588 int
|
|
|
589 __gnat_get_file_names_case_sensitive (void)
|
|
|
590 {
|
|
|
591 if (file_names_case_sensitive_cache == -1)
|
|
|
592 {
|
|
|
593 const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE");
|
|
|
594
|
|
|
595 if (sensitive != NULL
|
|
|
596 && (sensitive[0] == '0' || sensitive[0] == '1')
|
|
|
597 && sensitive[1] == '\0')
|
|
|
598 file_names_case_sensitive_cache = sensitive[0] - '0';
|
|
|
599 else
|
|
|
600 {
|
|
|
601 /* By default, we suppose filesystems aren't case sensitive on
|
|
|
602 Windows and Darwin (but they are on arm-darwin). */
|
|
|
603 #if defined (WINNT) || defined (__DJGPP__) \
|
|
|
604 || (defined (__APPLE__) && !(defined (__arm__) || defined (__arm64__)))
|
|
|
605 file_names_case_sensitive_cache = 0;
|
|
|
606 #else
|
|
|
607 file_names_case_sensitive_cache = 1;
|
|
|
608 #endif
|
|
|
609 }
|
|
|
610 }
|
|
|
611 return file_names_case_sensitive_cache;
|
|
|
612 }
|
|
|
613
|
|
|
614 /* Return nonzero if environment variables are case sensitive. */
|
|
|
615
|
|
|
616 int
|
|
|
617 __gnat_get_env_vars_case_sensitive (void)
|
|
|
618 {
|
|
|
619 #if defined (WINNT) || defined (__DJGPP__)
|
|
|
620 return 0;
|
|
|
621 #else
|
|
|
622 return 1;
|
|
|
623 #endif
|
|
|
624 }
|
|
|
625
|
|
|
626 char
|
|
|
627 __gnat_get_default_identifier_character_set (void)
|
|
|
628 {
|
|
|
629 return '1';
|
|
|
630 }
|
|
|
631
|
|
|
632 /* Return the current working directory. */
|
|
|
633
|
|
|
634 void
|
|
|
635 __gnat_get_current_dir (char *dir, int *length)
|
|
|
636 {
|
|
|
637 #if defined (__MINGW32__)
|
|
|
638 TCHAR wdir[GNAT_MAX_PATH_LEN];
|
|
|
639
|
|
|
640 _tgetcwd (wdir, *length);
|
|
|
641
|
|
|
642 WS2SC (dir, wdir, GNAT_MAX_PATH_LEN);
|
|
|
643
|
|
|
644 #else
|
|
|
645 char* result = getcwd (dir, *length);
|
|
|
646 /* If the current directory does not exist, set length = 0
|
|
|
647 to indicate error. That can't happen on windows, where
|
|
|
648 you can't delete a directory if it is the current
|
|
|
649 directory of some process. */
|
|
|
650 if (!result)
|
|
|
651 {
|
|
|
652 *length = 0;
|
|
|
653 return;
|
|
|
654 }
|
|
|
655 #endif
|
|
|
656
|
|
|
657 *length = strlen (dir);
|
|
|
658
|
|
|
659 if (dir [*length - 1] != DIR_SEPARATOR)
|
|
|
660 {
|
|
|
661 dir [*length] = DIR_SEPARATOR;
|
|
|
662 ++(*length);
|
|
|
663 }
|
|
|
664 dir[*length] = '\0';
|
|
|
665 }
|
|
|
666
|
|
|
667 /* Return the suffix for object files. */
|
|
|
668
|
|
|
669 void
|
|
|
670 __gnat_get_object_suffix_ptr (int *len, const char **value)
|
|
|
671 {
|
|
|
672 *value = HOST_OBJECT_SUFFIX;
|
|
|
673
|
|
|
674 if (*value == 0)
|
|
|
675 *len = 0;
|
|
|
676 else
|
|
|
677 *len = strlen (*value);
|
|
|
678
|
|
|
679 return;
|
|
|
680 }
|
|
|
681
|
|
|
682 /* Return the suffix for executable files. */
|
|
|
683
|
|
|
684 void
|
|
|
685 __gnat_get_executable_suffix_ptr (int *len, const char **value)
|
|
|
686 {
|
|
|
687 *value = HOST_EXECUTABLE_SUFFIX;
|
|
131
|
688
|
|
111
|
689 if (!*value)
|
|
|
690 *len = 0;
|
|
|
691 else
|
|
|
692 *len = strlen (*value);
|
|
|
693
|
|
|
694 return;
|
|
|
695 }
|
|
|
696
|
|
|
697 /* Return the suffix for debuggable files. Usually this is the same as the
|
|
|
698 executable extension. */
|
|
|
699
|
|
|
700 void
|
|
|
701 __gnat_get_debuggable_suffix_ptr (int *len, const char **value)
|
|
|
702 {
|
|
|
703 *value = HOST_EXECUTABLE_SUFFIX;
|
|
|
704
|
|
|
705 if (*value == 0)
|
|
|
706 *len = 0;
|
|
|
707 else
|
|
|
708 *len = strlen (*value);
|
|
|
709
|
|
|
710 return;
|
|
|
711 }
|
|
|
712
|
|
|
713 /* Returns the OS filename and corresponding encoding. */
|
|
|
714
|
|
|
715 void
|
|
|
716 __gnat_os_filename (char *filename ATTRIBUTE_UNUSED,
|
|
|
717 char *w_filename ATTRIBUTE_UNUSED,
|
|
|
718 char *os_name, int *o_length,
|
|
|
719 char *encoding ATTRIBUTE_UNUSED, int *e_length)
|
|
|
720 {
|
|
|
721 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
722 WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length);
|
|
|
723 *o_length = strlen (os_name);
|
|
|
724 strcpy (encoding, "encoding=utf8");
|
|
|
725 *e_length = strlen (encoding);
|
|
|
726 #else
|
|
|
727 strcpy (os_name, filename);
|
|
|
728 *o_length = strlen (filename);
|
|
|
729 *e_length = 0;
|
|
|
730 #endif
|
|
|
731 }
|
|
|
732
|
|
|
733 /* Delete a file. */
|
|
|
734
|
|
|
735 int
|
|
|
736 __gnat_unlink (char *path)
|
|
|
737 {
|
|
|
738 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
739 {
|
|
|
740 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
741
|
|
|
742 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
743 return _tunlink (wpath);
|
|
|
744 }
|
|
|
745 #else
|
|
|
746 return unlink (path);
|
|
|
747 #endif
|
|
|
748 }
|
|
|
749
|
|
|
750 /* Rename a file. */
|
|
|
751
|
|
|
752 int
|
|
|
753 __gnat_rename (char *from, char *to)
|
|
|
754 {
|
|
|
755 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
756 {
|
|
|
757 TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN];
|
|
|
758
|
|
|
759 S2WSC (wfrom, from, GNAT_MAX_PATH_LEN);
|
|
|
760 S2WSC (wto, to, GNAT_MAX_PATH_LEN);
|
|
|
761 return _trename (wfrom, wto);
|
|
|
762 }
|
|
145
|
763 #elif defined (__vxworks) && (_WRS_VXWORKS_MAJOR == 6)
|
|
|
764 {
|
|
|
765 /* When used on a dos filesystem under VxWorks 6.9 rename will trigger a
|
|
|
766 S_dosFsLib_FILE_NOT_FOUND errno when the file is not found. Let's map
|
|
|
767 that to ENOENT so Ada.Directory.Rename can detect that and raise the
|
|
|
768 Name_Error exception. */
|
|
|
769 int ret = rename (from, to);
|
|
|
770
|
|
|
771 if (ret && (errno == S_dosFsLib_FILE_NOT_FOUND))
|
|
|
772 {
|
|
|
773 errno = ENOENT;
|
|
|
774 }
|
|
|
775 return ret;
|
|
|
776 }
|
|
111
|
777 #else
|
|
|
778 return rename (from, to);
|
|
|
779 #endif
|
|
|
780 }
|
|
|
781
|
|
|
782 /* Changing directory. */
|
|
|
783
|
|
|
784 int
|
|
|
785 __gnat_chdir (char *path)
|
|
|
786 {
|
|
|
787 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
788 {
|
|
|
789 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
790
|
|
|
791 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
792 return _tchdir (wpath);
|
|
|
793 }
|
|
|
794 #else
|
|
|
795 return chdir (path);
|
|
|
796 #endif
|
|
|
797 }
|
|
|
798
|
|
|
799 /* Removing a directory. */
|
|
|
800
|
|
|
801 int
|
|
|
802 __gnat_rmdir (char *path)
|
|
|
803 {
|
|
|
804 #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
805 {
|
|
|
806 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
807
|
|
|
808 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
809 return _trmdir (wpath);
|
|
|
810 }
|
|
|
811 #elif defined (VTHREADS)
|
|
|
812 /* rmdir not available */
|
|
|
813 return -1;
|
|
|
814 #else
|
|
|
815 return rmdir (path);
|
|
|
816 #endif
|
|
|
817 }
|
|
|
818
|
|
|
819 #if defined (_WIN32) || defined (__linux__) || defined (__sun__) \
|
|
131
|
820 || defined (__FreeBSD__) || defined(__DragonFly__) || defined (__QNX__)
|
|
111
|
821 #define HAS_TARGET_WCHAR_T
|
|
|
822 #endif
|
|
|
823
|
|
|
824 #ifdef HAS_TARGET_WCHAR_T
|
|
|
825 #include <wchar.h>
|
|
|
826 #endif
|
|
|
827
|
|
|
828 int
|
|
|
829 __gnat_fputwc(int c, FILE *stream)
|
|
|
830 {
|
|
|
831 #ifdef HAS_TARGET_WCHAR_T
|
|
|
832 return fputwc ((wchar_t)c, stream);
|
|
|
833 #else
|
|
|
834 return fputc (c, stream);
|
|
|
835 #endif
|
|
|
836 }
|
|
|
837
|
|
|
838 FILE *
|
|
|
839 __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED)
|
|
|
840 {
|
|
|
841 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
842 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
843 TCHAR wmode[10];
|
|
|
844
|
|
|
845 S2WS (wmode, mode, 10);
|
|
|
846
|
|
|
847 if (encoding == Encoding_Unspecified)
|
|
|
848 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
849 else if (encoding == Encoding_UTF8)
|
|
|
850 S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
851 else
|
|
|
852 S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
853
|
|
|
854 return _tfopen (wpath, wmode);
|
|
|
855
|
|
|
856 #else
|
|
|
857 return GNAT_FOPEN (path, mode);
|
|
|
858 #endif
|
|
|
859 }
|
|
|
860
|
|
|
861 FILE *
|
|
|
862 __gnat_freopen (char *path,
|
|
|
863 char *mode,
|
|
|
864 FILE *stream,
|
|
|
865 int encoding ATTRIBUTE_UNUSED)
|
|
|
866 {
|
|
|
867 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
868 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
869 TCHAR wmode[10];
|
|
|
870
|
|
|
871 S2WS (wmode, mode, 10);
|
|
|
872
|
|
|
873 if (encoding == Encoding_Unspecified)
|
|
|
874 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
875 else if (encoding == Encoding_UTF8)
|
|
|
876 S2WSU (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
877 else
|
|
|
878 S2WS (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
879
|
|
|
880 return _tfreopen (wpath, wmode, stream);
|
|
|
881 #else
|
|
|
882 return freopen (path, mode, stream);
|
|
|
883 #endif
|
|
|
884 }
|
|
|
885
|
|
|
886 int
|
|
|
887 __gnat_open_read (char *path, int fmode)
|
|
|
888 {
|
|
|
889 int fd;
|
|
|
890 int o_fmode = O_BINARY;
|
|
|
891
|
|
|
892 if (fmode)
|
|
|
893 o_fmode = O_TEXT;
|
|
|
894
|
|
|
895 #if defined (__vxworks)
|
|
|
896 fd = open (path, O_RDONLY | o_fmode, 0444);
|
|
|
897 #elif defined (__MINGW32__)
|
|
|
898 {
|
|
|
899 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
900
|
|
|
901 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
902 fd = _topen (wpath, O_RDONLY | o_fmode, 0444);
|
|
|
903 }
|
|
|
904 #else
|
|
|
905 fd = GNAT_OPEN (path, O_RDONLY | o_fmode);
|
|
|
906 #endif
|
|
|
907
|
|
|
908 return fd < 0 ? -1 : fd;
|
|
|
909 }
|
|
|
910
|
|
|
911 #if defined (__MINGW32__)
|
|
|
912 #define PERM (S_IREAD | S_IWRITE)
|
|
|
913 #else
|
|
|
914 #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
|
|
|
915 #endif
|
|
|
916
|
|
|
917 int
|
|
|
918 __gnat_open_rw (char *path, int fmode)
|
|
|
919 {
|
|
|
920 int fd;
|
|
|
921 int o_fmode = O_BINARY;
|
|
|
922
|
|
|
923 if (fmode)
|
|
|
924 o_fmode = O_TEXT;
|
|
|
925
|
|
|
926 #if defined (__MINGW32__)
|
|
|
927 {
|
|
|
928 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
929
|
|
|
930 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
931 fd = _topen (wpath, O_RDWR | o_fmode, PERM);
|
|
|
932 }
|
|
|
933 #else
|
|
|
934 fd = GNAT_OPEN (path, O_RDWR | o_fmode, PERM);
|
|
|
935 #endif
|
|
|
936
|
|
|
937 return fd < 0 ? -1 : fd;
|
|
|
938 }
|
|
|
939
|
|
|
940 int
|
|
|
941 __gnat_open_create (char *path, int fmode)
|
|
|
942 {
|
|
|
943 int fd;
|
|
|
944 int o_fmode = O_BINARY;
|
|
|
945
|
|
|
946 if (fmode)
|
|
|
947 o_fmode = O_TEXT;
|
|
|
948
|
|
|
949 #if defined (__MINGW32__)
|
|
|
950 {
|
|
|
951 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
952
|
|
|
953 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
954 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
|
|
955 }
|
|
|
956 #else
|
|
|
957 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM);
|
|
|
958 #endif
|
|
|
959
|
|
|
960 return fd < 0 ? -1 : fd;
|
|
|
961 }
|
|
|
962
|
|
|
963 int
|
|
|
964 __gnat_create_output_file (char *path)
|
|
|
965 {
|
|
|
966 int fd;
|
|
|
967 #if defined (__MINGW32__)
|
|
|
968 {
|
|
|
969 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
970
|
|
|
971 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
972 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
|
|
973 }
|
|
|
974 #else
|
|
|
975 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM);
|
|
|
976 #endif
|
|
|
977
|
|
|
978 return fd < 0 ? -1 : fd;
|
|
|
979 }
|
|
|
980
|
|
|
981 int
|
|
|
982 __gnat_create_output_file_new (char *path)
|
|
|
983 {
|
|
|
984 int fd;
|
|
|
985 #if defined (__MINGW32__)
|
|
|
986 {
|
|
|
987 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
988
|
|
|
989 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
990 fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
|
|
991 }
|
|
|
992 #else
|
|
|
993 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM);
|
|
|
994 #endif
|
|
|
995
|
|
|
996 return fd < 0 ? -1 : fd;
|
|
|
997 }
|
|
|
998
|
|
|
999 int
|
|
|
1000 __gnat_open_append (char *path, int fmode)
|
|
|
1001 {
|
|
|
1002 int fd;
|
|
|
1003 int o_fmode = O_BINARY;
|
|
|
1004
|
|
|
1005 if (fmode)
|
|
|
1006 o_fmode = O_TEXT;
|
|
|
1007
|
|
|
1008 #if defined (__MINGW32__)
|
|
|
1009 {
|
|
|
1010 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
1011
|
|
|
1012 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
1013 fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
|
|
1014 }
|
|
|
1015 #else
|
|
|
1016 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM);
|
|
|
1017 #endif
|
|
|
1018
|
|
|
1019 return fd < 0 ? -1 : fd;
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 /* Open a new file. Return error (-1) if the file already exists. */
|
|
|
1023
|
|
|
1024 int
|
|
|
1025 __gnat_open_new (char *path, int fmode)
|
|
|
1026 {
|
|
|
1027 int fd;
|
|
|
1028 int o_fmode = O_BINARY;
|
|
|
1029
|
|
|
1030 if (fmode)
|
|
|
1031 o_fmode = O_TEXT;
|
|
|
1032
|
|
|
1033 #if defined (__MINGW32__)
|
|
|
1034 {
|
|
|
1035 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
1036
|
|
|
1037 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
1038 fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
1039 }
|
|
|
1040 #else
|
|
|
1041 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
1042 #endif
|
|
|
1043
|
|
|
1044 return fd < 0 ? -1 : fd;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 /* Open a new temp file. Return error (-1) if the file already exists. */
|
|
|
1048
|
|
|
1049 int
|
|
|
1050 __gnat_open_new_temp (char *path, int fmode)
|
|
|
1051 {
|
|
|
1052 int fd;
|
|
|
1053 int o_fmode = O_BINARY;
|
|
|
1054
|
|
|
1055 strcpy (path, "GNAT-XXXXXX");
|
|
|
1056
|
|
|
1057 #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \
|
|
|
1058 || defined (__linux__) || defined (__GLIBC__) || defined (__ANDROID__) \
|
|
131
|
1059 || defined (__DragonFly__) || defined (__QNX__)) && !defined (__vxworks)
|
|
111
|
1060 return mkstemp (path);
|
|
|
1061 #elif defined (__Lynx__)
|
|
|
1062 mktemp (path);
|
|
|
1063 #else
|
|
|
1064 if (mktemp (path) == NULL)
|
|
|
1065 return -1;
|
|
|
1066 #endif
|
|
|
1067
|
|
|
1068 if (fmode)
|
|
|
1069 o_fmode = O_TEXT;
|
|
|
1070
|
|
|
1071 fd = GNAT_OPEN (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM);
|
|
|
1072 return fd < 0 ? -1 : fd;
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 int
|
|
|
1076 __gnat_open (char *path, int fmode)
|
|
|
1077 {
|
|
|
1078 int fd;
|
|
|
1079
|
|
|
1080 #if defined (__MINGW32__)
|
|
|
1081 {
|
|
|
1082 TCHAR wpath[GNAT_MAX_PATH_LEN];
|
|
|
1083
|
|
|
1084 S2WSC (wpath, path, GNAT_MAX_PATH_LEN);
|
|
|
1085 fd = _topen (wpath, fmode, PERM);
|
|
|
1086 }
|
|
|
1087 #else
|
|
|
1088 fd = GNAT_OPEN (path, fmode, PERM);
|
|
|
1089 #endif
|
|
|
1090
|
|
|
1091 return fd < 0 ? -1 : fd;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 /****************************************************************
|
|
|
1095 ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information
|
|
|
1096 ** as possible from it, storing the result in a cache for later reuse
|
|
|
1097 ****************************************************************/
|
|
|
1098
|
|
|
1099 void
|
|
|
1100 __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr)
|
|
|
1101 {
|
|
|
1102 GNAT_STRUCT_STAT statbuf;
|
|
|
1103 int ret, error;
|
|
|
1104
|
|
|
1105 if (fd != -1) {
|
|
|
1106 /* GNAT_FSTAT returns -1 and sets errno for failure */
|
|
|
1107 ret = GNAT_FSTAT (fd, &statbuf);
|
|
|
1108 error = ret ? errno : 0;
|
|
|
1109
|
|
|
1110 } else {
|
|
|
1111 /* __gnat_stat returns errno value directly */
|
|
|
1112 error = __gnat_stat (name, &statbuf);
|
|
|
1113 ret = error ? -1 : 0;
|
|
|
1114 }
|
|
|
1115
|
|
|
1116 /*
|
|
|
1117 * A missing file is reported as an attr structure with error == 0 and
|
|
|
1118 * exists == 0.
