1 /* A GNU-like <stdlib.h>.
3 Copyright (C) 1995, 2001-2004, 2006-2011 Free Software Foundation, Inc.
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 @PRAGMA_SYSTEM_HEADER@
23 #if defined __need_malloc_and_calloc
24 /* Special invocation convention inside glibc header files. */
26 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
29 /* Normal invocation convention. */
31 #ifndef _@GUARD_PREFIX@_STDLIB_H
33 /* The include_next requires a split double-inclusion guard. */
34 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
36 #ifndef _@GUARD_PREFIX@_STDLIB_H
37 #define _@GUARD_PREFIX@_STDLIB_H
39 /* NetBSD 5.0 mis-defines NULL. */
42 /* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>. */
43 #if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
44 # include <sys/wait.h>
47 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
48 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
49 # include <sys/loadavg.h>
54 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
55 from <stdlib.h> if _REENTRANT is defined. Include it whenever we need
56 'struct random_data'. */
61 # if !@HAVE_STRUCT_RANDOM_DATA@ || !@HAVE_RANDOM_R@
65 # if !@HAVE_STRUCT_RANDOM_DATA@
66 /* Define 'struct random_data'.
67 But allow multiple gnulib generated <stdlib.h> replacements to coexist. */
68 # if !GNULIB_defined_struct_random_data
71 int32_t *fptr; /* Front pointer. */
72 int32_t *rptr; /* Rear pointer. */
73 int32_t *state; /* Array of state values. */
74 int rand_type; /* Type of random number generator. */
75 int rand_deg; /* Degree of random number generator. */
76 int rand_sep; /* Distance between front and rear. */
77 int32_t *end_ptr; /* Pointer behind state table. */
79 # define GNULIB_defined_struct_random_data 1
84 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
85 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
86 /* On MacOS X 10.5, only <unistd.h> declares mkstemps. */
87 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
88 /* But avoid namespace pollution on glibc systems and native Windows. */
92 /* The definition of _Noreturn is copied here. */
94 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
96 /* The definition of _GL_ARG_NONNULL is copied here. */
98 /* The definition of _GL_WARN_ON_USE is copied here. */
101 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
103 # define EXIT_SUCCESS 0
105 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
106 with proper operation of xargs. */
108 # define EXIT_FAILURE 1
109 #elif EXIT_FAILURE != 1
111 # define EXIT_FAILURE 1
116 /* Terminate the current process with the given return code, without running
117 the 'atexit' handlers. */
119 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
121 _GL_CXXALIAS_SYS (_Exit, void, (int status));
122 _GL_CXXALIASWARN (_Exit);
123 #elif defined GNULIB_POSIXCHECK
125 # if HAVE_RAW_DECL__EXIT
126 _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
127 "use gnulib module _Exit for portability");
133 /* Parse a signed decimal integer.
134 Returns the value of the integer. Errors are not detected. */
136 _GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
138 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
139 _GL_CXXALIASWARN (atoll);
140 #elif defined GNULIB_POSIXCHECK
142 # if HAVE_RAW_DECL_ATOLL
143 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
144 "use gnulib module atoll for portability");
148 #if @GNULIB_CALLOC_POSIX@
149 # if @REPLACE_CALLOC@
150 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
152 # define calloc rpl_calloc
154 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
155 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
157 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
159 _GL_CXXALIASWARN (calloc);
160 #elif defined GNULIB_POSIXCHECK
162 /* Assume calloc is always declared. */
163 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
164 "use gnulib module calloc-posix for portability");
167 #if @GNULIB_CANONICALIZE_FILE_NAME@
168 # if @REPLACE_CANONICALIZE_FILE_NAME@
169 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
170 # define canonicalize_file_name rpl_canonicalize_file_name
172 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
173 _GL_ARG_NONNULL ((1)));
174 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
176 # if !@HAVE_CANONICALIZE_FILE_NAME@
177 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
178 _GL_ARG_NONNULL ((1)));
180 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
182 _GL_CXXALIASWARN (canonicalize_file_name);
183 #elif defined GNULIB_POSIXCHECK
184 # undef canonicalize_file_name
185 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
186 _GL_WARN_ON_USE (canonicalize_file_name,
187 "canonicalize_file_name is unportable - "
188 "use gnulib module canonicalize-lgpl for portability");
192 #if @GNULIB_GETLOADAVG@
193 /* Store max(NELEM,3) load average numbers in LOADAVG[].
194 The three numbers are the load average of the last 1 minute, the last 5
195 minutes, and the last 15 minutes, respectively.
