Mercurial > hg > CbC > CbC_gcc
annotate include/libiberty.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Function declarations for libiberty. |
| 2 | |
| 145 | 3 Copyright (C) 1997-2020 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 Note - certain prototypes declared in this header file are for | |
| 6 functions whoes implementation copyright does not belong to the | |
| 7 FSF. Those prototypes are present in this file for reference | |
| 8 purposes only and their presence in this file should not construed | |
| 9 as an indication of ownership by the FSF of the implementation of | |
| 10 those functions in any way or form whatsoever. | |
| 11 | |
| 12 This program is free software; you can redistribute it and/or modify | |
| 13 it under the terms of the GNU General Public License as published by | |
| 14 the Free Software Foundation; either version 2, or (at your option) | |
| 15 any later version. | |
| 16 | |
| 17 This program is distributed in the hope that it will be useful, | |
| 18 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 GNU General Public License for more details. | |
| 21 | |
| 22 You should have received a copy of the GNU General Public License | |
| 23 along with this program; if not, write to the Free Software | |
| 24 Foundation, Inc., 51 Franklin Street - Fifth Floor, | |
| 25 Boston, MA 02110-1301, USA. | |
| 26 | |
| 27 Written by Cygnus Support, 1994. | |
| 28 | |
| 29 The libiberty library provides a number of functions which are | |
| 30 missing on some operating systems. We do not declare those here, | |
| 31 to avoid conflicts with the system header files on operating | |
| 32 systems that do support those functions. In this file we only | |
| 33 declare those functions which are specific to libiberty. */ | |
| 34 | |
| 35 #ifndef LIBIBERTY_H | |
| 36 #define LIBIBERTY_H | |
| 37 | |
| 38 #ifdef __cplusplus | |
| 39 extern "C" { | |
| 40 #endif | |
| 41 | |
| 42 #include "ansidecl.h" | |
| 43 | |
| 44 /* Get a definition for size_t. */ | |
| 45 #include <stddef.h> | |
| 46 /* Get a definition for va_list. */ | |
| 47 #include <stdarg.h> | |
| 48 | |
| 49 #include <stdio.h> | |
| 50 | |
| 51 /* If the OS supports it, ensure that the supplied stream is setup to | |
| 52 avoid any multi-threaded locking. Otherwise leave the FILE pointer | |
| 53 unchanged. If the stream is NULL do nothing. */ | |
| 54 | |
| 55 extern void unlock_stream (FILE *); | |
| 56 | |
| 57 /* If the OS supports it, ensure that the standard I/O streams, stdin, | |
| 58 stdout and stderr are setup to avoid any multi-threaded locking. | |
| 59 Otherwise do nothing. */ | |
| 60 | |
| 61 extern void unlock_std_streams (void); | |
| 62 | |
| 63 /* Open and return a FILE pointer. If the OS supports it, ensure that | |
| 64 the stream is setup to avoid any multi-threaded locking. Otherwise | |
| 65 return the FILE pointer unchanged. */ | |
| 66 | |
| 67 extern FILE *fopen_unlocked (const char *, const char *); | |
| 68 extern FILE *fdopen_unlocked (int, const char *); | |
| 69 extern FILE *freopen_unlocked (const char *, const char *, FILE *); | |
| 70 | |
| 71 /* Build an argument vector from a string. Allocates memory using | |
| 72 malloc. Use freeargv to free the vector. */ | |
| 73 | |
| 74 extern char **buildargv (const char *) ATTRIBUTE_MALLOC; | |
| 75 | |
| 76 /* Free a vector returned by buildargv. */ | |
| 77 | |
| 78 extern void freeargv (char **); | |
| 79 | |
| 80 /* Duplicate an argument vector. Allocates memory using malloc. Use | |
| 81 freeargv to free the vector. */ | |
| 82 | |
| 111 | 83 extern char **dupargv (char * const *) ATTRIBUTE_MALLOC; |
| 0 | 84 |
| 85 /* Expand "@file" arguments in argv. */ | |
| 86 | |
| 111 | 87 extern void expandargv (int *, char ***); |
| 0 | 88 |
| 89 /* Write argv to an @-file, inserting necessary quoting. */ | |
| 90 | |
| 111 | 91 extern int writeargv (char * const *, FILE *); |
| 92 | |
| 93 /* Return the number of elements in argv. */ | |
| 94 | |
| 95 extern int countargv (char * const *); | |
| 0 | 96 |
| 97 /* Return the last component of a path name. Note that we can't use a | |
| 98 prototype here because the parameter is declared inconsistently | |
| 99 across different systems, sometimes as "char *" and sometimes as | |
| 100 "const char *" */ | |
| 101 | |