|
|
|
1119 */
|
|
|
1120
|
|
|
1121 if (error == 0 || error == ENOENT)
|
|
|
1122 attr->error = 0;
|
|
|
1123 else
|
|
|
1124 attr->error = error;
|
|
|
1125
|
|
|
1126 attr->regular = (!ret && S_ISREG (statbuf.st_mode));
|
|
|
1127 attr->directory = (!ret && S_ISDIR (statbuf.st_mode));
|
|
|
1128
|
|
|
1129 if (!attr->regular)
|
|
|
1130 attr->file_length = 0;
|
|
|
1131 else
|
|
|
1132 /* st_size may be 32 bits, or 64 bits which is converted to long. We
|
|
|
1133 don't return a useful value for files larger than 2 gigabytes in
|
|
|
1134 either case. */
|
|
|
1135 attr->file_length = statbuf.st_size; /* all systems */
|
|
|
1136
|
|
|
1137 attr->exists = !ret;
|
|
|
1138
|
|
|
1139 #if !defined (_WIN32)
|
|
|
1140 /* on Windows requires extra system call, see __gnat_is_readable_file_attr */
|
|
|
1141 attr->readable = (!ret && (statbuf.st_mode & S_IRUSR));
|
|
|
1142 attr->writable = (!ret && (statbuf.st_mode & S_IWUSR));
|
|
|
1143 attr->executable = (!ret && (statbuf.st_mode & S_IXUSR));
|
|
|
1144 #endif
|
|
|
1145
|
|
|
1146 if (ret != 0) {
|
|
|
1147 attr->timestamp = (OS_Time)-1;
|
|
|
1148 } else {
|
|
|
1149 attr->timestamp = (OS_Time)statbuf.st_mtime;
|
|
|
1150 }
|
|
|
1151 }
|
|
|
1152
|
|
|
1153 /****************************************************************
|
|
|
1154 ** Return the number of bytes in the specified file
|
|
|
1155 ****************************************************************/
|
|
|
1156
|
|
|
1157 __int64
|
|
|
1158 __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr)
|
|
|
1159 {
|
|
|
1160 if (attr->file_length == -1) {
|
|
|
1161 __gnat_stat_to_attr (fd, name, attr);
|
|
|
1162 }
|
|
|
1163
|
|
|
1164 return attr->file_length;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 __int64
|
|
|
1168 __gnat_file_length (int fd)
|
|
|
1169 {
|
|
|
1170 struct file_attributes attr;
|
|
|
1171 __gnat_reset_attributes (&attr);
|
|
|
1172 return __gnat_file_length_attr (fd, NULL, &attr);
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 long
|
|
|
1176 __gnat_file_length_long (int fd)
|
|
|
1177 {
|
|
|
1178 struct file_attributes attr;
|
|
|
1179 __gnat_reset_attributes (&attr);
|
|
|
1180 return (long)__gnat_file_length_attr (fd, NULL, &attr);
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 __int64
|
|
|
1184 __gnat_named_file_length (char *name)
|
|
|
1185 {
|
|
|
1186 struct file_attributes attr;
|
|
|
1187 __gnat_reset_attributes (&attr);
|
|
|
1188 return __gnat_file_length_attr (-1, name, &attr);
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 /* Create a temporary filename and put it in string pointed to by
|
|
|
1192 TMP_FILENAME. */
|
|
|
1193
|
|
|
1194 void
|
|
|
1195 __gnat_tmp_name (char *tmp_filename)
|
|
|
1196 {
|
|
|
1197 #if defined (__MINGW32__)
|
|
|
1198 {
|
|
|
1199 char *pname;
|
|
|
1200 char prefix[25];
|
|
|
1201
|
|
|
1202 /* tempnam tries to create a temporary file in directory pointed to by
|
|
|
1203 TMP environment variable, in c:\temp if TMP is not set, and in
|
|
|
1204 directory specified by P_tmpdir in stdio.h if c:\temp does not
|
|
|
1205 exist. The filename will be created with the prefix "gnat-". */
|
|
|
1206
|
|
|
1207 sprintf (prefix, "gnat-%d-", (int)getpid());
|
|
|
1208 pname = (char *) _tempnam ("c:\\temp", prefix);
|
|
|
1209
|
|
|
1210 /* if pname is NULL, the file was not created properly, the disk is full
|
|
|
1211 or there is no more free temporary files */
|
|
|
1212
|
|
|
1213 if (pname == NULL)
|
|
|
1214 *tmp_filename = '\0';
|
|
|
1215
|
|
|
1216 /* If pname start with a back slash and not path information it means that
|
|
|
1217 the filename is valid for the current working directory. */
|
|
|
1218
|
|
|
1219 else if (pname[0] == '\\')
|
|
|
1220 {
|
|
|
1221 strcpy (tmp_filename, ".\\");
|
|
|
1222 strcat (tmp_filename, pname+1);
|
|
|
1223 }
|
|
|
1224 else
|
|
|
1225 strcpy (tmp_filename, pname);
|
|
|
1226
|
|
|
1227 free (pname);
|
|
|
1228 }
|
|
|
1229
|
|
|
1230 #elif defined (__linux__) || defined (__FreeBSD__) || defined (__NetBSD__) \
|
|
|
1231 || defined (__OpenBSD__) || defined (__GLIBC__) || defined (__ANDROID__) \
|
|
131
|
1232 || defined (__DragonFly__) || defined (__QNX__)
|
|
111
|
1233 #define MAX_SAFE_PATH 1000
|
|
|
1234 char *tmpdir = getenv ("TMPDIR");
|
|
|
1235
|
|
|
1236 /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid
|
|
|
1237 a buffer overflow. */
|
|
|
1238 if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH)
|
|
|
1239 #ifdef __ANDROID__
|
|
|
1240 strcpy (tmp_filename, "/cache/gnat-XXXXXX");
|
|
|
1241 #else
|
|
|
1242 strcpy (tmp_filename, "/tmp/gnat-XXXXXX");
|
|
|
1243 #endif
|
|
|
1244 else
|
|
|
1245 sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir);
|
|
|
1246
|
|
|
1247 close (mkstemp(tmp_filename));
|
|
|
1248 #elif defined (__vxworks) && !defined (VTHREADS)
|
|
|
1249 int index;
|
|
|
1250 char *pos;
|
|
|
1251 char *savepos;
|
|
|
1252 static ushort_t seed = 0; /* used to generate unique name */
|
|
|
1253
|
|
|
1254 /* Generate a unique name. */
|
|
|
1255 strcpy (tmp_filename, "tmp");
|
|
|
1256
|
|
|
1257 index = 5;
|
|
|
1258 savepos = pos = tmp_filename + strlen (tmp_filename) + index;
|
|
|
1259 *pos = '\0';
|
|
|
1260
|
|
|
1261 while (1)
|
|
|
1262 {
|
|
|
1263 FILE *f;
|
|
|
1264 ushort_t t;
|
|
|
1265
|
|
|
1266 /* Fill up the name buffer from the last position. */
|
|
|
1267 seed++;
|
|
131
|
1268 for (t = seed; --index >= 0; t >>= 3)
|
|
111
|
1269 *--pos = '0' + (t & 07);
|
|
|
1270
|
|
|
1271 /* Check to see if its unique, if not bump the seed and try again. */
|
|
|
1272 f = fopen (tmp_filename, "r");
|
|
|
1273 if (f == NULL)
|
|
|
1274 break;
|
|
|
1275 fclose (f);
|
|
|
1276 pos = savepos;
|
|
|
1277 index = 5;
|
|
|
1278 }
|
|
|
1279 #else
|
|
|
1280 tmpnam (tmp_filename);
|
|
|
1281 #endif
|
|
|
1282 }
|
|
|
1283
|
|
|
1284 /* Open directory and returns a DIR pointer. */
|
|
|
1285
|
|
|
1286 DIR* __gnat_opendir (char *name)
|
|
|
1287 {
|
|
|
1288 #if defined (__MINGW32__)
|
|
|
1289 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1290
|
|
|
1291 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1292 return (DIR*)_topendir (wname);
|
|
|
1293
|
|
|
1294 #else
|
|
|
1295 return opendir (name);
|
|
|
1296 #endif
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 /* Read the next entry in a directory. The returned string points somewhere
|
|
|
1300 in the buffer. */
|
|
|
1301
|
|
|
1302 #if defined (__sun__)
|
|
|
1303 /* For Solaris, be sure to use the 64-bit version, otherwise NFS reads may
|
|
|
1304 fail with EOVERFLOW if the server uses 64-bit cookies. */
|
|
|
1305 #define dirent dirent64
|
|
|
1306 #define readdir readdir64
|
|
|
1307 #endif
|
|
|
1308
|
|
|
1309 char *
|
|
|
1310 __gnat_readdir (DIR *dirp, char *buffer, int *len)
|
|
|
1311 {
|
|
|
1312 #if defined (__MINGW32__)
|
|
|
1313 struct _tdirent *dirent = _treaddir ((_TDIR*)dirp);
|
|
|
1314
|
|
|
1315 if (dirent != NULL)
|
|
|
1316 {
|
|
|
1317 WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN);
|
|
|
1318 *len = strlen (buffer);
|
|
|
1319
|
|
|
1320 return buffer;
|
|
|
1321 }
|
|
|
1322 else
|
|
|
1323 return NULL;
|
|
|
1324
|
|
|
1325 #elif defined (HAVE_READDIR_R)
|
|
|
1326 /* If possible, try to use the thread-safe version. */
|
|
|
1327 if (readdir_r (dirp, buffer) != NULL)
|
|
|
1328 {
|
|
|
1329 *len = strlen (((struct dirent*) buffer)->d_name);
|
|
|
1330 return ((struct dirent*) buffer)->d_name;
|
|
|
1331 }
|
|
|
1332 else
|
|
|
1333 return NULL;
|
|
|
1334
|
|
|
1335 #else
|
|
|
1336 struct dirent *dirent = (struct dirent *) readdir (dirp);
|
|
|
1337
|
|
|
1338 if (dirent != NULL)
|
|
|
1339 {
|
|
|
1340 strcpy (buffer, dirent->d_name);
|
|
|
1341 *len = strlen (buffer);
|
|
|
1342 return buffer;
|
|
|
1343 }
|
|
|
1344 else
|
|
|
1345 return NULL;
|
|
|
1346
|
|
|
1347 #endif
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 /* Close a directory entry. */
|
|
|
1351
|
|
|
1352 int __gnat_closedir (DIR *dirp)
|
|
|
1353 {
|
|
|
1354 #if defined (__MINGW32__)
|
|
|
1355 return _tclosedir ((_TDIR*)dirp);
|
|
|
1356
|
|
|
1357 #else
|
|
|
1358 return closedir (dirp);
|
|
|
1359 #endif
|
|
|
1360 }
|
|
|
1361
|
|
|
1362 /* Returns 1 if readdir is thread safe, 0 otherwise. */
|
|
|
1363
|
|
|
1364 int
|
|
|
1365 __gnat_readdir_is_thread_safe (void)
|
|
|
1366 {
|
|
|
1367 #ifdef HAVE_READDIR_R
|
|
|
1368 return 1;
|
|
|
1369 #else
|
|
|
1370 return 0;
|
|
|
1371 #endif
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 #if defined (_WIN32)
|
|
|
1375 /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */
|
|
|
1376 static const unsigned long long w32_epoch_offset = 11644473600ULL;
|
|
|
1377
|
|
|
1378 /* Returns the file modification timestamp using Win32 routines which are
|
|
|
1379 immune against daylight saving time change. It is in fact not possible to
|
|
|
1380 use fstat for this purpose as the DST modify the st_mtime field of the
|
|
|
1381 stat structure. */
|
|
|
1382
|
|
|
1383 static time_t
|
|
|
1384 win32_filetime (HANDLE h)
|
|
|
1385 {
|
|
|
1386 union
|
|
|
1387 {
|
|
|
1388 FILETIME ft_time;
|
|
|
1389 unsigned long long ull_time;
|
|
|
1390 } t_write;
|
|
|
1391
|
|
|
1392 /* GetFileTime returns FILETIME data which are the number of 100 nanosecs
|
|
|
1393 since <Jan 1st 1601>. This function must return the number of seconds
|
|
|
1394 since <Jan 1st 1970>. */
|
|
|
1395
|
|
|
1396 if (GetFileTime (h, NULL, NULL, &t_write.ft_time))
|
|
|
1397 return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
|
|
1398 return (time_t) 0;
|
|
|
1399 }
|
|
|
1400
|
|
|
1401 /* As above but starting from a FILETIME. */
|
|
|
1402 static void
|
|
|
1403 f2t (const FILETIME *ft, __time64_t *t)
|
|
|
1404 {
|
|
|
1405 union
|
|
|
1406 {
|
|
|
1407 FILETIME ft_time;
|
|
|
1408 unsigned long long ull_time;
|
|
|
1409 } t_write;
|
|
|
1410
|
|
|
1411 t_write.ft_time = *ft;
|
|
|
1412 *t = (__time64_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset);
|
|
|
1413 }
|
|
|
1414 #endif
|
|
|
1415
|
|
|
1416 /* Return a GNAT time stamp given a file name. */
|
|
|
1417
|
|
|
1418 OS_Time
|
|
|
1419 __gnat_file_time_name_attr (char* name, struct file_attributes* attr)
|
|
|
1420 {
|
|
|
1421 if (attr->timestamp == (OS_Time)-2) {
|
|
|
1422 #if defined (_WIN32)
|
|
|
1423 BOOL res;
|
|
|
1424 WIN32_FILE_ATTRIBUTE_DATA fad;
|
|
|
1425 __time64_t ret = -1;
|
|
|
1426 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1427 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1428