196 LOADAVG is an array of NELEM numbers. */
197 # if !@HAVE_DECL_GETLOADAVG@
198 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
199 _GL_ARG_NONNULL ((1)));
201 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
202 _GL_CXXALIASWARN (getloadavg);
203 #elif defined GNULIB_POSIXCHECK
205 # if HAVE_RAW_DECL_GETLOADAVG
206 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
207 "use gnulib module getloadavg for portability");
211 #if @GNULIB_GETSUBOPT@
212 /* Assuming *OPTIONP is a comma separated list of elements of the form
213 "token" or "token=value", getsubopt parses the first of these elements.
214 If the first element refers to a "token" that is member of the given
215 NULL-terminated array of tokens:
216 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
217 the first option and the comma, sets *VALUEP to the value of the
218 element (or NULL if it doesn't contain an "=" sign),
219 - It returns the index of the "token" in the given array of tokens.
220 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
221 For more details see the POSIX:2001 specification.
222 http://www.opengroup.org/susv3xsh/getsubopt.html */
223 # if !@HAVE_GETSUBOPT@
224 _GL_FUNCDECL_SYS (getsubopt, int,
225 (char **optionp, char *const *tokens, char **valuep)
226 _GL_ARG_NONNULL ((1, 2, 3)));
228 _GL_CXXALIAS_SYS (getsubopt, int,
229 (char **optionp, char *const *tokens, char **valuep));
230 _GL_CXXALIASWARN (getsubopt);
231 #elif defined GNULIB_POSIXCHECK
233 # if HAVE_RAW_DECL_GETSUBOPT
234 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
235 "use gnulib module getsubopt for portability");
240 /* Change the ownership and access permission of the slave side of the
241 pseudo-terminal whose master side is specified by FD. */
243 _GL_FUNCDECL_SYS (grantpt, int, (int fd));
245 _GL_CXXALIAS_SYS (grantpt, int, (int fd));
246 _GL_CXXALIASWARN (grantpt);
247 #elif defined GNULIB_POSIXCHECK
249 # if HAVE_RAW_DECL_GRANTPT
250 _GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
251 "use gnulib module grantpt for portability");
255 /* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
256 rely on GNU or POSIX semantics for malloc and realloc (for example,
257 by never specifying a zero size), so it does not need malloc or
258 realloc to be redefined. */
259 #if @GNULIB_MALLOC_POSIX@
260 # if @REPLACE_MALLOC@
261 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
262 || _GL_USE_STDLIB_ALLOC)
264 # define malloc rpl_malloc
266 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
267 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
269 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
271 _GL_CXXALIASWARN (malloc);
272 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
274 /* Assume malloc is always declared. */
275 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
276 "use gnulib module malloc-posix for portability");
279 /* Convert a multibyte character to a wide character. */
281 # if @REPLACE_MBTOWC@
282 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
284 # define mbtowc rpl_mbtowc
286 _GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
287 _GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
289 _GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
291 _GL_CXXALIASWARN (mbtowc);
295 /* Create a unique temporary directory from TEMPLATE.
296 The last six characters of TEMPLATE must be "XXXXXX";
297 they are replaced with a string that makes the directory name unique.
298 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
299 The directory is created mode 700. */
301 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
303 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
304 _GL_CXXALIASWARN (mkdtemp);
305 #elif defined GNULIB_POSIXCHECK
307 # if HAVE_RAW_DECL_MKDTEMP
308 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
309 "use gnulib module mkdtemp for portability");
313 #if @GNULIB_MKOSTEMP@
314 /* Create a unique temporary file from TEMPLATE.
315 The last six characters of TEMPLATE must be "XXXXXX";
316 they are replaced with a string that makes the file name unique.
317 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
318 and O_TEXT, O_BINARY (defined in "binary-io.h").
319 The file is then created, with the specified flags, ensuring it didn't exist
321 The file is created read-write (mask at least 0600 & ~umask), but it may be
322 world-readable and world-writable (mask 0666 & ~umask), depending on the
324 Returns the open file descriptor if successful, otherwise -1 and errno
326 # if !@HAVE_MKOSTEMP@
327 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
328 _GL_ARG_NONNULL ((1)));
330 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
331 _GL_CXXALIASWARN (mkostemp);
332 #elif defined GNULIB_POSIXCHECK
334 # if HAVE_RAW_DECL_MKOSTEMP
335 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
336 "use gnulib module mkostemp for portability");
340 #if @GNULIB_MKOSTEMPS@
341 /* Create a unique temporary file from TEMPLATE.