| 102 /* HAVE_DECL_* is a three-state macro: undefined, 0 or 1. If it is | |
| 103 undefined, we haven't run the autoconf check so provide the | |
| 104 declaration without arguments. If it is 0, we checked and failed | |
| 105 to find the declaration so provide a fully prototyped one. If it | |
| 106 is 1, we found it so don't provide any declaration at all. */ | |
| 107 #if !HAVE_DECL_BASENAME | |
| 111 | 108 #if defined (__GNU_LIBRARY__ ) || defined (__linux__) \ |
| 109 || defined (__FreeBSD__) || defined (__OpenBSD__) || defined (__NetBSD__) \ | |
| 110 || defined (__CYGWIN__) || defined (__CYGWIN32__) || defined (__MINGW32__) \ | |
| 111 || defined (__DragonFly__) || defined (HAVE_DECL_BASENAME) | |
| 112 extern char *basename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1); | |
| 0 | 113 #else |
| 114 /* Do not allow basename to be used if there is no prototype seen. We | |
| 115 either need to use the above prototype or have one from | |
| 116 autoconf which would result in HAVE_DECL_BASENAME being set. */ | |
| 117 #define basename basename_cannot_be_used_without_a_prototype | |
| 118 #endif | |
| 119 #endif | |
| 120 | |
| 121 /* A well-defined basename () that is always compiled in. */ | |
| 122 | |
| 111 | 123 extern const char *lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1); |
| 0 | 124 |
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125 /* Same, but assumes DOS semantics (drive name, backslash is also a |
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126 dir separator) regardless of host. */ |
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127 |
| 111 | 128 extern const char *dos_lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1); |
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129 |
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130 /* Same, but assumes Unix semantics (absolute paths always start with |
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131 a slash, only forward slash is accepted as dir separator) |
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132 regardless of host. */ |
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133 |
| 111 | 134 extern const char *unix_lbasename (const char *) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1); |
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135 |
| 0 | 136 /* A well-defined realpath () that is always compiled in. */ |
| 137 | |
| 138 extern char *lrealpath (const char *); | |
| 139 | |
| 145 | 140 /* Return true when FD file descriptor exists. */ |
| 141 | |
| 142 extern int is_valid_fd (int fd); | |
| 143 | |
| 0 | 144 /* Concatenate an arbitrary number of strings. You must pass NULL as |
| 145 the last argument of this function, to terminate the list of | |
| 146 strings. Allocates memory using xmalloc. */ | |
| 147 | |
| 111 | 148 extern char *concat (const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_SENTINEL; |
| 0 | 149 |
| 150 /* Concatenate an arbitrary number of strings. You must pass NULL as | |
| 151 the last argument of this function, to terminate the list of | |
| 152 strings. Allocates memory using xmalloc. The first argument is | |
| 153 not one of the strings to be concatenated, but if not NULL is a | |
| 154 pointer to be freed after the new string is created, similar to the | |
| 155 way xrealloc works. */ | |
| 156 | |
| 111 | 157 extern char *reconcat (char *, const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_SENTINEL; |
| 0 | 158 |
| 159 /* Determine the length of concatenating an arbitrary number of | |
| 160 strings. You must pass NULL as the last argument of this function, | |
| 161 to terminate the list of strings. */ | |
| 162 | |
| 163 extern unsigned long concat_length (const char *, ...) ATTRIBUTE_SENTINEL; | |
| 164 | |
| 165 /* Concatenate an arbitrary number of strings into a SUPPLIED area of | |
| 166 memory. You must pass NULL as the last argument of this function, | |
| 167 to terminate the list of strings. The supplied memory is assumed | |
| 168 to be large enough. */ | |
| 169 | |
| 111 | 170 extern char *concat_copy (char *, const char *, ...) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_NONNULL(1) ATTRIBUTE_SENTINEL; |
| 0 | 171 |
| 172 /* Concatenate an arbitrary number of strings into a GLOBAL area of | |
| 173 memory. You must pass NULL as the last argument of this function, | |