|
|
|
1429 if ((res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad)))
|
|
|
1430 f2t (&fad.ftLastWriteTime, &ret);
|
|
|
1431 attr->timestamp = (OS_Time) ret;
|
|
|
1432 #else
|
|
|
1433 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1434 #endif
|
|
|
1435 }
|
|
|
1436 return attr->timestamp;
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 OS_Time
|
|
|
1440 __gnat_file_time_name (char *name)
|
|
|
1441 {
|
|
|
1442 struct file_attributes attr;
|
|
|
1443 __gnat_reset_attributes (&attr);
|
|
|
1444 return __gnat_file_time_name_attr (name, &attr);
|
|
|
1445 }
|
|
|
1446
|
|
|
1447 /* Return a GNAT time stamp given a file descriptor. */
|
|
|
1448
|
|
|
1449 OS_Time
|
|
|
1450 __gnat_file_time_fd_attr (int fd, struct file_attributes* attr)
|
|
|
1451 {
|
|
|
1452 if (attr->timestamp == (OS_Time)-2) {
|
|
|
1453 #if defined (_WIN32)
|
|
|
1454 HANDLE h = (HANDLE) _get_osfhandle (fd);
|
|
|
1455 time_t ret = win32_filetime (h);
|
|
|
1456 attr->timestamp = (OS_Time) ret;
|
|
|
1457
|
|
|
1458 #else
|
|
|
1459 __gnat_stat_to_attr (fd, NULL, attr);
|
|
|
1460 #endif
|
|
|
1461 }
|
|
|
1462
|
|
|
1463 return attr->timestamp;
|
|
|
1464 }
|
|
|
1465
|
|
|
1466 OS_Time
|
|
|
1467 __gnat_file_time_fd (int fd)
|
|
|
1468 {
|
|
|
1469 struct file_attributes attr;
|
|
|
1470 __gnat_reset_attributes (&attr);
|
|
|
1471 return __gnat_file_time_fd_attr (fd, &attr);
|
|
|
1472 }
|
|
|
1473
|
|
|
1474 /* Set the file time stamp. */
|
|
|
1475
|
|
|
1476 void
|
|
|
1477 __gnat_set_file_time_name (char *name, time_t time_stamp)
|
|
|
1478 {
|
|
|
1479 #if defined (__vxworks)
|
|
|
1480
|
|
|
1481 /* Code to implement __gnat_set_file_time_name for these systems. */
|
|
|
1482
|
|
|
1483 #elif defined (_WIN32)
|
|
|
1484 union
|
|
|
1485 {
|
|
|
1486 FILETIME ft_time;
|
|
|
1487 unsigned long long ull_time;
|
|
|
1488 } t_write;
|
|
|
1489 TCHAR wname[GNAT_MAX_PATH_LEN];
|
|
|
1490
|
|
|
1491 S2WSC (wname, name, GNAT_MAX_PATH_LEN);
|
|
|
1492
|
|
|
1493 HANDLE h = CreateFile
|
|
|
1494 (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
|
|
|
1495 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS,
|
|
|
1496 NULL);
|
|
|
1497 if (h == INVALID_HANDLE_VALUE)
|
|
|
1498 return;
|
|
|
1499 /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */
|
|
|
1500 t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset);
|
|
|
1501 /* Convert to 100 nanosecond units */
|
|
|
1502 t_write.ull_time *= 10000000ULL;
|
|
|
1503
|
|
|
1504 SetFileTime(h, NULL, NULL, &t_write.ft_time);
|
|
|
1505 CloseHandle (h);
|
|
|
1506 return;
|
|
|
1507
|
|
|
1508 #else
|
|
|
1509 struct utimbuf utimbuf;
|
|
|
1510 time_t t;
|
|
|
1511
|
|
|
1512 /* Set modification time to requested time. */
|
|
|
1513 utimbuf.modtime = time_stamp;
|
|
|
1514
|
|
|
1515 /* Set access time to now in local time. */
|
|
131
|
1516 t = time (NULL);
|
|
111
|
1517 utimbuf.actime = mktime (localtime (&t));
|
|
|
1518
|
|
|
1519 utime (name, &utimbuf);
|
|
|
1520 #endif
|
|
|
1521 }
|
|
|
1522
|
|
|
1523 /* Get the list of installed standard libraries from the
|
|
|
1524 HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries
|
|
|
1525 key. */
|
|
|
1526
|
|
|
1527 char *
|
|
|
1528 __gnat_get_libraries_from_registry (void)
|
|
|
1529 {
|
|
|
1530 char *result = (char *) xmalloc (1);
|
|
|
1531
|
|
|
1532 result[0] = '\0';
|
|
|
1533
|
|
|
1534 #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS)
|
|
|
1535
|
|
|
1536 HKEY reg_key;
|
|
|
1537 DWORD name_size, value_size;
|
|
|
1538 char name[256];
|
|
|
1539 char value[256];
|
|
|
1540 DWORD type;
|
|
|
1541 DWORD index;
|
|
|
1542 LONG res;
|
|
|
1543
|
|
|
1544 /* First open the key. */
|
|
|
1545 res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key);
|
|
|
1546
|
|
|
1547 if (res == ERROR_SUCCESS)
|
|
|
1548 res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0,
|
|
|
1549 KEY_READ, ®_key);
|
|
|
1550
|
|
|
1551 if (res == ERROR_SUCCESS)
|
|
|
1552 res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key);
|
|
|
1553
|
|
|
1554 if (res == ERROR_SUCCESS)
|
|
|
1555 res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key);
|
|
|
1556
|
|
|
1557 /* If the key exists, read out all the values in it and concatenate them
|
|
|
1558 into a path. */
|
|
|
1559 for (index = 0; res == ERROR_SUCCESS; index++)
|
|
|
1560 {
|
|
|
1561 value_size = name_size = 256;
|
|
|
1562 res = RegEnumValueA (reg_key, index, name, &name_size, 0,
|
|
|
1563 &type, (LPBYTE)value, &value_size);
|
|
|
1564
|
|
|
1565 if (res == ERROR_SUCCESS && type == REG_SZ)
|
|
|
1566 {
|
|
|
1567 char *old_result = result;
|
|
|
1568
|
|
|
1569 result = (char *) xmalloc (strlen (old_result) + value_size + 2);
|
|
|
1570 strcpy (result, old_result);
|
|
|
1571 strcat (result, value);
|
|
|
1572 strcat (result, ";");
|
|
|
1573 free (old_result);
|
|
|
1574 }
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 /* Remove the trailing ";". */
|
|
|
1578 if (result[0] != 0)
|
|
|
1579 result[strlen (result) - 1] = 0;
|
|
|
1580
|
|
|
1581 #endif
|
|
|
1582 return result;
|
|
|
1583 }
|
|
|
1584
|
|
|
1585 /* Query information for the given file NAME and return it in STATBUF.
|
|
|
1586 * Returns 0 for success, or errno value for failure.
|
|
|
1587 */
|
|
|
1588 int
|
|
|
1589 __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf)
|
|
|
1590 {
|
|
|
1591 #ifdef __MINGW32__
|
|
|
1592 WIN32_FILE_ATTRIBUTE_DATA fad;
|
|
|
1593 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1594 int name_len;
|
|
|
1595 BOOL res;
|
|
|
1596 DWORD error;
|
|
|
1597
|
|
|
1598 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1599 name_len = _tcslen (wname);
|
|
|
1600
|
|
|
1601 if (name_len > GNAT_MAX_PATH_LEN)
|
|
|
1602 return EINVAL;
|
|
|
1603
|
|
|
1604 ZeroMemory (statbuf, sizeof(GNAT_STRUCT_STAT));
|
|
|
1605
|
|
|
1606 res = GetFileAttributesEx (wname, GetFileExInfoStandard, &fad);
|
|
|
1607
|
|
|
1608 if (res == FALSE) {
|
|
|
1609 error = GetLastError();
|
|
|
1610
|
|
|
1611 /* Check file existence using GetFileAttributes() which does not fail on
|
|
|
1612 special Windows files like con:, aux:, nul: etc... */
|
|
|
1613
|
|
|
1614 if (GetFileAttributes(wname) != INVALID_FILE_ATTRIBUTES) {
|
|
|
1615 /* Just pretend that it is a regular and readable file */
|
|
|
1616 statbuf->st_mode = S_IFREG | S_IREAD | S_IWRITE;
|
|
|
1617 return 0;
|
|
|
1618 }
|
|
|
1619
|
|
|
1620 switch (error) {
|
|
|
1621 case ERROR_ACCESS_DENIED:
|
|
|
1622 case ERROR_SHARING_VIOLATION:
|
|
|
1623 case ERROR_LOCK_VIOLATION:
|
|
|
1624 case ERROR_SHARING_BUFFER_EXCEEDED:
|
|
|
1625 return EACCES;
|
|
|
1626 case ERROR_BUFFER_OVERFLOW:
|
|
|
1627 return ENAMETOOLONG;
|
|
|
1628 case ERROR_NOT_ENOUGH_MEMORY:
|
|
|
1629 return ENOMEM;
|
|
|
1630 default:
|
|
|
1631 return ENOENT;
|
|
|
1632 }
|
|
|
1633 }
|
|
|
1634
|
|
|
1635 f2t (&fad.ftCreationTime, &statbuf->st_ctime);
|
|
|
1636 f2t (&fad.ftLastWriteTime, &statbuf->st_mtime);
|
|
|
1637 f2t (&fad.ftLastAccessTime, &statbuf->st_atime);
|
|
|
1638
|
|
|
1639 statbuf->st_size =
|
|
|
1640 (__int64)fad.nFileSizeLow | (__int64)fad.nFileSizeHigh << 32;
|
|
|
1641
|
|
|
1642 /* We do not have the S_IEXEC attribute, but this is not used on GNAT. */
|
|
|
1643 statbuf->st_mode = S_IREAD;
|
|
|
1644
|
|
|
1645 if (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
|
|
1646 statbuf->st_mode |= S_IFDIR;
|
|
|
1647 else
|
|
|
1648 statbuf->st_mode |= S_IFREG;
|
|
|
1649
|
|
|
1650 if (!(fad.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
|
|
|
1651 statbuf->st_mode |= S_IWRITE;
|
|
|
1652
|
|
|
1653 return 0;
|
|
|
1654
|
|
|
1655 #else
|
|
|
1656 return GNAT_STAT (name, statbuf) == 0 ? 0 : errno;
|
|
|
1657 #endif
|
|
|
1658 }
|
|
|
1659
|
|
|
1660 /*************************************************************************
|
|
|
1661 ** Check whether a file exists
|
|
|
1662 *************************************************************************/
|
|
|
1663
|
|
|
1664 int
|
|
|
1665 __gnat_file_exists_attr (char* name, struct file_attributes* attr)
|
|
|
1666 {
|
|
|
1667 if (attr->exists == ATTR_UNSET)
|
|
|
1668 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1669
|
|
|
1670 return attr->exists;
|
|
|
1671 }
|
|
|
1672
|
|
|
1673 int
|
|
|
1674 __gnat_file_exists (char *name)
|
|
|
1675 {
|
|
|
1676 struct file_attributes attr;
|
|
|
1677 __gnat_reset_attributes (&attr);
|
|
|
1678 return __gnat_file_exists_attr (name, &attr);
|
|
|
1679 }
|
|
|
1680
|
|
|
1681 /**********************************************************************
|
|
|
1682 ** Whether name is an absolute path
|
|
|
1683 **********************************************************************/
|
|
|
1684
|
|
|
1685 int
|
|
|
1686 __gnat_is_absolute_path (char *name, int length)
|
|
|
1687 {
|
|
|
1688 #ifdef __vxworks
|
|
|
1689 /* On VxWorks systems, an absolute path can be represented (depending on
|
|
|
1690 the host platform) as either /dir/file, or device:/dir/file, or
|
|
|
1691 device:drive_letter:/dir/file. */
|
|
|
1692
|
|
|
1693 int index;
|
|
|
1694
|
|
|
1695 if (name[0] == '/')
|
|
|
1696 return 1;
|
|
|
1697
|
|
|
1698 for (index = 0; index < length; index++)
|
|
|
1699 {
|
|
|
1700 if (name[index] == ':' &&
|
|
|
1701 ((name[index + 1] == '/') ||
|
|
|
1702 (isalpha (name[index + 1]) && index + 2 <= length &&
|
|
|
1703 name[index + 2] == '/')))
|
|
|
1704 return 1;
|
|
|
1705
|
|
|
1706 else if (name[index] == '/')
|
|
|
1707 return 0;
|
|
|
1708 }
|
|
|
1709 return 0;
|
|
|
1710 #else
|
|
|
1711 return (length != 0) &&
|
|
|
1712 (*name == '/' || *name == DIR_SEPARATOR
|
|
|
1713 #if defined (WINNT) || defined(__DJGPP__)
|
|
|
1714 || (length > 1 && ISALPHA (name[0]) && name[1] == ':')
|
|
|
1715 #endif
|
|
|
1716 );
|
|
|
1717 #endif
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 int
|
|
|
1721 __gnat_is_regular_file_attr (char* name, struct file_attributes* attr)
|
|
|
1722 {
|
|
|
1723 if (attr->regular == ATTR_UNSET)
|
|
|
1724 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1725
|
|
|
1726 return attr->regular;
|
|
|
1727 }
|
|
|
1728
|
|
|
1729 int
|
|
|
1730 __gnat_is_regular_file (char *name)
|
|
|
1731 {
|
|
|
1732 struct file_attributes attr;
|
|
|
1733
|
|
|
1734 __gnat_reset_attributes (&attr);
|
|
|
1735 return __gnat_is_regular_file_attr (name, &attr);
|
|
|
1736 }
|
|
|
1737
|
|
|
1738 int
|
|
|
1739 __gnat_is_regular_file_fd (int fd)
|
|
|
1740 {
|
|
|
1741 int ret;
|
|
|