342 The last six characters of TEMPLATE before a suffix of length
343 SUFFIXLEN must be "XXXXXX";
344 they are replaced with a string that makes the file name unique.
345 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
346 and O_TEXT, O_BINARY (defined in "binary-io.h").
347 The file is then created, with the specified flags, ensuring it didn't exist
349 The file is created read-write (mask at least 0600 & ~umask), but it may be
350 world-readable and world-writable (mask 0666 & ~umask), depending on the
352 Returns the open file descriptor if successful, otherwise -1 and errno
354 # if !@HAVE_MKOSTEMPS@
355 _GL_FUNCDECL_SYS (mkostemps, int,
356 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
357 _GL_ARG_NONNULL ((1)));
359 _GL_CXXALIAS_SYS (mkostemps, int,
360 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
361 _GL_CXXALIASWARN (mkostemps);
362 #elif defined GNULIB_POSIXCHECK
364 # if HAVE_RAW_DECL_MKOSTEMPS
365 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
366 "use gnulib module mkostemps for portability");
371 /* Create a unique temporary file from TEMPLATE.
372 The last six characters of TEMPLATE must be "XXXXXX";
373 they are replaced with a string that makes the file name unique.
374 The file is then created, ensuring it didn't exist before.
375 The file is created read-write (mask at least 0600 & ~umask), but it may be
376 world-readable and world-writable (mask 0666 & ~umask), depending on the
378 Returns the open file descriptor if successful, otherwise -1 and errno
380 # if @REPLACE_MKSTEMP@
381 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
382 # define mkstemp rpl_mkstemp
384 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
385 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
387 # if ! @HAVE_MKSTEMP@
388 _GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
390 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
392 _GL_CXXALIASWARN (mkstemp);
393 #elif defined GNULIB_POSIXCHECK
395 # if HAVE_RAW_DECL_MKSTEMP
396 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
397 "use gnulib module mkstemp for portability");
401 #if @GNULIB_MKSTEMPS@
402 /* Create a unique temporary file from TEMPLATE.
403 The last six characters of TEMPLATE prior to a suffix of length
404 SUFFIXLEN must be "XXXXXX";
405 they are replaced with a string that makes the file name unique.
406 The file is then created, ensuring it didn't exist before.
407 The file is created read-write (mask at least 0600 & ~umask), but it may be
408 world-readable and world-writable (mask 0666 & ~umask), depending on the
410 Returns the open file descriptor if successful, otherwise -1 and errno
412 # if !@HAVE_MKSTEMPS@
413 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
414 _GL_ARG_NONNULL ((1)));
416 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
417 _GL_CXXALIASWARN (mkstemps);
418 #elif defined GNULIB_POSIXCHECK
420 # if HAVE_RAW_DECL_MKSTEMPS
421 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
422 "use gnulib module mkstemps for portability");
426 #if @GNULIB_POSIX_OPENPT@
427 /* Return an FD open to the master side of a pseudo-terminal. Flags should
428 include O_RDWR, and may also include O_NOCTTY. */
429 # if !@HAVE_POSIX_OPENPT@
430 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
432 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
433 _GL_CXXALIASWARN (posix_openpt);
434 #elif defined GNULIB_POSIXCHECK
436 # if HAVE_RAW_DECL_POSIX_OPENPT
437 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
438 "use gnulib module posix_openpt for portability");
443 /* Return the pathname of the pseudo-terminal slave associated with
444 the master FD is open on, or NULL on errors. */
446 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
448 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
449 _GL_CXXALIASWARN (ptsname);
450 #elif defined GNULIB_POSIXCHECK
452 # if HAVE_RAW_DECL_PTSNAME
453 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
454 "use gnulib module ptsname for portability");
459 # if @REPLACE_PUTENV@
460 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
462 # define putenv rpl_putenv
464 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
465 _GL_CXXALIAS_RPL (putenv, int, (char *string));
467 _GL_CXXALIAS_SYS (putenv, int, (char *string));
469 _GL_CXXALIASWARN (putenv);
473 #if @GNULIB_RANDOM_R@
474 # if !@HAVE_RANDOM_R@
476 # define RAND_MAX 2147483647
481 #if @GNULIB_RANDOM_R@
482 # if !@HAVE_RANDOM_R@
483 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
484 _GL_ARG_NONNULL ((1, 2)));