| 174 to terminate the list of strings. The supplied memory is assumed | |
| 175 to be large enough. */ | |
| 176 | |
| 111 | 177 extern char *concat_copy2 (const char *, ...) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_SENTINEL; |
| 0 | 178 |
| 179 /* This is the global area used by concat_copy2. */ | |
| 180 | |
| 181 extern char *libiberty_concat_ptr; | |
| 182 | |
| 183 /* Concatenate an arbitrary number of strings. You must pass NULL as | |
| 184 the last argument of this function, to terminate the list of | |
| 185 strings. Allocates memory using alloca. The arguments are | |
| 186 evaluated twice! */ | |
| 187 #define ACONCAT(ACONCAT_PARAMS) \ | |
| 188 (libiberty_concat_ptr = (char *) alloca (concat_length ACONCAT_PARAMS + 1), \ | |
| 189 concat_copy2 ACONCAT_PARAMS) | |
| 190 | |
| 191 /* Check whether two file descriptors refer to the same file. */ | |
| 192 | |
| 193 extern int fdmatch (int fd1, int fd2); | |
| 194 | |
| 195 /* Return the position of the first bit set in the argument. */ | |
| 196 /* Prototypes vary from system to system, so we only provide a | |
| 197 prototype on systems where we know that we need it. */ | |
| 198 #if defined (HAVE_DECL_FFS) && !HAVE_DECL_FFS | |
| 199 extern int ffs(int); | |
| 200 #endif | |
| 201 | |
| 202 /* Get the working directory. The result is cached, so don't call | |
| 203 chdir() between calls to getpwd(). */ | |
| 204 | |
| 205 extern char * getpwd (void); | |
| 206 | |
| 207 /* Get the current time. */ | |
| 208 /* Prototypes vary from system to system, so we only provide a | |
| 209 prototype on systems where we know that we need it. */ | |
| 210 #ifdef __MINGW32__ | |
| 211 /* Forward declaration to avoid #include <sys/time.h>. */ | |
| 212 struct timeval; | |
| 213 extern int gettimeofday (struct timeval *, void *); | |
| 214 #endif | |
| 215 | |
| 216 /* Get the amount of time the process has run, in microseconds. */ | |
| 217 | |
| 218 extern long get_run_time (void); | |
| 219 | |
| 220 /* Generate a relocated path to some installation directory. Allocates | |
| 221 return value using malloc. */ | |
| 222 | |
| 223 extern char *make_relative_prefix (const char *, const char *, | |
| 224 const char *) ATTRIBUTE_MALLOC; | |
| 225 | |
| 226 /* Generate a relocated path to some installation directory without | |
| 227 attempting to follow any soft links. Allocates | |
| 228 return value using malloc. */ | |
| 229 | |
| 230 extern char *make_relative_prefix_ignore_links (const char *, const char *, | |
| 231 const char *) ATTRIBUTE_MALLOC; | |
| 232 | |
| 111 | 233 /* Returns a pointer to a directory path suitable for creating temporary |
| 234 files in. */ | |
| 235 | |
| 236 extern const char *choose_tmpdir (void) ATTRIBUTE_RETURNS_NONNULL; | |
| 237 | |
| 0 | 238 /* Choose a temporary directory to use for scratch files. */ |
| 239 | |
| 111 | 240 extern char *choose_temp_base (void) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL; |
| 0 | 241 |
| 242 /* Return a temporary file name or NULL if unable to create one. */ | |
| 243 | |
| 244 extern char *make_temp_file (const char *) ATTRIBUTE_MALLOC; | |
| 245 | |
| 131 | 246 /* Return a temporary file name with given PREFIX and SUFFIX |
| 247 or NULL if unable to create one. */ | |
| 248 | |
| 249 extern char *make_temp_file_with_prefix (const char *, const char *) ATTRIBUTE_MALLOC; | |
| 250 | |
| 0 | 251 /* Remove a link to a file unless it is special. */ |
| 252 | |
| 253 extern int unlink_if_ordinary (const char *); | |
| 254 | |
| 255 /* Allocate memory filled with spaces. Allocates using malloc. */ | |
| 256 | |
| 257 extern const char *spaces (int count); | |
| 258 | |
| 259 /* Return the maximum error number for which strerror will return a | |
| 260 string. */ | |
| 261 | |
| 262 extern int errno_max (void); | |
| 263 | |
| 264 /* Return the name of an errno value (e.g., strerrno (EINVAL) returns | |
| 265 "EINVAL"). */ | |
| 266 | |
| 267 extern const char *strerrno (int); | |
| 268 | |
| 269 /* Given the name of an errno value, return the value. */ | |
| 270 | |
| 271 extern int strtoerrno (const char *); | |
| 272 | |
| 273 /* ANSI's strerror(), but more robust. */ | |
| 274 | |
| 111 | 275 extern char *xstrerror (int) ATTRIBUTE_RETURNS_NONNULL; |
| 0 | 276 |