1742 GNAT_STRUCT_STAT statbuf;
|
|
|
1743
|
|
|
1744 ret = GNAT_FSTAT (fd, &statbuf);
|
|
|
1745 return (!ret && S_ISREG (statbuf.st_mode));
|
|
|
1746 }
|
|
|
1747
|
|
|
1748 int
|
|
|
1749 __gnat_is_directory_attr (char* name, struct file_attributes* attr)
|
|
|
1750 {
|
|
|
1751 if (attr->directory == ATTR_UNSET)
|
|
|
1752 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1753
|
|
|
1754 return attr->directory;
|
|
|
1755 }
|
|
|
1756
|
|
|
1757 int
|
|
|
1758 __gnat_is_directory (char *name)
|
|
|
1759 {
|
|
|
1760 struct file_attributes attr;
|
|
|
1761
|
|
|
1762 __gnat_reset_attributes (&attr);
|
|
|
1763 return __gnat_is_directory_attr (name, &attr);
|
|
|
1764 }
|
|
|
1765
|
|
|
1766 #if defined (_WIN32)
|
|
|
1767
|
|
|
1768 /* Returns the same constant as GetDriveType but takes a pathname as
|
|
|
1769 argument. */
|
|
|
1770
|
|
|
1771 static UINT
|
|
|
1772 GetDriveTypeFromPath (TCHAR *wfullpath)
|
|
|
1773 {
|
|
|
1774 TCHAR wdrv[MAX_PATH];
|
|
|
1775 TCHAR wpath[MAX_PATH];
|
|
|
1776 TCHAR wfilename[MAX_PATH];
|
|
|
1777 TCHAR wext[MAX_PATH];
|
|
|
1778
|
|
|
1779 _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext);
|
|
|
1780
|
|
|
1781 if (_tcslen (wdrv) != 0)
|
|
|
1782 {
|
|
|
1783 /* we have a drive specified. */
|
|
|
1784 _tcscat (wdrv, _T("\\"));
|
|
|
1785 return GetDriveType (wdrv);
|
|
|
1786 }
|
|
|
1787 else
|
|
|
1788 {
|
|
|
1789 /* No drive specified. */
|
|
|
1790
|
|
|
1791 /* Is this a relative path, if so get current drive type. */
|
|
|
1792 if (wpath[0] != _T('\\') ||
|
|
|
1793 (_tcslen (wpath) > 2 && wpath[0] == _T('\\')
|
|
|
1794 && wpath[1] != _T('\\')))
|
|
|
1795 return GetDriveType (NULL);
|
|
|
1796
|
|
|
1797 UINT result = GetDriveType (wpath);
|
|
|
1798
|
|
|
1799 /* Cannot guess the drive type, is this \\.\ ? */
|
|
|
1800
|
|
|
1801 if (result == DRIVE_NO_ROOT_DIR &&
|
|
|
1802 _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\')
|
|
|
1803 && wpath[2] == _T('.') && wpath[3] == _T('\\'))
|
|
|
1804 {
|
|
|
1805 if (_tcslen (wpath) == 4)
|
|
|
1806 _tcscat (wpath, wfilename);
|
|
|
1807
|
|
|
1808 LPTSTR p = &wpath[4];
|
|
|
1809 LPTSTR b = _tcschr (p, _T('\\'));
|
|
|
1810
|
|
|
1811 if (b != NULL)
|
|
|
1812 {
|
|
|
1813 /* logical drive \\.\c\dir\file */
|
|
|
1814 *b++ = _T(':');
|
|
|
1815 *b++ = _T('\\');
|
|
|
1816 *b = _T('\0');
|
|
|
1817 }
|
|
|
1818 else
|
|
|
1819 _tcscat (p, _T(":\\"));
|
|
|
1820
|
|
|
1821 return GetDriveType (p);
|
|
|
1822 }
|
|
|
1823
|
|
|
1824 return result;
|
|
|
1825 }
|
|
|
1826 }
|
|
|
1827
|
|
|
1828 /* This MingW section contains code to work with ACL. */
|
|
|
1829 static int
|
|
|
1830 __gnat_check_OWNER_ACL (TCHAR *wname,
|
|
|
1831 DWORD CheckAccessDesired,
|
|
|
1832 GENERIC_MAPPING CheckGenericMapping)
|
|
|
1833 {
|
|
|
1834 DWORD dwAccessDesired, dwAccessAllowed;
|
|
|
1835 PRIVILEGE_SET PrivilegeSet;
|
|
|
1836 DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET);
|
|
|
1837 BOOL fAccessGranted = FALSE;
|
|
|
1838 HANDLE hToken = NULL;
|
|
|
1839 DWORD nLength = 0;
|
|
|
1840 PSECURITY_DESCRIPTOR pSD = NULL;
|
|
|
1841
|
|
|
1842 GetFileSecurity
|
|
|
1843 (wname, OWNER_SECURITY_INFORMATION |
|
|
|
1844 GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
|
|
1845 NULL, 0, &nLength);
|
|
|
1846
|
|
|
1847 if ((pSD = (SECURITY_DESCRIPTOR *) HeapAlloc
|
|
|
1848 (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL)
|
|
|
1849 return 0;
|
|
|
1850
|
|
|
1851 /* Obtain the security descriptor. */
|
|
|
1852
|
|
|
1853 if (!GetFileSecurity
|
|
|
1854 (wname, OWNER_SECURITY_INFORMATION |
|
|
|
1855 GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION,
|
|
|
1856 pSD, nLength, &nLength))
|
|
|
1857 goto error;
|
|
|
1858
|
|
|
1859 if (!ImpersonateSelf (SecurityImpersonation))
|
|
|
1860 goto error;
|
|
|
1861
|
|
|
1862 if (!OpenThreadToken
|
|
|
1863 (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken))
|
|
|
1864 goto error;
|
|
|
1865
|
|
|
1866 /* Undoes the effect of ImpersonateSelf. */
|
|
|
1867
|
|
|
1868 RevertToSelf ();
|
|
|
1869
|
|
|
1870 /* We want to test for write permissions. */
|
|
|
1871
|
|
|
1872 dwAccessDesired = CheckAccessDesired;
|
|
|
1873
|
|
|
1874 MapGenericMask (&dwAccessDesired, &CheckGenericMapping);
|
|
|
1875
|
|
|
1876 if (!AccessCheck
|
|
|
1877 (pSD , /* security descriptor to check */
|
|
|
1878 hToken, /* impersonation token */
|
|
|
1879 dwAccessDesired, /* requested access rights */
|
|
|
1880 &CheckGenericMapping, /* pointer to GENERIC_MAPPING */
|
|
|
1881 &PrivilegeSet, /* receives privileges used in check */
|
|
|
1882 &dwPrivSetSize, /* size of PrivilegeSet buffer */
|
|
|
1883 &dwAccessAllowed, /* receives mask of allowed access rights */
|
|
|
1884 &fAccessGranted))
|
|
|
1885 goto error;
|
|
|
1886
|
|
|
1887 CloseHandle (hToken);
|
|
|
1888 HeapFree (GetProcessHeap (), 0, pSD);
|
|
|
1889 return fAccessGranted;
|
|
|
1890
|
|
|
1891 error:
|
|
|
1892 if (hToken)
|
|
|
1893 CloseHandle (hToken);
|
|
|
1894 HeapFree (GetProcessHeap (), 0, pSD);
|
|
|
1895 return 0;
|
|
|
1896 }
|
|
|
1897
|
|
|
1898 static void
|
|
|
1899 __gnat_set_OWNER_ACL (TCHAR *wname,
|
|
|
1900 ACCESS_MODE AccessMode,
|
|
|
1901 DWORD AccessPermissions)
|
|
|
1902 {
|
|
|
1903 PACL pOldDACL = NULL;
|
|
|
1904 PACL pNewDACL = NULL;
|
|
|
1905 PSECURITY_DESCRIPTOR pSD = NULL;
|
|
|
1906 EXPLICIT_ACCESS ea;
|
|
|
1907 TCHAR username [100];
|
|
|
1908 DWORD unsize = 100;
|
|
|
1909
|
|
|
1910 /* Get current user, he will act as the owner */
|
|
|
1911
|
|
|
1912 if (!GetUserName (username, &unsize))
|
|
|
1913 return;
|
|
|
1914
|
|
|
1915 if (GetNamedSecurityInfo
|
|
|
1916 (wname,
|
|
|
1917 SE_FILE_OBJECT,
|
|
|
1918 DACL_SECURITY_INFORMATION,
|
|
|
1919 NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS)
|
|
|
1920 return;
|
|
|
1921
|
|
|
1922 BuildExplicitAccessWithName
|
|
|
1923 (&ea, username, AccessPermissions, (ACCESS_MODE) AccessMode, NO_INHERITANCE);
|
|
|
1924
|
|
|
1925 if (AccessMode == SET_ACCESS)
|
|
|
1926 {
|
|
|
1927 /* SET_ACCESS, we want to set an explicte set of permissions, do not
|
|
|
1928 merge with current DACL. */
|
|
|
1929 if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS)
|
|
|
1930 return;
|
|
|
1931 }
|
|
|
1932 else
|
|
|
1933 if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS)
|
|
|
1934 return;
|
|
|
1935
|
|
|
1936 if (SetNamedSecurityInfo
|
|
|
1937 (wname, SE_FILE_OBJECT,
|
|
|
1938 DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS)
|
|
|
1939 return;
|
|
|
1940
|
|
|
1941 LocalFree (pSD);
|
|
|
1942 LocalFree (pNewDACL);
|
|
|
1943 }
|
|
|
1944
|
|
|
1945 /* Check if it is possible to use ACL for wname, the file must not be on a
|
|
|
1946 network drive. */
|
|
|
1947
|
|
|
1948 static int
|
|
|
1949 __gnat_can_use_acl (TCHAR *wname)
|
|
|
1950 {
|
|
|
1951 return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE;
|
|
|
1952 }
|
|
|
1953
|
|
|
1954 #endif /* defined (_WIN32) */
|
|
|
1955
|
|
|
1956 int
|
|
|
1957 __gnat_is_readable_file_attr (char* name, struct file_attributes* attr)
|
|
|
1958 {
|
|
|
1959 if (attr->readable == ATTR_UNSET)
|
|
|
1960 {
|
|
|
1961 #if defined (_WIN32)
|
|
|
1962 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1963 GENERIC_MAPPING GenericMapping;
|
|
|
1964
|
|
|
1965 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1966
|
|
|
1967 if (__gnat_can_use_acl (wname))
|
|
|
1968 {
|
|
|
1969 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
1970 GenericMapping.GenericRead = GENERIC_READ;
|
|
|
1971 attr->readable =
|
|
|
1972 __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping);
|
|
|
1973 }
|
|
|
1974 else
|
|
|
1975 attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES;
|
|
|
1976 #else
|
|
|
1977 __gnat_stat_to_attr (-1, name, attr);
|
|
|
1978 #endif
|
|
|
1979 }
|
|
|
1980
|
|
|
1981 return attr->readable;
|
|
|
1982 }
|
|
|
1983
|
|
|
1984 int
|
|
|
1985 __gnat_is_read_accessible_file (char *name)
|
|
|
1986 {
|
|
|
1987 #if defined (_WIN32)
|
|
|
1988 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
1989
|
|
|
1990 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
1991
|
|
|
1992 return !_waccess (wname, 4);
|
|
|
1993
|
|
|
1994 #elif defined (__vxworks)
|
|
|
1995 int fd;
|
|
|
1996
|
|
|
1997 if ((fd = open (name, O_RDONLY, 0)) < 0)
|
|
|
1998 return 0;
|
|
|
1999 close (fd);
|
|
|
2000 return 1;
|
|
|
2001
|
|
|
2002 #else
|
|
|
2003 return !access (name, R_OK);
|
|
|
2004 #endif
|
|
|
2005 }
|
|
|
2006
|
|
|
2007 int
|
|
|
2008 __gnat_is_readable_file (char *name)
|
|
|
2009 {
|
|
|
2010 struct file_attributes attr;
|
|
|
2011
|
|
|
2012 __gnat_reset_attributes (&attr);
|
|
|
2013 return __gnat_is_readable_file_attr (name, &attr);
|
|
|
2014 }
|
|
|
2015
|
|
|
2016 int
|
|
|
2017 __gnat_is_writable_file_attr (char* name, struct file_attributes* attr)
|
|
|
2018 {
|
|
|
2019 if (attr->writable == ATTR_UNSET)
|
|
|
2020 {
|
|
|
2021 #if defined (_WIN32)
|
|
|
2022 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2023 GENERIC_MAPPING GenericMapping;
|
|
|
2024
|
|
|
2025 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2026
|
|
|
2027 if (__gnat_can_use_acl (wname))
|
|
|
2028 {
|
|
|
2029 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
2030 GenericMapping.GenericWrite = GENERIC_WRITE;
|
|
|
2031
|
|
|
2032 attr->writable = __gnat_check_OWNER_ACL
|
|
|
2033 (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping)
|
|
|
2034 && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
|
|
2035 }
|
|
|
2036 else
|
|
|
2037 attr->writable =
|
|
|
2038 !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY);
|
|
|
2039
|
|
|
2040 #else
|
|
|
2041 __gnat_stat_to_attr (-1, name, attr);
|
|
|
2042 #endif
|
|
|
2043 }
|
|
|
2044
|
|
|
2045 return attr->writable;
|
|
|
2046 }
|
|
|
2047
|
|
|
2048 int
|
|
|
2049 __gnat_is_writable_file (char *name)
|
|
|
2050 {
|
|
|
2051 struct file_attributes attr;
|
|
|
2052
|
|
|
2053 __gnat_reset_attributes (&attr);
|
|
|
2054 return __gnat_is_writable_file_attr (name, &attr);
|
|
|
2055 }
|
|
|
2056
|
|
|
2057 int
|
|
|
2058 __gnat_is_write_accessible_file (char *name)
|
|
|
2059 {
|
|
|
2060 #if defined (_WIN32)
|
|
|
2061 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2062
|
|
|
2063 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2064
|
|
|
2065 return !_waccess (wname, 2);
|
|
|
2066
|
|
|
2067 #elif defined (__vxworks)
|
|
|
2068 int fd;
|
|
|
2069
|
|
|
2070 if ((fd = open (name, O_WRONLY, 0)) < 0)