| 277 /* Return the maximum signal number for which strsignal will return a | |
| 278 string. */ | |
| 279 | |
| 280 extern int signo_max (void); | |
| 281 | |
| 282 /* Return a signal message string for a signal number | |
| 283 (e.g., strsignal (SIGHUP) returns something like "Hangup"). */ | |
| 284 /* This is commented out as it can conflict with one in system headers. | |
| 285 We still document its existence though. */ | |
| 286 | |
| 287 /*extern const char *strsignal (int);*/ | |
| 288 | |
| 289 /* Return the name of a signal number (e.g., strsigno (SIGHUP) returns | |
| 290 "SIGHUP"). */ | |
| 291 | |
| 292 extern const char *strsigno (int); | |
| 293 | |
| 294 /* Given the name of a signal, return its number. */ | |
| 295 | |
| 296 extern int strtosigno (const char *); | |
| 297 | |
| 298 /* Register a function to be run by xexit. Returns 0 on success. */ | |
| 299 | |
| 300 extern int xatexit (void (*fn) (void)); | |
| 301 | |
| 302 /* Exit, calling all the functions registered with xatexit. */ | |
| 303 | |
| 304 extern void xexit (int status) ATTRIBUTE_NORETURN; | |
| 305 | |
| 306 /* Set the program name used by xmalloc. */ | |
| 307 | |
| 308 extern void xmalloc_set_program_name (const char *); | |
| 309 | |
| 310 /* Report an allocation failure. */ | |
| 311 extern void xmalloc_failed (size_t) ATTRIBUTE_NORETURN; | |
| 312 | |
| 313 /* Allocate memory without fail. If malloc fails, this will print a | |
| 314 message to stderr (using the name set by xmalloc_set_program_name, | |
| 315 if any) and then call xexit. */ | |
| 316 | |
| 145 | 317 extern void *xmalloc (size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_1 ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 318 |
| 319 /* Reallocate memory without fail. This works like xmalloc. Note, | |
| 320 realloc type functions are not suitable for attribute malloc since | |
| 321 they may return the same address across multiple calls. */ | |
| 322 | |
| 145 | 323 extern void *xrealloc (void *, size_t) ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_2 ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 324 |
| 325 /* Allocate memory without fail and set it to zero. This works like | |
| 326 xmalloc. */ | |
| 327 | |
| 145 | 328 extern void *xcalloc (size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_RESULT_SIZE_1_2 ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 329 |
| 330 /* Copy a string into a memory buffer without fail. */ | |
| 331 | |
| 145 | 332 extern char *xstrdup (const char *) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 333 |
| 334 /* Copy at most N characters from string into a buffer without fail. */ | |
| 335 | |
| 145 | 336 extern char *xstrndup (const char *, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 337 |
| 338 /* Copy an existing memory buffer to a new memory buffer without fail. */ | |
| 339 | |
| 145 | 340 extern void *xmemdup (const void *, size_t, size_t) ATTRIBUTE_MALLOC ATTRIBUTE_RETURNS_NONNULL ATTRIBUTE_WARN_UNUSED_RESULT; |
| 0 | 341 |
| 342 /* Physical memory routines. Return values are in BYTES. */ | |
| 343 extern double physmem_total (void); | |
| 344 extern double physmem_available (void); | |
| 345 | |
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346 /* Compute the 32-bit CRC of a block of memory. */ |
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347 extern unsigned int xcrc32 (const unsigned char *, int, unsigned int); |
| 0 | 348 |
| 349 /* These macros provide a K&R/C89/C++-friendly way of allocating structures | |
| 350 with nice encapsulation. The XDELETE*() macros are technically | |
| 351 superfluous, but provided here for symmetry. Using them consistently | |
| 352 makes it easier to update client code to use different allocators such | |
| 353 as new/delete and new[]/delete[]. */ | |
| 354 | |
| 355 /* Scalar allocators. */ | |
| 356 | |
| 357 #define XALLOCA(T) ((T *) alloca (sizeof (T))) | |
| 358 #define XNEW(T) ((T *) xmalloc (sizeof (T))) | |
| 359 #define XCNEW(T) ((T *) xcalloc (1, sizeof (T))) | |
| 360 #define XDUP(T, P) ((T *) xmemdup ((P), sizeof (T), sizeof (T))) | |
| 361 #define XDELETE(P) free ((void*) (P)) | |
| 362 | |
| 363 /* Array allocators. */ | |
| 364 | |
| 365 #define XALLOCAVEC(T, N) ((T *) alloca (sizeof (T) * (N))) | |
| 366 #define XNEWVEC(T, N) ((T *) xmalloc (sizeof (T) * (N))) | |
| 367 #define XCNEWVEC(T, N) ((T *) xcalloc ((N), sizeof (T))) | |
| 368 #define XDUPVEC(T, P, N) ((T *) xmemdup ((P), sizeof (T) * (N), sizeof (T) * (N))) | |
| 369 #define XRESIZEVEC(T, P, N) ((T *) xrealloc ((void *) (P), sizeof (T) * (N))) | |
| 370 #define XDELETEVEC(P) free ((void*) (P)) | |
| 371 | |
| 372 /* Allocators for variable-sized structures and raw buffers. */ | |
| 373 | |
| 374 #define XALLOCAVAR(T, S) ((T *) alloca ((S))) | |
| 375 #define XNEWVAR(T, S) ((T *) xmalloc ((S))) | |
| 376 #define XCNEWVAR(T, S) ((T *) xcalloc (1, (S))) | |
| 377 #define XDUPVAR(T, P, S1, S2) ((T *) xmemdup ((P), (S1), (S2))) | |
| 378 #define XRESIZEVAR(T, P, S) ((T *) xrealloc ((P), (S))) | |
| 379 | |
| 380 /* Type-safe obstack allocator. */ | |
| 381 | |
| 382 #define XOBNEW(O, T) ((T *) obstack_alloc ((O), sizeof (T))) | |
| 383 #define XOBNEWVEC(O, T, N) ((T *) obstack_alloc ((O), sizeof (T) * (N))) | |
| 384 #define XOBNEWVAR(O, T, S) ((T *) obstack_alloc ((O), (S))) | |
| 385 #define XOBFINISH(O, T) ((T) obstack_finish ((O))) | |
| 386 | |
| 387 /* hex character manipulation routines */ | |
| 388 | |
| 389 #define _hex_array_size 256 | |
| 390 #define _hex_bad 99 | |
| 391 extern const unsigned char _hex_value[_hex_array_size]; | |
| 392 extern void hex_init (void); | |
| 393 #define hex_p(c) (hex_value (c) != _hex_bad) | |
| 394 /* If you change this, note well: Some code relies on side effects in | |
| 395 the argument being performed exactly once. */ | |
| 396 #define hex_value(c) ((unsigned int) _hex_value[(unsigned char) (c)]) | |
| 397 | |
| 398 /* Flags for pex_init. These are bits to be or'ed together. */ | |
| 399 | |
| 400 /* Record subprocess times, if possible. */ | |
| 401 #define PEX_RECORD_TIMES 0x1 | |
| 402 | |
| 403 /* Use pipes for communication between processes, if possible. */ | |
| 404 #define PEX_USE_PIPES 0x2 | |
| 405 | |
| 406 /* Save files used for communication between processes. */ | |
| 407 #define PEX_SAVE_TEMPS 0x4 | |
| 408 | |
| 111 | 409 /* Max number of alloca bytes per call before we must switch to malloc. |
| 410 | |
| 411 ?? Swiped from gnulib's regex_internal.h header. Is this actually | |
| 412 the case? This number seems arbitrary, though sane. | |
| 413 | |
| 414 The OS usually guarantees only one guard page at the bottom of the stack, | |
| 415 and a page size can be as small as 4096 bytes. So we cannot safely | |
| 416 allocate anything larger than 4096 bytes. Also care for the possibility | |
| 417 of a few compiler-allocated temporary stack slots. */ | |
| 418 #define MAX_ALLOCA_SIZE 4032 | |
| 419 | |
| 0 | 420 /* Prepare to execute one or more programs, with standard output of |
| 421 each program fed to standard input of the next. | |
| 422 FLAGS As above. | |
| 423 PNAME The name of the program to report in error messages. | |
| 424 TEMPBASE A base name to use for temporary files; may be NULL to | |
| 425 use a random name. | |
| 426 Returns NULL on error. */ | |
| 427 | |
| 428 extern struct pex_obj *pex_init (int flags, const char *pname, | |
| 111 | 429 const char *tempbase) ATTRIBUTE_RETURNS_NONNULL; |
| 0 | 430 |
| 431 /* Flags for pex_run. These are bits to be or'ed together. */ | |
| 432 | |
| 433 /* Last program in pipeline. Standard output of program goes to | |
| 434 OUTNAME, or, if OUTNAME is NULL, to standard output of caller. Do | |
| 435 not set this if you want to call pex_read_output. After this is | |
| 436 set, pex_run may no longer be called with the same struct | |
| 437 pex_obj. */ | |
| 438 #define PEX_LAST 0x1 | |
| 439 | |
| 440 /* Search for program in executable search path. */ | |
| 441 #define PEX_SEARCH 0x2 | |
| 442 | |
| 443 /* OUTNAME is a suffix. */ | |
| 444 #define PEX_SUFFIX 0x4 | |
| 445 | |
| 446 /* Send program's standard error to standard output. */ | |
| 447 #define PEX_STDERR_TO_STDOUT 0x8 | |
| 448 | |
| 449 /* Input file should be opened in binary mode. This flag is ignored | |
| 450 on Unix. */ | |
| 451 #define PEX_BINARY_INPUT 0x10 | |
| 452 | |
| 453 /* Output file should be opened in binary mode. This flag is ignored | |
| 454 on Unix. For proper behaviour PEX_BINARY_INPUT and | |
| 455 PEX_BINARY_OUTPUT have to match appropriately--i.e., a call using | |
| 456 PEX_BINARY_OUTPUT should be followed by a call using | |
| 457 PEX_BINARY_INPUT. */ | |