|
|
|
2071 return 0;
|
|
|
2072 close (fd);
|
|
|
2073 return 1;
|
|
|
2074
|
|
|
2075 #else
|
|
|
2076 return !access (name, W_OK);
|
|
|
2077 #endif
|
|
|
2078 }
|
|
|
2079
|
|
|
2080 int
|
|
|
2081 __gnat_is_executable_file_attr (char* name, struct file_attributes* attr)
|
|
|
2082 {
|
|
|
2083 if (attr->executable == ATTR_UNSET)
|
|
|
2084 {
|
|
|
2085 #if defined (_WIN32)
|
|
|
2086 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2087 GENERIC_MAPPING GenericMapping;
|
|
|
2088
|
|
|
2089 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2090
|
|
|
2091 if (__gnat_can_use_acl (wname))
|
|
|
2092 {
|
|
|
2093 ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING));
|
|
|
2094 GenericMapping.GenericExecute = GENERIC_EXECUTE;
|
|
|
2095
|
|
|
2096 attr->executable =
|
|
|
2097 __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping);
|
|
|
2098 }
|
|
|
2099 else
|
|
|
2100 {
|
|
|
2101 TCHAR *l, *last = _tcsstr(wname, _T(".exe"));
|
|
|
2102
|
|
|
2103 /* look for last .exe */
|
|
|
2104 if (last)
|
|
|
2105 while ((l = _tcsstr(last+1, _T(".exe"))))
|
|
|
2106 last = l;
|
|
|
2107
|
|
|
2108 attr->executable =
|
|
|
2109 GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES
|
|
|
2110 && (last - wname) == (int) (_tcslen (wname) - 4);
|
|
|
2111 }
|
|
|
2112 #else
|
|
|
2113 __gnat_stat_to_attr (-1, name, attr);
|
|
|
2114 #endif
|
|
|
2115 }
|
|
|
2116
|
|
|
2117 return attr->regular && attr->executable;
|
|
|
2118 }
|
|
|
2119
|
|
|
2120 int
|
|
|
2121 __gnat_is_executable_file (char *name)
|
|
|
2122 {
|
|
|
2123 struct file_attributes attr;
|
|
|
2124
|
|
|
2125 __gnat_reset_attributes (&attr);
|
|
|
2126 return __gnat_is_executable_file_attr (name, &attr);
|
|
|
2127 }
|
|
|
2128
|
|
|
2129 void
|
|
|
2130 __gnat_set_writable (char *name)
|
|
|
2131 {
|
|
|
2132 #if defined (_WIN32)
|
|
|
2133 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2134
|
|
|
2135 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2136
|
|
|
2137 if (__gnat_can_use_acl (wname))
|
|
|
2138 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE);
|
|
|
2139
|
|
|
2140 SetFileAttributes
|
|
|
2141 (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY);
|
|
|
2142 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2143 GNAT_STRUCT_STAT statbuf;
|
|
|
2144
|
|
|
2145 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2146 {
|
|
|
2147 statbuf.st_mode = statbuf.st_mode | S_IWUSR;
|
|
|
2148 chmod (name, statbuf.st_mode);
|
|
|
2149 }
|
|
|
2150 #endif
|
|
|
2151 }
|
|
|
2152
|
|
|
2153 /* must match definition in s-os_lib.ads */
|
|
|
2154 #define S_OWNER 1
|
|
|
2155 #define S_GROUP 2
|
|
|
2156 #define S_OTHERS 4
|
|
|
2157
|
|
|
2158 void
|
|
|
2159 __gnat_set_executable (char *name, int mode ATTRIBUTE_UNUSED)
|
|
|
2160 {
|
|
|
2161 #if defined (_WIN32)
|
|
|
2162 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2163
|
|
|
2164 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2165
|
|
|
2166 if (__gnat_can_use_acl (wname))
|
|
|
2167 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE);
|
|
|
2168
|
|
|
2169 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2170 GNAT_STRUCT_STAT statbuf;
|
|
|
2171
|
|
|
2172 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2173 {
|
|
|
2174 if (mode & S_OWNER)
|
|
|
2175 statbuf.st_mode = statbuf.st_mode | S_IXUSR;
|
|
|
2176 if (mode & S_GROUP)
|
|
|
2177 statbuf.st_mode = statbuf.st_mode | S_IXGRP;
|
|
|
2178 if (mode & S_OTHERS)
|
|
|
2179 statbuf.st_mode = statbuf.st_mode | S_IXOTH;
|
|
|
2180 chmod (name, statbuf.st_mode);
|
|
|
2181 }
|
|
|
2182 #endif
|
|
|
2183 }
|
|
|
2184
|
|
|
2185 void
|
|
|
2186 __gnat_set_non_writable (char *name)
|
|
|
2187 {
|
|
|
2188 #if defined (_WIN32)
|
|
|
2189 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2190
|
|
|
2191 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2192
|
|
|
2193 if (__gnat_can_use_acl (wname))
|
|
|
2194 __gnat_set_OWNER_ACL
|
|
|
2195 (wname, DENY_ACCESS,
|
|
|
2196 FILE_WRITE_DATA | FILE_APPEND_DATA |
|
|
|
2197 FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES);
|
|
|
2198
|
|
|
2199 SetFileAttributes
|
|
|
2200 (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY);
|
|
|
2201 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2202 GNAT_STRUCT_STAT statbuf;
|
|
|
2203
|
|
|
2204 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2205 {
|
|
|
2206 statbuf.st_mode = statbuf.st_mode & 07577;
|
|
|
2207 chmod (name, statbuf.st_mode);
|
|
|
2208 }
|
|
|
2209 #endif
|
|
|
2210 }
|
|
|
2211
|
|
|
2212 void
|
|
|
2213 __gnat_set_readable (char *name)
|
|
|
2214 {
|
|
|
2215 #if defined (_WIN32)
|
|
|
2216 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2217
|
|
|
2218 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2219
|
|
|
2220 if (__gnat_can_use_acl (wname))
|
|
|
2221 __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ);
|
|
|
2222
|
|
|
2223 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2224 GNAT_STRUCT_STAT statbuf;
|
|
|
2225
|
|
|
2226 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2227 {
|
|
|
2228 chmod (name, statbuf.st_mode | S_IREAD);
|
|
|
2229 }
|
|
|
2230 #endif
|
|
|
2231 }
|
|
|
2232
|
|
|
2233 void
|
|
|
2234 __gnat_set_non_readable (char *name)
|
|
|
2235 {
|
|
|
2236 #if defined (_WIN32)
|
|
|
2237 TCHAR wname [GNAT_MAX_PATH_LEN + 2];
|
|
|
2238
|
|
|
2239 S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2);
|
|
|
2240
|
|
|
2241 if (__gnat_can_use_acl (wname))
|
|
|
2242 __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ);
|
|
|
2243
|
|
|
2244 #elif ! (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
2245 GNAT_STRUCT_STAT statbuf;
|
|
|
2246
|
|
|
2247 if (GNAT_STAT (name, &statbuf) == 0)
|
|
|
2248 {
|
|
|
2249 chmod (name, statbuf.st_mode & (~S_IREAD));
|
|
|
2250 }
|
|
|
2251 #endif
|
|
|
2252 }
|
|
|
2253
|
|
|
2254 int
|
|
|
2255 __gnat_is_symbolic_link_attr (char* name ATTRIBUTE_UNUSED,
|
|
|
2256 struct file_attributes* attr)
|
|
|
2257 {
|
|
|
2258 if (attr->symbolic_link == ATTR_UNSET)
|
|
|
2259 {
|
|
|
2260 #if defined (__vxworks)
|
|
|
2261 attr->symbolic_link = 0;
|
|
|
2262
|
|
|
2263 #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__)
|
|
|
2264 int ret;
|
|
|
2265 GNAT_STRUCT_STAT statbuf;
|
|
|
2266 ret = GNAT_LSTAT (name, &statbuf);
|
|
|
2267 attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode));
|
|
|
2268 #else
|
|
|
2269 attr->symbolic_link = 0;
|
|
|
2270 #endif
|
|
|
2271 }
|
|
|
2272 return attr->symbolic_link;
|
|
|
2273 }
|
|
|
2274
|
|
|
2275 int
|
|
|
2276 __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED)
|
|
|
2277 {
|
|
|
2278 struct file_attributes attr;
|
|
|
2279
|
|
|
2280 __gnat_reset_attributes (&attr);
|
|
|
2281 return __gnat_is_symbolic_link_attr (name, &attr);
|
|
|
2282 }
|
|
|
2283
|
|
|
2284 #if defined (__sun__)
|
|
|
2285 /* Using fork on Solaris will duplicate all the threads. fork1, which
|
|
|
2286 duplicates only the active thread, must be used instead, or spawning
|
|
|
2287 subprocess from a program with tasking will lead into numerous problems. */
|
|
|
2288 #define fork fork1
|
|
|
2289 #endif
|
|
|
2290
|
|
|
2291 int
|
|
|
2292 __gnat_portable_spawn (char *args[] ATTRIBUTE_UNUSED)
|
|
|
2293 {
|
|
|
2294 int status ATTRIBUTE_UNUSED = 0;
|
|
|
2295 int finished ATTRIBUTE_UNUSED;
|
|
|
2296 int pid ATTRIBUTE_UNUSED;
|
|
|
2297
|
|
|
2298 #if defined (__vxworks) || defined(__PikeOS__)
|
|
|
2299 return -1;
|
|
|
2300
|
|
|
2301 #elif defined (__DJGPP__) || defined (_WIN32)
|
|
|
2302 /* args[0] must be quotes as it could contain a full pathname with spaces */
|
|
|
2303 char *args_0 = args[0];
|
|
|
2304 args[0] = (char *)xmalloc (strlen (args_0) + 3);
|
|
|
2305 strcpy (args[0], "\"");
|
|
|
2306 strcat (args[0], args_0);
|
|
|
2307 strcat (args[0], "\"");
|
|
|
2308
|
|
|
2309 status = spawnvp (P_WAIT, args_0, (char ** const)args);
|
|
|
2310
|
|
|
2311 /* restore previous value */
|
|
|
2312 free (args[0]);
|
|
|
2313 args[0] = (char *)args_0;
|
|
|
2314
|
|
|
2315 if (status < 0)
|
|
|
2316 return -1;
|
|
|
2317 else
|
|
|
2318 return status;
|
|
|
2319
|
|
|
2320 #else
|
|
|
2321
|
|
|
2322 pid = fork ();
|
|
|
2323 if (pid < 0)
|
|
|
2324 return -1;
|
|
|
2325
|
|
|
2326 if (pid == 0)
|
|
|
2327 {
|
|
|
2328 /* The child. */
|
|
|
2329 if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
|
|
2330 _exit (1);
|
|
|
2331 }
|
|
|
2332
|
|
|
2333 /* The parent. */
|
|
|
2334 finished = waitpid (pid, &status, 0);
|
|
|
2335
|
|
|
2336 if (finished != pid || WIFEXITED (status) == 0)
|
|
|
2337 return -1;
|
|
|
2338
|
|
|
2339 return WEXITSTATUS (status);
|
|
|
2340 #endif
|
|
|
2341
|
|
|
2342 return 0;
|
|
|
2343 }
|
|
|
2344
|
|
|
2345 /* Create a copy of the given file descriptor.
|
|
|
2346 Return -1 if an error occurred. */
|
|
|
2347
|
|
|
2348 int
|
|
|
2349 __gnat_dup (int oldfd)
|
|
|
2350 {
|
|
|
2351 #if defined (__vxworks) && !defined (__RTP__)
|
|
|
2352 /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
|
|
2353 RTPs. */
|
|
|
2354 return -1;
|
|
|
2355 #else
|
|
|
2356 return dup (oldfd);
|
|
|
2357 #endif
|
|
|
2358 }
|
|
|
2359
|
|
|
2360 /* Make newfd be the copy of oldfd, closing newfd first if necessary.
|
|
|
2361 Return -1 if an error occurred. */
|
|
|
2362
|
|
|
2363 int
|
|
|
2364 __gnat_dup2 (int oldfd ATTRIBUTE_UNUSED, int newfd ATTRIBUTE_UNUSED)
|
|
|
2365 {
|
|
|
2366 #if defined (__vxworks) && !defined (__RTP__)
|
|
|
2367 /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using
|
|
|
2368 RTPs. */
|
|
|
2369 return -1;
|
|
|
2370 #elif defined (__PikeOS__)
|
|
|
2371 /* Not supported. */
|
|
|
2372 return -1;
|
|
|
2373 #elif defined (_WIN32)
|
|
|
2374 /* Special case when oldfd and newfd are identical and are the standard
|
|
|
2375 input, output or error as this makes Windows XP hangs. Note that we
|
|
|
2376 do that only for standard file descriptors that are known to be valid. */
|
|
|
2377 if (oldfd == newfd && newfd >= 0 && newfd <= 2)
|
|
|
2378 return newfd;
|
|
|
2379 else
|
|
|
2380 return dup2 (oldfd, newfd);
|
|
|
2381 #else
|
|
|
2382 return dup2 (oldfd, newfd);
|
|
|
2383 #endif
|
|
|
2384 }
|
|
|
2385
|
|
|
2386 int
|
|
|
2387 __gnat_number_of_cpus (void)
|
|
|
2388 {
|
|
|
2389 int cores = 1;
|
|
|
2390
|
|
|
2391 #if defined (__linux__) || defined (__sun__) || defined (_AIX) \
|
|
|
2392 || defined (__APPLE__) || defined (__FreeBSD__) || defined (__OpenBSD__) \
|
|
|
2393 || defined (__DragonFly__) || defined (__NetBSD__)
|
|
|
2394 cores = (int) sysconf (_SC_NPROCESSORS_ONLN);
|
|
|
2395
|
|
131
|
2396 #elif defined (__QNX__)
|
|
|
2397 cores = (int) _syspage_ptr->num_cpu;
|
|
|
2398
|
|
111
|
2399 #elif defined (__hpux__)
|
|
|
2400 struct pst_dynamic psd;
|
|
|
2401 if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1)
|
|
|
2402 cores = (int) psd.psd_proc_cnt;
|
|
|
2403
|
|
|
2404 #elif defined (_WIN32)
|
|
|
2405 SYSTEM_INFO sysinfo;
|
|
|
2406 GetSystemInfo (&sysinfo);
|
|
|
2407 cores = (int) sysinfo.dwNumberOfProcessors;
|
|
|
2408
|
|
|
2409 #elif defined (_WRS_CONFIG_SMP)
|
|
|
2410 unsigned int vxCpuConfiguredGet (void);
|
|
|
2411
|
|
|
2412 cores = vxCpuConfiguredGet ();
|
|
|
2413
|
|
|
2414 #endif
|
|
|
2415
|
|
|
2416 return cores;
|
|
|
2417 }
|
|
|
2418
|
|
|
2419 /* WIN32 code to implement a wait call that wait for any child process. */
|
|
|
2420
|
|
|
2421 #if defined (_WIN32)
|
|
|
2422
|
|
|
2423 /* Synchronization code, to be thread safe. */
|
|
|
2424
|
|
|
2425 #ifdef CERT
|
|
|
2426
|
|
|
2427 /* For the Cert run times on native Windows we use dummy functions
|
|
|
2428 for locking and unlocking tasks since we do not support multiple
|
|
|
2429 threads on this configuration (Cert run time on native Windows). */
|
|
|
2430
|
|
|
2431 static void EnterCS (void) {}
|
|
|
2432 static void LeaveCS (void) {}
|
|
|
2433 static void SignalListChanged (void) {}
|
|
|
2434
|
|
|
2435 #else
|
|
|
2436
|
|
|
2437 CRITICAL_SECTION ProcListCS;
|
|
|
2438 HANDLE ProcListEvt = NULL;
|
|
|
2439
|
|
|
2440 static void EnterCS (void)
|
|
|
2441 {
|
|
|
2442 EnterCriticalSection(&ProcListCS);
|
|
|
2443 }
|
|
|
2444
|
|
|
2445 static void LeaveCS (void)
|
|
|
2446 {
|
|
|
2447 LeaveCriticalSection(&ProcListCS);
|
|
|
2448 }
|
|
|
2449
|
|
|
2450 static void SignalListChanged (void)
|
|
|
2451 {
|
|
|
2452 SetEvent (ProcListEvt);
|
|
|
2453 }
|
|
|
2454
|
|
|
2455 #endif
|
|
|
2456
|
|
|
2457 static HANDLE *HANDLES_LIST = NULL;
|
|
|
2458 static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0;
|
|
|
2459
|
|
|
2460 static void
|
|
|
2461 add_handle (HANDLE h, int pid)
|
|
|
2462 {
|
|
|
2463 /* -------------------- critical section -------------------- */
|
|
|
2464 EnterCS();
|
|
|
2465
|
|
|
2466 if (plist_length == plist_max_length)
|
|
|
2467 {
|
|
|
2468 plist_max_length += 100;
|
|
|
2469 HANDLES_LIST =
|
|
|
2470 (HANDLE *) xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length);
|
|
|
2471 PID_LIST =
|
|
|
2472 (int *) xrealloc (PID_LIST, sizeof (int) * plist_max_length);
|
|
|
2473 }
|
|
|
2474
|
|
|
2475 HANDLES_LIST[plist_length] = h;
|
|
|
2476 PID_LIST[plist_length] = pid;
|
|
|
2477 ++plist_length;
|
|
|
2478
|
|
|
2479 SignalListChanged();
|
|
|
2480 LeaveCS();
|
|
|
2481 /* -------------------- critical section -------------------- */
|
|
|
2482 }
|
|
|
2483
|
|
|
2484 int
|
|
|
2485 __gnat_win32_remove_handle (HANDLE h, int pid)
|
|
|
2486 {
|
|
|
2487 int j;
|
|
|
2488 int found = 0;
|
|
|
2489
|
|
|
2490 /* -------------------- critical section -------------------- */
|
|
|
2491 EnterCS();
|
|
|
2492
|
|
|
2493 for (j = 0; j < plist_length; j++)
|
|
|
2494 {
|
|
|
2495 if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid))
|
|
|
2496 {
|
|
|
2497 CloseHandle (h);
|
|
|
2498 --plist_length;
|
|
|
2499 HANDLES_LIST[j] = HANDLES_LIST[plist_length];
|
|
|
2500 PID_LIST[j] = PID_LIST[plist_length];
|
|
|
2501 found = 1;
|
|
|
2502 break;
|
|
|
2503 }
|
|
|
2504 }
|
|
|
2505
|
|
|
2506 LeaveCS();
|
|
|
2507 /* -------------------- critical section -------------------- */
|
|
|
2508
|
|
|
2509 if (found)
|
|
|
2510 SignalListChanged();
|
|
|
2511
|
|
|
2512 return found;
|
|
|
2513 }
|
|
|
2514
|
|
|
2515 static void
|
|
|
2516 win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid)
|
|
|
2517 {
|
|
|
2518 BOOL result;
|
|
|
2519 STARTUPINFO SI;
|
|
|
2520 PROCESS_INFORMATION PI;
|
|
|
2521 SECURITY_ATTRIBUTES SA;
|
|
|
2522 int csize = 1;
|
|
|
2523 char *full_command;
|
|
|
2524 int k;
|
|
|
2525
|
|
|
2526 /* compute the total command line length */
|
|
|
2527 k = 0;
|
|
|
2528 while (args[k])
|
|
|
2529 {
|
|
|
2530 csize += strlen (args[k]) + 1;
|
|
|
2531 k++;
|
|
|
2532 }
|
|
|
2533
|
|
|
2534 full_command = (char *) xmalloc (csize);
|
|
|
2535
|
|
|
2536 /* Startup info. */
|
|
|
2537 SI.cb = sizeof (STARTUPINFO);
|
|
|
2538 SI.lpReserved = NULL;
|
|
|
2539 SI.lpReserved2 = NULL;
|
|
|
2540 SI.lpDesktop = NULL;
|
|
|
2541 SI.cbReserved2 = 0;
|
|
|
2542 SI.lpTitle = NULL;
|
|
|
2543 SI.dwFlags = 0;
|
|
|
2544 SI.wShowWindow = SW_HIDE;
|
|
|
2545
|
|
|
2546 /* Security attributes. */
|
|
|
2547 SA.nLength = sizeof (SECURITY_ATTRIBUTES);
|
|
|
2548 SA.bInheritHandle = TRUE;
|
|
|
2549 SA.lpSecurityDescriptor = NULL;
|
|
|
2550
|
|
|
2551 /* Prepare the command string. */
|
|
|
2552 strcpy (full_command, command);
|
|
|
2553 strcat (full_command, " ");
|
|
|
2554
|
|
|
2555 k = 1;
|
|
|
2556 while (args[k])
|
|
|
2557 {
|
|
|
2558 strcat (full_command, args[k]);
|
|
|
2559 strcat (full_command, " ");
|
|
|
2560 k++;
|
|
|
2561 }
|
|
|
2562
|
|
|
2563 {
|
|
|
2564 int wsize = csize * 2;
|
|
|
2565 TCHAR *wcommand = (TCHAR *) xmalloc (wsize);
|
|
|
2566
|
|
|
2567 S2WSC (wcommand, full_command, wsize);
|
|
|
2568
|
|
|
2569 free (full_command);
|
|
|
2570
|
|
|
2571 result = CreateProcess
|
|
|
2572 (NULL, wcommand, &SA, NULL, TRUE,
|
|
|
2573 GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI);
|
|
|
2574
|
|
|
2575 free (wcommand);
|
|
|
2576 }
|
|
|
2577
|
|
|
2578 if (result == TRUE)
|
|
|
2579 {
|
|
|
2580 CloseHandle (PI.hThread);
|
|
|
2581 *h = PI.hProcess;
|
|
|
2582 *pid = PI.dwProcessId;
|
|
|
2583 }
|
|
|
2584 else
|
|
|
2585 {
|
|
|
2586 *h = NULL;
|
|
|
2587 *pid = 0;
|
|
|
2588 }
|
|
|
2589 }
|
|
|
2590
|
|
|
2591 static int
|
|
|
2592 win32_wait (int *status)
|
|
|
2593 {
|
|
|
2594 DWORD exitcode, pid;
|
|
|
2595 HANDLE *hl;
|
|
|
2596 HANDLE h;
|
|
|
2597 int *pidl;
|
|
|
2598 DWORD res;
|
|
|
2599 int hl_len;
|
|
|
2600 int found;
|
|
|
2601 int pos;
|
|
|
2602
|
|
|
2603 START_WAIT:
|
|
|
2604
|
|
|
2605 if (plist_length == 0)
|
|
|
2606 {
|
|
|
2607 errno = ECHILD;
|
|
|
2608 return -1;
|
|
|
2609 }
|
|
|
2610
|
|
|
2611 /* -------------------- critical section -------------------- */
|
|
|
2612 EnterCS();
|
|
|
2613
|
|
|
2614 /* ??? We can't wait for more than MAXIMUM_WAIT_OBJECTS due to a Win32
|
|
|
2615 limitation */
|
|
|
2616 if (plist_length < MAXIMUM_WAIT_OBJECTS)
|
|
|
2617 hl_len = plist_length;
|
|
|
2618 else
|
|
|
2619 {
|
|
|
2620 errno = EINVAL;
|
|
|
2621 return -1;
|
|
|
2622 }
|
|
|
2623
|
|
|
2624 #ifdef CERT
|
|
|
2625 hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len);
|
|
|
2626 memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len);
|
|
|
2627 pidl = (int *) xmalloc (sizeof (int) * hl_len);
|
|
|
2628 memmove (pidl, PID_LIST, sizeof (int) * hl_len);
|
|
|
2629 #else
|
|
|
2630 /* Note that index 0 contains the event handle that is signaled when the
|
|
|
2631 process list has changed */
|
|
131
|
2632 hl = (HANDLE *) xmalloc (sizeof (HANDLE) * (hl_len + 1));
|
|
111
|
2633 hl[0] = ProcListEvt;
|
|
|
2634 memmove (&hl[1], HANDLES_LIST, sizeof (HANDLE) * hl_len);
|
|
131
|
2635 pidl = (int *) xmalloc (sizeof (int) * (hl_len + 1));
|
|
111
|
2636 memmove (&pidl[1], PID_LIST, sizeof (int) * hl_len);
|
|
|
2637 hl_len++;
|
|
|
2638 #endif
|
|
|
2639
|
|
|
2640 LeaveCS();
|
|
|
2641 /* -------------------- critical section -------------------- */
|
|
|
2642
|
|
|
2643 res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE);
|
|
|
2644
|
|
|
2645 /* If there was an error, exit now */
|
|
|
2646 if (res == WAIT_FAILED)
|
|
|
2647 {
|
|
131
|
2648 free (hl);
|
|
|
2649 free (pidl);
|
|
111
|
2650 errno = EINVAL;
|
|
|
2651 return -1;
|
|
|
2652 }
|
|
|
2653
|
|
|
2654 /* if the ProcListEvt has been signaled then the list of processes has been
|
|
|
2655 updated to add or remove a handle, just loop over */
|
|
|
2656
|
|
|
2657 if (res - WAIT_OBJECT_0 == 0)
|
|
|
2658 {
|
|
|
2659 free (hl);
|
|
|
2660 free (pidl);
|
|
|
2661 goto START_WAIT;
|
|
|
2662 }
|
|
|
2663
|
|
|
2664 /* Handle two distinct groups of return codes: finished waits and abandoned
|
|
|
2665 waits */
|
|
|
2666
|
|
|
2667 if (res < WAIT_ABANDONED_0)
|
|
|
2668 pos = res - WAIT_OBJECT_0;
|
|
|
2669 else
|
|
|
2670 pos = res - WAIT_ABANDONED_0;
|
|
|
2671
|
|
|
2672 h = hl[pos];
|
|
|
2673 GetExitCodeProcess (h, &exitcode);
|
|
|
2674 pid = pidl [pos];
|
|
|
2675
|
|
|
2676 found = __gnat_win32_remove_handle (h, -1);
|
|
|
2677
|
|
|
2678 free (hl);
|
|
|
2679 free (pidl);
|
|
|
2680
|
|
|
2681 /* if not found another process waiting has already handled this process */
|
|
|
2682
|
|
|
2683 if (!found)
|
|
|
2684 {
|
|
|
2685 goto START_WAIT;
|
|
|
2686 }
|
|
|
2687
|
|
|
2688 *status = (int) exitcode;
|
|
|
2689 return (int) pid;
|
|
|
2690 }
|
|
|
2691
|
|
|
2692 #endif
|
|
|
2693
|
|
|
2694 int
|
|
|
2695 __gnat_portable_no_block_spawn (char *args[] ATTRIBUTE_UNUSED)
|
|
|
2696 {
|
|
|
2697
|
|
|
2698 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2699 /* Not supported. */
|
|
|
2700 return -1;
|
|
|
2701
|
|
|
2702 #elif defined(__DJGPP__)
|
|
|
2703 if (spawnvp (P_WAIT, args[0], args) != 0)
|
|
|
2704 return -1;
|
|
|
2705 else
|
|
|
2706 return 0;
|
|
|
2707
|
|
|
2708 #elif defined (_WIN32)
|
|
|
2709
|
|
|
2710 HANDLE h = NULL;
|
|
|
2711 int pid;
|
|
|
2712
|
|
|
2713 win32_no_block_spawn (args[0], args, &h, &pid);
|
|
|
2714 if (h != NULL)
|
|
|
2715 {
|
|
|
2716 add_handle (h, pid);
|
|
|
2717 return pid;
|
|
|
2718 }
|
|
|
2719 else
|
|
|
2720 return -1;
|
|
|
2721
|
|
|
2722 #else
|
|
|
2723
|
|
|
2724 int pid = fork ();
|
|
|
2725
|
|
|
2726 if (pid == 0)
|
|
|
2727 {
|
|
|
2728 /* The child. */
|
|
|
2729 if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0)
|
|
|
2730 _exit (1);
|
|
|
2731 }
|
|
|
2732
|
|
|
2733 return pid;
|
|
|
2734
|
|
|
2735 #endif
|
|
|
2736 }
|
|
|
2737
|
|
|
2738 int
|
|
|
2739 __gnat_portable_wait (int *process_status)
|
|
|
2740 {
|
|
|
2741 int status = 0;
|
|
|
2742 int pid = 0;
|
|
|
2743
|
|
|
2744 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2745 /* Not sure what to do here, so do nothing but return zero. */
|
|
|
2746
|
|
|
2747 #elif defined (_WIN32)
|
|
|
2748
|
|
|
2749 pid = win32_wait (&status);
|
|
|
2750
|
|
|
2751 #elif defined (__DJGPP__)
|
|
|
2752 /* Child process has already ended in case of DJGPP.