| 458 #define PEX_BINARY_OUTPUT 0x20 | |
| 459 | |
| 460 /* Capture stderr to a pipe. The output can be read by | |
| 461 calling pex_read_err and reading from the returned | |
| 462 FILE object. This flag may be specified only for | |
| 463 the last program in a pipeline. | |
| 464 | |
| 465 This flag is supported only on Unix and Windows. */ | |
| 466 #define PEX_STDERR_TO_PIPE 0x40 | |
| 467 | |
| 468 /* Capture stderr in binary mode. This flag is ignored | |
| 469 on Unix. */ | |
| 470 #define PEX_BINARY_ERROR 0x80 | |
| 471 | |
| 111 | 472 /* Append stdout to existing file instead of truncating it. */ |
| 473 #define PEX_STDOUT_APPEND 0x100 | |
| 474 | |
| 475 /* Thes same as PEX_STDOUT_APPEND, but for STDERR. */ | |
| 476 #define PEX_STDERR_APPEND 0x200 | |
| 0 | 477 |
| 478 /* Execute one program. Returns NULL on success. On error returns an | |
| 479 error string (typically just the name of a system call); the error | |
| 480 string is statically allocated. | |
| 481 | |
| 482 OBJ Returned by pex_init. | |
| 483 | |
| 484 FLAGS As above. | |
| 485 | |
| 486 EXECUTABLE The program to execute. | |
| 487 | |
| 488 ARGV NULL terminated array of arguments to pass to the program. | |
| 489 | |
| 490 OUTNAME Sets the output file name as follows: | |
| 491 | |
| 492 PEX_SUFFIX set (OUTNAME may not be NULL): | |
| 493 TEMPBASE parameter to pex_init not NULL: | |
| 494 Output file name is the concatenation of TEMPBASE | |
| 495 and OUTNAME. | |
| 496 TEMPBASE is NULL: | |
| 497 Output file name is a random file name ending in | |
| 498 OUTNAME. | |
| 499 PEX_SUFFIX not set: | |
| 500 OUTNAME not NULL: | |
| 501 Output file name is OUTNAME. | |
| 502 OUTNAME NULL, TEMPBASE not NULL: | |
| 503 Output file name is randomly chosen using | |
| 504 TEMPBASE. | |
| 505 OUTNAME NULL, TEMPBASE NULL: | |
| 506 Output file name is randomly chosen. | |
| 507 | |
| 508 If PEX_LAST is not set, the output file name is the | |
| 509 name to use for a temporary file holding stdout, if | |
| 510 any (there will not be a file if PEX_USE_PIPES is set | |
| 511 and the system supports pipes). If a file is used, it | |
| 512 will be removed when no longer needed unless | |
| 513 PEX_SAVE_TEMPS is set. | |
| 514 | |
| 515 If PEX_LAST is set, and OUTNAME is not NULL, standard | |
| 516 output is written to the output file name. The file | |
| 517 will not be removed. If PEX_LAST and PEX_SUFFIX are | |
| 518 both set, TEMPBASE may not be NULL. | |
| 519 | |
| 520 ERRNAME If not NULL, this is the name of a file to which | |
| 521 standard error is written. If NULL, standard error of | |
| 522 the program is standard error of the caller. | |
| 523 | |
| 524 ERR On an error return, *ERR is set to an errno value, or | |
| 525 to 0 if there is no relevant errno. | |
| 526 */ | |
| 527 | |
| 528 extern const char *pex_run (struct pex_obj *obj, int flags, | |
| 529 const char *executable, char * const *argv, | |
| 530 const char *outname, const char *errname, | |
| 531 int *err); | |
| 532 | |
| 533 /* As for pex_run (), but takes an extra parameter to enable the | |
| 534 environment for the child process to be specified. | |
| 535 | |
| 536 ENV The environment for the child process, specified as | |
| 537 an array of character pointers. Each element of the | |
| 538 array should point to a string of the form VAR=VALUE, | |
| 539 with the exception of the last element which must be | |
| 540 a null pointer. | |
| 541 */ | |
| 542 | |
| 543 extern const char *pex_run_in_environment (struct pex_obj *obj, int flags, | |
| 544 const char *executable, | |
| 545 char * const *argv, | |
| 546 char * const *env, | |
| 547 const char *outname, | |
| 548 const char *errname, int *err); | |
| 549 | |
| 550 /* Return a stream for a temporary file to pass to the first program | |
| 551 in the pipeline as input. The file name is chosen as for pex_run. | |
| 552 pex_run closes the file automatically; don't close it yourself. */ | |
| 553 | |
| 554 extern FILE *pex_input_file (struct pex_obj *obj, int flags, | |
| 555 const char *in_name); | |
| 556 | |
| 557 /* Return a stream for a pipe connected to the standard input of the | |
| 558 first program in the pipeline. You must have passed | |
| 559 `PEX_USE_PIPES' to `pex_init'. Close the returned stream | |
| 560 yourself. */ | |
| 561 | |