|
|
|
2753 No need to do anything. Just return success. */
|
|
|
2754 #else
|
|
|
2755
|
|
|
2756 pid = waitpid (-1, &status, 0);
|
|
|
2757 status = status & 0xffff;
|
|
|
2758 #endif
|
|
|
2759
|
|
|
2760 *process_status = status;
|
|
|
2761 return pid;
|
|
|
2762 }
|
|
|
2763
|
|
|
2764 int
|
|
|
2765 __gnat_portable_no_block_wait (int *process_status)
|
|
|
2766 {
|
|
|
2767 int status = 0;
|
|
|
2768 int pid = 0;
|
|
|
2769
|
|
|
2770 #if defined (__vxworks) || defined (__PikeOS__) || defined (_WIN32)
|
|
|
2771 /* Not supported. */
|
|
|
2772 status = -1;
|
|
|
2773
|
|
|
2774 #else
|
|
|
2775
|
|
|
2776 pid = waitpid (-1, &status, WNOHANG);
|
|
|
2777 status = status & 0xffff;
|
|
|
2778 #endif
|
|
|
2779
|
|
|
2780 *process_status = status;
|
|
|
2781 return pid;
|
|
|
2782 }
|
|
|
2783
|
|
|
2784 void
|
|
|
2785 __gnat_os_exit (int status)
|
|
|
2786 {
|
|
|
2787 exit (status);
|
|
|
2788 }
|
|
|
2789
|
|
|
2790 int
|
|
|
2791 __gnat_current_process_id (void)
|
|
|
2792 {
|
|
|
2793 #if defined (__vxworks) || defined (__PikeOS__)
|
|
|
2794 return -1;
|
|
|
2795
|
|
|
2796 #elif defined (_WIN32)
|
|
|
2797
|
|
|
2798 return (int)GetCurrentProcessId();
|
|
|
2799
|
|
|
2800 #else
|
|
|
2801
|
|
|
2802 return (int)getpid();
|
|
|
2803 #endif
|
|
|
2804 }
|
|
|
2805
|
|
|
2806 /* Locate file on path, that matches a predicate */
|
|
|
2807
|
|
|
2808 char *
|
|
|
2809 __gnat_locate_file_with_predicate (char *file_name, char *path_val,
|
|
|
2810 int (*predicate)(char *))
|
|
|
2811 {
|
|
|
2812 char *ptr;
|
|
|
2813 char *file_path = (char *) alloca (strlen (file_name) + 1);
|
|
|
2814 int absolute;
|
|
|
2815
|
|
|
2816 /* Return immediately if file_name is empty */
|
|
|
2817
|
|
|
2818 if (*file_name == '\0')
|
|
|
2819 return 0;
|
|
|
2820
|
|
|
2821 /* Remove quotes around file_name if present */
|
|
|
2822
|
|
|
2823 ptr = file_name;
|
|
|
2824 if (*ptr == '"')
|
|
|
2825 ptr++;
|
|
|
2826
|
|
|
2827 strcpy (file_path, ptr);
|
|
|
2828
|
|
|
2829 ptr = file_path + strlen (file_path) - 1;
|
|
|
2830
|
|
|
2831 if (*ptr == '"')
|
|
|
2832 *ptr = '\0';
|
|
|
2833
|
|
|
2834 /* Handle absolute pathnames. */
|
|
|
2835
|
|
|
2836 absolute = __gnat_is_absolute_path (file_path, strlen (file_name));
|
|
|
2837
|
|
|
2838 if (absolute)
|
|
|
2839 {
|
|
|
2840 if (predicate (file_path))
|
|
|
2841 return xstrdup (file_path);
|
|
|
2842
|
|
|
2843 return 0;
|
|
|
2844 }
|
|
|
2845
|
|
|
2846 /* If file_name include directory separator(s), try it first as
|
|
|
2847 a path name relative to the current directory */
|
|
|
2848 for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++)
|
|
|
2849 ;
|
|
|
2850
|
|
|
2851 if (*ptr != 0)
|
|
|
2852 {
|
|
|
2853 if (predicate (file_name))
|
|
|
2854 return xstrdup (file_name);
|
|
|
2855 }
|
|
|
2856
|
|
|
2857 if (path_val == 0)
|
|
|
2858 return 0;
|
|
|
2859
|
|
|
2860 {
|
|
|
2861 /* The result has to be smaller than path_val + file_name. */
|
|
|
2862 char *file_path =
|
|
|
2863 (char *) alloca (strlen (path_val) + strlen (file_name) + 2);
|
|
|
2864
|
|
|
2865 for (;;)
|
|
|
2866 {
|
|
|
2867 /* Skip the starting quote */
|
|
|
2868
|
|
|
2869 if (*path_val == '"')
|
|
|
2870 path_val++;
|
|
|
2871
|
|
|
2872 for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; )
|
|
|
2873 *ptr++ = *path_val++;
|
|
|
2874
|
|
|
2875 /* If directory is empty, it is the current directory*/
|
|
|
2876
|
|
|
2877 if (ptr == file_path)
|
|
|
2878 {
|
|
|
2879 *ptr = '.';
|
|
|
2880 }
|
|
|
2881 else
|
|
|
2882 ptr--;
|
|
|
2883
|
|
|
2884 /* Skip the ending quote */
|
|
|
2885
|
|
|
2886 if (*ptr == '"')
|
|
|
2887 ptr--;
|
|
|
2888
|
|
|
2889 if (*ptr != '/' && *ptr != DIR_SEPARATOR)
|
|
|
2890 *++ptr = DIR_SEPARATOR;
|
|
|
2891
|
|
|
2892 strcpy (++ptr, file_name);
|
|
|
2893
|
|
|
2894 if (predicate (file_path))
|
|
|
2895 return xstrdup (file_path);
|
|
|
2896
|
|
|
2897 if (*path_val == 0)
|
|
|
2898 return 0;
|
|
|
2899
|
|
|
2900 /* Skip path separator */
|
|
|
2901
|
|
|
2902 path_val++;
|
|
|
2903 }
|
|
|
2904 }
|
|
|
2905
|
|
|
2906 return 0;
|
|
|
2907 }
|
|
|
2908
|
|
|
2909 /* Locate an executable file, give a Path value. */
|
|
|
2910
|
|
|
2911 char *
|
|
|
2912 __gnat_locate_executable_file (char *file_name, char *path_val)
|
|
|
2913 {
|
|
|
2914 return __gnat_locate_file_with_predicate
|
|
|
2915 (file_name, path_val, &__gnat_is_executable_file);
|
|
|
2916 }
|
|
|
2917
|
|
|
2918 /* Locate a regular file, give a Path value. */
|
|
|
2919
|
|
|
2920 char *
|
|
|
2921 __gnat_locate_regular_file (char *file_name, char *path_val)
|
|
|
2922 {
|
|
|
2923 return __gnat_locate_file_with_predicate
|
|
|
2924 (file_name, path_val, &__gnat_is_regular_file);
|
|
|
2925 }
|
|
|
2926
|
|
|
2927 /* Locate an executable given a Path argument. This routine is only used by
|
|
|
2928 gnatbl and should not be used otherwise. Use locate_exec_on_path
|
|
|
2929 instead. */
|
|
|
2930
|
|
|
2931 char *
|
|
|
2932 __gnat_locate_exec (char *exec_name, char *path_val)
|
|
|
2933 {
|
|
131
|
2934 const unsigned int len = strlen (HOST_EXECUTABLE_SUFFIX);
|
|
111
|
2935 char *ptr;
|
|
131
|
2936
|
|
|
2937 if (len > 0 && !strstr (exec_name, HOST_EXECUTABLE_SUFFIX))
|
|
111
|
2938 {
|
|
131
|
2939 char *full_exec_name = (char *) alloca (strlen (exec_name) + len + 1);
|
|
111
|
2940
|
|
|
2941 strcpy (full_exec_name, exec_name);
|
|
|
2942 strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX);
|
|
|
2943 ptr = __gnat_locate_executable_file (full_exec_name, path_val);
|
|
|
2944
|
|
|
2945 if (ptr == 0)
|
|
|
2946 return __gnat_locate_executable_file (exec_name, path_val);
|
|
|
2947 return ptr;
|
|
|
2948 }
|
|
|
2949 else
|
|
|
2950 return __gnat_locate_executable_file (exec_name, path_val);
|
|
|
2951 }
|
|
|
2952
|
|
|
2953 /* Locate an executable using the Systems default PATH. */
|
|
|
2954
|
|
|
2955 char *
|
|
|
2956 __gnat_locate_exec_on_path (char *exec_name)
|
|
|
2957 {
|
|
|
2958 char *apath_val;
|
|
|
2959
|
|
|
2960 #if defined (_WIN32)
|
|
|
2961 TCHAR *wpath_val = _tgetenv (_T("PATH"));
|
|
|
2962 TCHAR *wapath_val;
|
|
|
2963 /* In Win32 systems we expand the PATH as for XP environment
|
|
|
2964 variables are not automatically expanded. We also prepend the
|
|
|
2965 ".;" to the path to match normal NT path search semantics */
|
|
|
2966
|
|
|
2967 #define EXPAND_BUFFER_SIZE 32767
|
|
|
2968
|
|
|
2969 wapath_val = (TCHAR *) alloca (EXPAND_BUFFER_SIZE);
|
|
|
2970
|
|
|
2971 wapath_val [0] = '.';
|
|
|
2972 wapath_val [1] = ';';
|
|
|
2973
|
|
|
2974 DWORD res = ExpandEnvironmentStrings
|
|
|
2975 (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2);
|
|
|
2976
|
|
|
2977 if (!res) wapath_val [0] = _T('\0');
|
|
|
2978
|
|
|
2979 apath_val = (char *) alloca (EXPAND_BUFFER_SIZE);
|
|
|
2980
|
|
|
2981 WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE);
|
|
|
2982
|
|
|
2983 #else
|
|
|
2984 const char *path_val = getenv ("PATH");
|
|
|
2985
|
|
|
2986 /* If PATH is not defined, proceed with __gnat_locate_exec anyway, so we can
|
|
|
2987 find files that contain directory names. */
|
|
|
2988
|
|
|
2989 if (path_val == NULL) path_val = "";
|
|
|
2990 apath_val = (char *) alloca (strlen (path_val) + 1);
|
|
|
2991 strcpy (apath_val, path_val);
|
|
|
2992 #endif
|
|
|
2993
|
|
|
2994 return __gnat_locate_exec (exec_name, apath_val);
|
|
|
2995 }
|
|
|
2996
|
|
|
2997 /* Dummy functions for Osint import for non-VMS systems.
|
|
|
2998 ??? To be removed. */
|
|
|
2999
|
|
|
3000 int
|
|
|
3001 __gnat_to_canonical_file_list_init (char *dirspec ATTRIBUTE_UNUSED,
|
|
|
3002 int onlydirs ATTRIBUTE_UNUSED)
|
|
|
3003 {
|
|
|
3004 return 0;
|
|
|
3005 }
|
|
|
3006
|
|
|
3007 char *
|
|
|
3008 __gnat_to_canonical_file_list_next (void)
|
|
|
3009 {
|
|
|
3010 static char empty[] = "";
|
|
|
3011 return empty;
|
|
|
3012 }
|
|
|
3013
|
|
|
3014 void
|
|
|
3015 __gnat_to_canonical_file_list_free (void)
|
|
|
3016 {
|
|
|
3017 }
|
|
|
3018
|
|
|
3019 char *
|
|
|
3020 __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
|
|
3021 {
|
|
|
3022 return dirspec;
|
|
|
3023 }
|
|
|
3024
|
|
|
3025 char *
|
|
|
3026 __gnat_to_canonical_file_spec (char *filespec)
|
|
|
3027 {
|
|
|
3028 return filespec;
|
|
|
3029 }
|
|
|
3030
|
|
|
3031 char *
|
|
|
3032 __gnat_to_canonical_path_spec (char *pathspec)
|
|
|
3033 {
|
|
|
3034 return pathspec;
|
|
|
3035 }
|
|
|
3036
|
|
|
3037 char *
|
|
|
3038 __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED)
|
|
|
3039 {
|
|
|
3040 return dirspec;
|
|
|
3041 }
|
|
|
3042
|
|
|
3043 char *
|
|
|
3044 __gnat_to_host_file_spec (char *filespec)
|
|
|
3045 {
|
|
|
3046 return filespec;
|
|
|
3047 }
|
|
|
3048
|
|
|
3049 void
|
|
|
3050 __gnat_adjust_os_resource_limits (void)
|
|
|
3051 {
|
|
|
3052 }
|
|
|
3053
|
|
|
3054 #if defined (__mips_vxworks)
|
|
|
3055 int
|
|
|
3056 _flush_cache (void)
|
|
|
3057 {
|
|
|
3058 CACHE_USER_FLUSH (0, ENTIRE_CACHE);
|
|
|
3059 }
|
|
|
3060 #endif
|
|
|
3061
|
|
|
3062 #if defined (_WIN32)
|
|
|
3063 int __gnat_argument_needs_quote = 1;
|
|
|
3064 #else
|
|
|
3065 int __gnat_argument_needs_quote = 0;
|
|
|
3066 #endif
|
|
|
3067
|
|
|
3068 /* This option is used to enable/disable object files handling from the
|
|
|
3069 binder file by the GNAT Project module. For example, this is disabled on
|
|
|
3070 Windows (prior to GCC 3.4) as it is already done by the mdll module.
|
|
|
3071 Stating with GCC 3.4 the shared libraries are not based on mdll
|
|
|
3072 anymore as it uses the GCC's -shared option */
|
|
|
3073 #if defined (_WIN32) \
|
|
|
3074 && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4)))
|
|
|
3075 int __gnat_prj_add_obj_files = 0;
|
|
|
3076 #else
|
|
|
3077 int __gnat_prj_add_obj_files = 1;
|
|
|
3078 #endif
|
|
|
3079
|
|
|
3080 /* char used as prefix/suffix for environment variables */
|
|
|
3081 #if defined (_WIN32)
|
|
|
3082 char __gnat_environment_char = '%';
|
|
|
3083 #else
|
|
|
3084 char __gnat_environment_char = '$';
|
|
|
3085 #endif
|
|
|
3086
|
|
|
3087 /* This functions copy the file attributes from a source file to a
|
|
|
3088 destination file.
|
|
|
3089
|
|
|
3090 mode = 0 : In this mode copy only the file time stamps (last access and
|
|
|
3091 last modification time stamps).
|
|
|
3092
|
|
|
3093 mode = 1 : In this mode, time stamps and read/write/execute attributes are
|
|
|
3094 copied.
|
|
|
3095
|
|
|
3096 mode = 2 : In this mode, only read/write/execute attributes are copied
|
|
|
3097
|
|
|
3098 Returns 0 if operation was successful and -1 in case of error. */
|
|
|
3099
|
|
|
3100 int
|
|
|
3101 __gnat_copy_attribs (char *from ATTRIBUTE_UNUSED, char *to ATTRIBUTE_UNUSED,
|
|
|
3102 int mode ATTRIBUTE_UNUSED)
|
|
|
3103 {
|
|
|
3104 #if (defined (__vxworks) && _WRS_VXWORKS_MAJOR < 6)
|
|
|
3105 return -1;
|
|
|
3106
|
|
|
3107 #elif defined (_WIN32)
|
|
|
3108 TCHAR wfrom [GNAT_MAX_PATH_LEN + 2];
|
|
|
3109 TCHAR wto [GNAT_MAX_PATH_LEN + 2];
|
|
|
3110 BOOL res;
|
|
|
3111 FILETIME fct, flat, flwt;
|
|
|
3112 HANDLE hfrom, hto;
|
|
|
3113
|
|
|
3114 S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2);
|
|
|
3115 S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2);
|
|
|
3116
|
|
|
3117 /* Do we need to copy the timestamp ? */
|
|
|
3118
|
|
|
3119 if (mode != 2) {
|
|
|
3120 /* retrieve from times */
|
|
|
3121
|
|
|
3122 hfrom = CreateFile
|
|
|
3123 (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING,
|
|
|
3124 FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
3125
|
|
|
3126 if (hfrom == INVALID_HANDLE_VALUE)
|
|
|
3127 return -1;
|
|
|
3128
|
|
|
3129 res = GetFileTime (hfrom, &fct, &flat, &flwt);
|
|
|
3130
|
|
|
3131 CloseHandle (hfrom);
|
|
|
3132
|
|
|
3133 if (res == 0)
|
|
|
3134 return -1;
|
|
|
3135
|
|
|
3136 /* retrieve from times */
|
|
|
3137
|
|
|
3138 hto = CreateFile
|
|
|
3139 (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
|
|
|
3140 FILE_ATTRIBUTE_NORMAL, NULL);
|
|
|
3141
|
|
|
3142 if (hto == INVALID_HANDLE_VALUE)
|
|
|
3143 return -1;
|
|
|
3144
|
|
|
3145 res = SetFileTime (hto, NULL, &flat, &flwt);
|
|
|
3146
|
|
|
3147 CloseHandle (hto);
|
|
|
3148
|
|
|
3149 if (res == 0)
|
|
|
3150 return -1;
|
|
|
3151 }
|
|
|
3152
|
|
|
3153 /* Do we need to copy the permissions ? */
|
|
|
3154 /* Set file attributes in full mode. */
|
|
|
3155
|
|
|
3156 if (mode != 0)
|
|
|
3157 {
|
|
|
3158 DWORD attribs = GetFileAttributes (wfrom);
|
|
|
3159
|
|
|
3160 if (attribs == INVALID_FILE_ATTRIBUTES)
|
|
|
3161 return -1;
|
|
|
3162
|
|
|
3163 res = SetFileAttributes (wto, attribs);
|
|
|
3164 if (res == 0)
|
|
|
3165 return -1;
|
|
|
3166 }
|
|
|
3167
|
|
|
3168 return 0;
|
|
|
3169
|
|
|
3170 #else
|
|
|
3171 GNAT_STRUCT_STAT fbuf;
|
|
|
3172 struct utimbuf tbuf;
|
|
|
3173
|
|
|
3174 if (GNAT_STAT (from, &fbuf) == -1) {
|
|
|
3175 return -1;
|
|
|
3176 }
|
|
|
3177
|
|
|
3178 /* Do we need to copy timestamp ? */
|
|
|
3179 if (mode != 2) {
|
|
|
3180 tbuf.actime = fbuf.st_atime;
|
|
|
3181 tbuf.modtime = fbuf.st_mtime;
|
|
|
3182
|
|
|
3183 if (utime (to, &tbuf) == -1) {
|
|
|
3184 return -1;
|
|
|
3185 }
|
|
|
3186 }
|
|
|
3187
|
|
|
3188 /* Do we need to copy file permissions ? */
|
|
|
3189 if (mode != 0 && (chmod (to, fbuf.st_mode) == -1)) {
|
|
|
3190 return -1;
|
|
|
3191 }
|
|
|
3192
|
|
|
3193 return 0;
|
|
|
3194 #endif
|
|
|
3195 }
|
|
|
3196
|
|
|
3197 int
|
|
|
3198 __gnat_lseek (int fd, long offset, int whence)
|
|
|
3199 {
|
|
|
3200 return (int) lseek (fd, offset, whence);
|
|
|
3201 }
|
|
|
3202
|
|
|
3203 /* This function returns the major version number of GCC being used. */
|
|
|
3204 int
|
|
|
3205 get_gcc_version (void)
|
|
|
3206 {
|
|
|
3207 #ifdef IN_RTS
|
|
|
3208 return __GNUC__;
|
|
|
3209 #else
|
|
|
3210 return (int) (version_string[0] - '0');
|
|
|
3211 #endif
|
|
|
3212 }
|
|
|
3213
|
|
|
3214 /*
|
|
|
3215 * Set Close_On_Exec as indicated.