| 562 extern FILE *pex_input_pipe (struct pex_obj *obj, int binary); | |
| 563 | |
| 564 /* Read the standard output of the last program to be executed. | |
| 145 | 565 pex_run cannot be called after this. BINARY should be non-zero if |
| 0 | 566 the file should be opened in binary mode; this is ignored on Unix. |
| 567 Returns NULL on error. Don't call fclose on the returned FILE; it | |
| 568 will be closed by pex_free. */ | |
| 569 | |
| 570 extern FILE *pex_read_output (struct pex_obj *, int binary); | |
| 571 | |
| 572 /* Read the standard error of the last program to be executed. | |
| 145 | 573 pex_run cannot be called after this. BINARY should be non-zero if |
| 0 | 574 the file should be opened in binary mode; this is ignored on Unix. |
| 575 Returns NULL on error. Don't call fclose on the returned FILE; it | |
| 576 will be closed by pex_free. */ | |
| 577 | |
| 578 extern FILE *pex_read_err (struct pex_obj *, int binary); | |
| 579 | |
| 580 /* Return exit status of all programs in VECTOR. COUNT indicates the | |
| 581 size of VECTOR. The status codes in the vector are in the order of | |
| 582 the calls to pex_run. Returns 0 on error, 1 on success. */ | |
| 583 | |
| 584 extern int pex_get_status (struct pex_obj *, int count, int *vector); | |
| 585 | |
| 586 /* Return times of all programs in VECTOR. COUNT indicates the size | |
| 587 of VECTOR. struct pex_time is really just struct timeval, but that | |
| 588 is not portable to all systems. Returns 0 on error, 1 on | |
| 589 success. */ | |
| 590 | |
| 591 struct pex_time | |
| 592 { | |
| 593 unsigned long user_seconds; | |
| 594 unsigned long user_microseconds; | |
| 595 unsigned long system_seconds; | |
| 596 unsigned long system_microseconds; | |
| 597 }; | |
| 598 | |
| 599 extern int pex_get_times (struct pex_obj *, int count, | |
| 600 struct pex_time *vector); | |
| 601 | |
| 602 /* Clean up a pex_obj. If you have not called pex_get_times or | |
| 603 pex_get_status, this will try to kill the subprocesses. */ | |
| 604 | |
| 605 extern void pex_free (struct pex_obj *); | |
| 606 | |
| 607 /* Just execute one program. Return value is as for pex_run. | |
| 608 FLAGS Combination of PEX_SEARCH and PEX_STDERR_TO_STDOUT. | |
| 609 EXECUTABLE As for pex_run. | |
| 610 ARGV As for pex_run. | |
| 611 PNAME As for pex_init. | |
| 612 OUTNAME As for pex_run when PEX_LAST is set. | |
| 613 ERRNAME As for pex_run. | |
| 614 STATUS Set to exit status on success. | |
| 615 ERR As for pex_run. | |
| 616 */ | |
| 617 | |
| 618 extern const char *pex_one (int flags, const char *executable, | |
| 619 char * const *argv, const char *pname, | |
| 620 const char *outname, const char *errname, | |
| 621 int *status, int *err); | |
| 622 | |
| 623 /* pexecute and pwait are the old pexecute interface, still here for | |
| 624 backward compatibility. Don't use these for new code. Instead, | |
| 625 use pex_init/pex_run/pex_get_status/pex_free, or pex_one. */ | |
| 626 | |
| 627 /* Definitions used by the pexecute routine. */ | |
| 628 | |
| 629 #define PEXECUTE_FIRST 1 | |
| 630 #define PEXECUTE_LAST 2 | |
| 631 #define PEXECUTE_ONE (PEXECUTE_FIRST + PEXECUTE_LAST) | |
| 632 #define PEXECUTE_SEARCH 4 | |
| 633 #define PEXECUTE_VERBOSE 8 | |
| 634 | |
| 635 /* Execute a program. */ | |
| 636 | |
| 637 extern int pexecute (const char *, char * const *, const char *, | |
| 638 const char *, char **, char **, int); | |
| 639 | |
| 640 /* Wait for pexecute to finish. */ | |
| 641 | |
| 642 extern int pwait (int, int *, int); | |
| 643 | |
| 111 | 644 #if defined(HAVE_DECL_ASPRINTF) && !HAVE_DECL_ASPRINTF |
| 0 | 645 /* Like sprintf but provides a pointer to malloc'd storage, which must |
| 646 be freed by the caller. */ | |
| 647 | |
| 648 extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2; | |
| 649 #endif | |
| 650 | |
| 111 | 651 /* Like asprintf but allocates memory without fail. This works like |
| 652 xmalloc. */ | |
| 653 | |
| 654 extern char *xasprintf (const char *, ...) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF_1; | |
| 655 | |
| 145 | 656 #if defined(HAVE_DECL_VASPRINTF) && !HAVE_DECL_VASPRINTF |
| 0 | 657 /* Like vsprintf but provides a pointer to malloc'd storage, which |
| 658 must be freed by the caller. */ | |
| 659 | |
| 660 extern int vasprintf (char **, const char *, va_list) ATTRIBUTE_PRINTF(2,0); | |
| 661 #endif | |
| 662 | |
| 111 | 663 /* Like vasprintf but allocates memory without fail. This works like |
| 664 xmalloc. */ | |
| 665 | |
| 666 extern char *xvasprintf (const char *, va_list) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF(1,0); | |
| 667 | |
| 0 | 668 #if defined(HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF |
| 669 /* Like sprintf but prints at most N characters. */ | |
| 670 extern int snprintf (char *, size_t, const char *, ...) ATTRIBUTE_PRINTF_3; | |
| 671 #endif | |
| 672 | |
| 673 #if defined(HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF | |
| 674 /* Like vsprintf but prints at most N characters. */ | |
| 675 extern int vsnprintf (char *, size_t, const char *, va_list) ATTRIBUTE_PRINTF(3,0); | |
| 676 #endif | |
| 677 | |
| 111 | 678 #if defined (HAVE_DECL_STRNLEN) && !HAVE_DECL_STRNLEN |
| 679 extern size_t strnlen (const char *, size_t); | |
| 680 #endif | |
| 681 | |
| 682 #if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP | |
| 683 /* Compare version strings. */ | |
| 684 extern int strverscmp (const char *, const char *); | |
| 685 #endif | |
| 686 | |
| 687 #if defined(HAVE_DECL_STRTOL) && !HAVE_DECL_STRTOL | |
| 688 extern long int strtol (const char *nptr, | |
| 689 char **endptr, int base); | |
| 690 #endif | |
| 691 | |
| 692 #if defined(HAVE_DECL_STRTOUL) && !HAVE_DECL_STRTOUL | |
| 693 extern unsigned long int strtoul (const char *nptr, | |
| 694 char **endptr, int base); | |
| 695 #endif | |
| 696 | |
| 697 #if defined(HAVE_LONG_LONG) && defined(HAVE_DECL_STRTOLL) && !HAVE_DECL_STRTOLL | |
| 698 __extension__ | |
| 699 extern long long int strtoll (const char *nptr, | |
| 700 char **endptr, int base); | |
| 701 #endif | |
| 702 | |
| 703 #if defined(HAVE_LONG_LONG) && defined(HAVE_DECL_STRTOULL) && !HAVE_DECL_STRTOULL | |
| 704 __extension__ | |
| 705 extern unsigned long long int strtoull (const char *nptr, | |
| 706 char **endptr, int base); | |
| 707 #endif | |
| 708 | |
| 0 | 709 #if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP |
| 710 /* Compare version strings. */ | |
| 711 extern int strverscmp (const char *, const char *); | |
| 712 #endif | |
| 713 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
714 /* Set the title of a process */ |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
715 extern void setproctitle (const char *name, ...); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
716 |
| 111 | 717 /* Increase stack limit if possible. */ |
| 718 extern void stack_limit_increase (unsigned long); | |
| 719 | |
| 0 | 720 #define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0])) |
| 721 | |
| 722 /* Drastically simplified alloca configurator. If we're using GCC, | |
| 723 we use __builtin_alloca; otherwise we use the C alloca. The C | |
| 724 alloca is always available. You can override GCC by defining | |
| 725 USE_C_ALLOCA yourself. The canonical autoconf macro C_ALLOCA is | |
| 726 also set/unset as it is often used to indicate whether code needs | |
| 727 to call alloca(0). */ | |
| 728 extern void *C_alloca (size_t) ATTRIBUTE_MALLOC; | |
| 729 #undef alloca | |
| 730 #if GCC_VERSION >= 2000 && !defined USE_C_ALLOCA | |
| 731 # define alloca(x) __builtin_alloca(x) | |
| 732 # undef C_ALLOCA | |
| 733 # define ASTRDUP(X) \ | |
| 734 (__extension__ ({ const char *const libiberty_optr = (X); \ | |
| 735 const unsigned long libiberty_len = strlen (libiberty_optr) + 1; \ | |
| 111 | 736 char *const libiberty_nptr = (char *) alloca (libiberty_len); \ |
| 0 | 737 (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len); })) |
| 738 #else | |
| 739 # define alloca(x) C_alloca(x) | |
| 740 # undef USE_C_ALLOCA | |
| 741 # define USE_C_ALLOCA 1 | |
| 742 # undef C_ALLOCA | |
| 743 # define C_ALLOCA 1 | |
| 744 extern const char *libiberty_optr; | |
| 745 extern char *libiberty_nptr; | |
| 746 extern unsigned long libiberty_len; | |
| 747 # define ASTRDUP(X) \ | |
| 748 (libiberty_optr = (X), \ | |
| 749 libiberty_len = strlen (libiberty_optr) + 1, \ | |
| 750 libiberty_nptr = (char *) alloca (libiberty_len), \ | |
| 751 (char *) memcpy (libiberty_nptr, libiberty_optr, libiberty_len)) | |
| 752 #endif | |
| 753 | |
| 754 #ifdef __cplusplus | |
| 755 } | |
| 756 #endif | |
| 757 | |
| 758 | |
| 759 #endif /* ! defined (LIBIBERTY_H) */ |