|
|
|
3216 * Note: this is used for both GNAT.OS_Lib and GNAT.Sockets.
|
|
|
3217 */
|
|
|
3218
|
|
|
3219 int
|
|
|
3220 __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED,
|
|
|
3221 int close_on_exec_p ATTRIBUTE_UNUSED)
|
|
|
3222 {
|
|
|
3223 #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks)
|
|
|
3224 int flags = fcntl (fd, F_GETFD, 0);
|
|
|
3225 if (flags < 0)
|
|
|
3226 return flags;
|
|
|
3227 if (close_on_exec_p)
|
|
|
3228 flags |= FD_CLOEXEC;
|
|
|
3229 else
|
|
|
3230 flags &= ~FD_CLOEXEC;
|
|
|
3231 return fcntl (fd, F_SETFD, flags);
|
|
|
3232 #elif defined(_WIN32)
|
|
|
3233 HANDLE h = (HANDLE) _get_osfhandle (fd);
|
|
|
3234 if (h == (HANDLE) -1)
|
|
|
3235 return -1;
|
|
|
3236 if (close_on_exec_p)
|
|
|
3237 return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0);
|
|
|
3238 return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT,
|
|
|
3239 HANDLE_FLAG_INHERIT);
|
|
|
3240 #else
|
|
|
3241 /* TODO: Unimplemented. */
|
|
|
3242 return -1;
|
|
|
3243 #endif
|
|
|
3244 }
|
|
|
3245
|
|
|
3246 /* Indicates if platforms supports automatic initialization through the
|
|
|
3247 constructor mechanism */
|
|
|
3248 int
|
|
|
3249 __gnat_binder_supports_auto_init (void)
|
|
|
3250 {
|
|
|
3251 return 1;
|
|
|
3252 }
|
|
|
3253
|
|
|
3254 /* Indicates that Stand-Alone Libraries are automatically initialized through
|
|
|
3255 the constructor mechanism */
|
|
|
3256 int
|
|
|
3257 __gnat_sals_init_using_constructors (void)
|
|
|
3258 {
|
|
|
3259 #if defined (__vxworks) || defined (__Lynx__)
|
|
|
3260 return 0;
|
|
|
3261 #else
|
|
|
3262 return 1;
|
|
|
3263 #endif
|
|
|
3264 }
|
|
|
3265
|
|
|
3266 #if defined (__linux__) || defined (__ANDROID__)
|
|
|
3267 /* There is no function in the glibc to retrieve the LWP of the current
|
|
|
3268 thread. We need to do a system call in order to retrieve this
|
|
|
3269 information. */
|
|
|
3270 #include <sys/syscall.h>
|
|
|
3271 void *
|
|
|
3272 __gnat_lwp_self (void)
|
|
|
3273 {
|
|
|
3274 return (void *) syscall (__NR_gettid);
|
|
|
3275 }
|
|
|
3276 #endif
|
|
|
3277
|
|
|
3278 #if defined (__APPLE__)
|
|
145
|
3279 # if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060
|
|
|
3280 # include <mach/thread_info.h>
|
|
|
3281 # include <mach/mach_init.h>
|
|
|
3282 # include <mach/thread_act.h>
|
|
|
3283 # else
|
|
|
3284 # include <pthread.h>
|
|
|
3285 # endif
|
|
111
|
3286
|
|
|
3287 /* System-wide thread identifier. Note it could be truncated on 32 bit
|
|
|
3288 hosts.
|
|
|
3289 Previously was: pthread_mach_thread_np (pthread_self ()). */
|
|
|
3290 void *
|
|
|
3291 __gnat_lwp_self (void)
|
|
|
3292 {
|
|
145
|
3293 #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060
|
|
111
|
3294 thread_identifier_info_data_t data;
|
|
|
3295 mach_msg_type_number_t count = THREAD_IDENTIFIER_INFO_COUNT;
|
|
|
3296 kern_return_t kret;
|
|
|
3297
|
|
|
3298 kret = thread_info (mach_thread_self (), THREAD_IDENTIFIER_INFO,
|
|
|
3299 (thread_info_t) &data, &count);
|
|
|
3300 if (kret == KERN_SUCCESS)
|
|
|
3301 return (void *)(uintptr_t)data.thread_id;
|
|
|
3302 else
|
|
|
3303 return 0;
|
|
145
|
3304 #else
|
|
|
3305 return (void *)pthread_mach_thread_np (pthread_self ());
|
|
|
3306 #endif
|
|
111
|
3307 }
|
|
|
3308 #endif
|
|
|
3309
|
|
|
3310 #if defined (__linux__)
|
|
|
3311 #include <sched.h>
|
|
|
3312
|
|
|
3313 /* glibc versions earlier than 2.7 do not define the routines to handle
|
|
|
3314 dynamically allocated CPU sets. For these targets, we use the static
|
|
|
3315 versions. */
|
|
|
3316
|
|
|
3317 #ifdef CPU_ALLOC
|
|
|
3318
|
|
|
3319 /* Dynamic cpu sets */
|
|
|
3320
|
|
|
3321 cpu_set_t *
|
|
|
3322 __gnat_cpu_alloc (size_t count)
|
|
|
3323 {
|
|
|
3324 return CPU_ALLOC (count);
|
|
|
3325 }
|
|
|
3326
|
|
|
3327 size_t
|
|
|
3328 __gnat_cpu_alloc_size (size_t count)
|
|
|
3329 {
|
|
|
3330 return CPU_ALLOC_SIZE (count);
|
|
|
3331 }
|
|
|
3332
|
|
|
3333 void
|
|
|
3334 __gnat_cpu_free (cpu_set_t *set)
|
|
|
3335 {
|
|
|
3336 CPU_FREE (set);
|
|
|
3337 }
|
|
|
3338
|
|
|
3339 void
|
|
|
3340 __gnat_cpu_zero (size_t count, cpu_set_t *set)
|
|
|
3341 {
|
|
|
3342 CPU_ZERO_S (count, set);
|
|
|
3343 }
|
|
|
3344
|
|
|
3345 void
|
|
|
3346 __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
|
|
|
3347 {
|
|
|
3348 /* Ada handles CPU numbers starting from 1, while C identifies the first
|
|
|
3349 CPU by a 0, so we need to adjust. */
|
|
|
3350 CPU_SET_S (cpu - 1, count, set);
|
|
|
3351 }
|
|
|
3352
|
|
|
3353 #else /* !CPU_ALLOC */
|
|
|
3354
|
|
|
3355 /* Static cpu sets */
|
|
|
3356
|
|
|
3357 cpu_set_t *
|
|
|
3358 __gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
|
|
|
3359 {
|
|
|
3360 return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
|
|
|
3361 }
|
|
|
3362
|
|
|
3363 size_t
|
|
|
3364 __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
|
|
|
3365 {
|
|
|
3366 return sizeof (cpu_set_t);
|
|
|
3367 }
|
|
|
3368
|
|
|
3369 void
|
|
|
3370 __gnat_cpu_free (cpu_set_t *set)
|
|
|
3371 {
|
|
|
3372 free (set);
|
|
|
3373 }
|
|
|
3374
|
|
|
3375 void
|
|
|
3376 __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
|
|
3377 {
|
|
|
3378 CPU_ZERO (set);
|
|
|
3379 }
|
|
|
3380
|
|
|
3381 void
|
|
|
3382 __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
|
|
|
3383 {
|
|
|
3384 /* Ada handles CPU numbers starting from 1, while C identifies the first
|
|
|
3385 CPU by a 0, so we need to adjust. */
|
|
|
3386 CPU_SET (cpu - 1, set);
|
|
|
3387 }
|
|
|
3388 #endif /* !CPU_ALLOC */
|
|
|
3389 #endif /* __linux__ */
|
|
|
3390
|
|
|
3391 /* Return the load address of the executable, or 0 if not known. In the
|
|
|
3392 specific case of error, (void *)-1 can be returned. Beware: this unit may
|
|
|
3393 be in a shared library. As low-level units are needed, we allow #include
|
|
|
3394 here. */
|
|
|
3395
|
|
|
3396 #if defined (__APPLE__)
|
|
|
3397 #include <mach-o/dyld.h>
|
|
|
3398 #endif
|
|
|
3399
|
|
|
3400 const void *
|
|
|
3401 __gnat_get_executable_load_address (void)
|
|
|
3402 {
|
|
|
3403 #if defined (__APPLE__)
|
|
|
3404 return _dyld_get_image_header (0);
|
|
|
3405
|
|
|
3406 #elif 0 && defined (__linux__)
|
|
|
3407 /* Currently disabled as it needs at least -ldl. */
|
|
|
3408 struct link_map *map = _r_debug.r_map;
|
|
|
3409
|
|
|
3410 return (const void *)map->l_addr;
|
|
|
3411
|
|
|
3412 #else
|
|
|
3413 return NULL;
|
|
|
3414 #endif
|
|
|
3415 }
|
|
|
3416
|
|
|
3417 void
|
|
|
3418 __gnat_kill (int pid, int sig, int close ATTRIBUTE_UNUSED)
|
|
|
3419 {
|
|
|
3420 #if defined(_WIN32)
|
|
|
3421 HANDLE h = OpenProcess (PROCESS_ALL_ACCESS, FALSE, pid);
|
|
|
3422 if (h == NULL)
|
|
|
3423 return;
|
|
|
3424 if (sig == 9)
|
|
|
3425 {
|
|
|
3426 TerminateProcess (h, 1);
|
|
|
3427 }
|
|
|
3428 else if (sig == SIGINT)
|
|
|
3429 GenerateConsoleCtrlEvent (CTRL_C_EVENT, pid);
|
|
|
3430 else if (sig == SIGBREAK)
|
|
|
3431 GenerateConsoleCtrlEvent (CTRL_BREAK_EVENT, pid);
|
|
|
3432 /* ??? The last two alternatives don't really work. SIGBREAK requires setting
|
|
|
3433 up process groups at start time which we don't do; treating SIGINT is just
|
|
|
3434 not possible apparently. So we really only support signal 9. Fortunately
|
|
|
3435 that's all we use in GNAT.Expect */
|
|
|
3436
|
|
|
3437 CloseHandle (h);
|
|
|
3438 #elif defined (__vxworks)
|
|
|
3439 /* Not implemented */
|
|
|
3440 #else
|
|
|
3441 kill (pid, sig);
|
|
|
3442 #endif
|
|
|
3443 }
|
|
|
3444
|
|
|
3445 void __gnat_killprocesstree (int pid, int sig_num)
|
|
|
3446 {
|
|
|
3447 #if defined(_WIN32)
|
|
|
3448 PROCESSENTRY32 pe;
|
|
|
3449
|
|
|
3450 memset(&pe, 0, sizeof(PROCESSENTRY32));
|
|
|
3451 pe.dwSize = sizeof(PROCESSENTRY32);
|
|
|
3452
|
|
|
3453 HANDLE hSnap = CreateToolhelp32Snapshot (TH32CS_SNAPPROCESS, 0);
|
|
|
3454
|
|
|
3455 /* cannot take snapshot, just kill the parent process */
|
|
|
3456
|
|
|
3457 if (hSnap == INVALID_HANDLE_VALUE)
|
|
|
3458 {
|
|
|
3459 __gnat_kill (pid, sig_num, 1);
|
|
|
3460 return;
|
|
|
3461 }
|
|
|
3462
|
|
|
3463 if (Process32First(hSnap, &pe))
|
|
|
3464 {
|
|
|
3465 BOOL bContinue = TRUE;
|
|
|
3466
|
|
|
3467 /* kill child processes first */
|
|
|
3468
|
|
|
3469 while (bContinue)
|
|
|
3470 {
|
|
|
3471 if (pe.th32ParentProcessID == (DWORD)pid)
|
|
|
3472 __gnat_killprocesstree (pe.th32ProcessID, sig_num);
|
|
|
3473
|
|
|
3474 bContinue = Process32Next (hSnap, &pe);
|
|
|
3475 }
|
|
|
3476 }
|
|
|
3477
|
|
|
3478 CloseHandle (hSnap);
|
|
|
3479
|
|
|
3480 /* kill process */
|
|
|
3481
|
|
|
3482 __gnat_kill (pid, sig_num, 1);
|
|
|
3483
|
|
|
3484 #elif defined (__vxworks)
|
|
|
3485 /* not implemented */
|
|
|
3486
|
|
|
3487 #elif defined (__linux__)
|
|
|
3488 DIR *dir;
|
|
|
3489 struct dirent *d;
|
|
|
3490
|
|
|
3491 /* read all processes' pid and ppid */
|
|
|
3492
|
|
|
3493 dir = opendir ("/proc");
|
|
|
3494
|
|
|
3495 /* cannot open proc, just kill the parent process */
|
|
|
3496
|
|
|
3497 if (!dir)
|
|
|
3498 {
|
|
|
3499 __gnat_kill (pid, sig_num, 1);
|
|
|
3500 return;
|
|
|
3501 }
|
|
|
3502
|
|
|
3503 /* kill child processes first */
|
|
|
3504
|
|
|
3505 while ((d = readdir (dir)) != NULL)
|
|
|
3506 {
|
|
|
3507 if ((d->d_type & DT_DIR) == DT_DIR)
|
|
|
3508 {
|
|
|
3509 char statfile[64];
|
|
|
3510 int _pid, _ppid;
|
|
|
3511
|
|
|
3512 /* read /proc/<PID>/stat */
|
|
|
3513
|
|
|
3514 if (strlen (d->d_name) >= sizeof (statfile) - strlen ("/proc//stat"))
|
|
|
3515 continue;
|
|
|
3516 strcpy (statfile, "/proc/");
|
|
|
3517 strcat (statfile, d->d_name);
|
|
|
3518 strcat (statfile, "/stat");
|
|
|
3519
|
|
|
3520 FILE *fd = fopen (statfile, "r");
|
|
|
3521
|
|
|
3522 if (fd)
|
|
|
3523 {
|
|
|
3524 const int match = fscanf (fd, "%d %*s %*s %d", &_pid, &_ppid);
|
|
|
3525 fclose (fd);
|
|
|
3526
|
|
|
3527 if (match == 2 && _ppid == pid)
|
|
|
3528 __gnat_killprocesstree (_pid, sig_num);
|
|
|
3529 }
|
|
|
3530 }
|
|
|
3531 }
|
|
|
3532
|
|
|
3533 closedir (dir);
|
|
|
3534
|
|
|
3535 /* kill process */
|
|
|
3536
|
|
|
3537 __gnat_kill (pid, sig_num, 1);
|
|
|
3538 #else
|
|
|
3539 __gnat_kill (pid, sig_num, 1);
|
|
|
3540 #endif
|
|
|
3541 /* Note on Solaris it is possible to read /proc/<PID>/status.
|
|
|
3542 The 5th and 6th words are the pid and the 7th and 8th the ppid.
|
|
|
3543 See: /usr/include/sys/procfs.h (struct pstatus).
|
|
|
3544 */
|
|
|
3545 }
|
|
|
3546
|
|
|
3547 #ifdef __cplusplus
|
|
|
3548 }
|
|
|
3549 #endif
|