486 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
487 _GL_CXXALIASWARN (random_r);
488 #elif defined GNULIB_POSIXCHECK
490 # if HAVE_RAW_DECL_RANDOM_R
491 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
492 "use gnulib module random_r for portability");
496 #if @GNULIB_RANDOM_R@
497 # if !@HAVE_RANDOM_R@
498 _GL_FUNCDECL_SYS (srandom_r, int,
499 (unsigned int seed, struct random_data *rand_state)
500 _GL_ARG_NONNULL ((2)));
502 _GL_CXXALIAS_SYS (srandom_r, int,
503 (unsigned int seed, struct random_data *rand_state));
504 _GL_CXXALIASWARN (srandom_r);
505 #elif defined GNULIB_POSIXCHECK
507 # if HAVE_RAW_DECL_SRANDOM_R
508 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
509 "use gnulib module random_r for portability");
513 #if @GNULIB_RANDOM_R@
514 # if !@HAVE_RANDOM_R@
515 _GL_FUNCDECL_SYS (initstate_r, int,
516 (unsigned int seed, char *buf, size_t buf_size,
517 struct random_data *rand_state)
518 _GL_ARG_NONNULL ((2, 4)));
520 _GL_CXXALIAS_SYS (initstate_r, int,
521 (unsigned int seed, char *buf, size_t buf_size,
522 struct random_data *rand_state));
523 _GL_CXXALIASWARN (initstate_r);
524 #elif defined GNULIB_POSIXCHECK
526 # if HAVE_RAW_DECL_INITSTATE_R
527 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
528 "use gnulib module random_r for portability");
532 #if @GNULIB_RANDOM_R@
533 # if !@HAVE_RANDOM_R@
534 _GL_FUNCDECL_SYS (setstate_r, int,
535 (char *arg_state, struct random_data *rand_state)
536 _GL_ARG_NONNULL ((1, 2)));
538 _GL_CXXALIAS_SYS (setstate_r, int,
539 (char *arg_state, struct random_data *rand_state));
540 _GL_CXXALIASWARN (setstate_r);
541 #elif defined GNULIB_POSIXCHECK
543 # if HAVE_RAW_DECL_SETSTATE_R
544 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
545 "use gnulib module random_r for portability");
550 #if @GNULIB_REALLOC_POSIX@
551 # if @REPLACE_REALLOC@
552 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
553 || _GL_USE_STDLIB_ALLOC)
555 # define realloc rpl_realloc
557 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
558 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
560 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
562 _GL_CXXALIASWARN (realloc);
563 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
565 /* Assume realloc is always declared. */
566 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
567 "use gnulib module realloc-posix for portability");
570 #if @GNULIB_REALPATH@
571 # if @REPLACE_REALPATH@
572 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
573 # define realpath rpl_realpath
575 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
576 _GL_ARG_NONNULL ((1)));
577 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
579 # if !@HAVE_REALPATH@
580 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
581 _GL_ARG_NONNULL ((1)));
583 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
585 _GL_CXXALIASWARN (realpath);
586 #elif defined GNULIB_POSIXCHECK
588 # if HAVE_RAW_DECL_REALPATH
589 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
590 "canonicalize or canonicalize-lgpl for portability");
595 /* Test a user response to a question.
596 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
598 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
600 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
601 _GL_CXXALIASWARN (rpmatch);
602 #elif defined GNULIB_POSIXCHECK
604 # if HAVE_RAW_DECL_RPMATCH
605 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
606 "use gnulib module rpmatch for portability");
611 /* Set NAME to VALUE in the environment.
612 If REPLACE is nonzero, overwrite an existing value. */
613 # if @REPLACE_SETENV@
614 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
616 # define setenv rpl_setenv
618 _GL_FUNCDECL_RPL (setenv, int,
619 (const char *name, const char *value, int replace)
620 _GL_ARG_NONNULL ((1)));
621 _GL_CXXALIAS_RPL (setenv, int,
622 (const char *name, const char *value, int replace));
624 # if !@HAVE_DECL_SETENV@
625 _GL_FUNCDECL_SYS (setenv, int,
626 (const char *name, const char *value, int replace)
627 _GL_ARG_NONNULL ((1)));
629 _GL_CXXALIAS_SYS (setenv, int,
630 (const char *name, const char *value, int replace));
632 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
633 _GL_CXXALIASWARN (setenv);
635 #elif defined GNULIB_POSIXCHECK
637 # if HAVE_RAW_DECL_SETENV
638 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
639 "use gnulib module setenv for portability");
644 /* Parse a double from STRING, updating ENDP if appropriate. */
645 # if @REPLACE_STRTOD@
646 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
647 # define strtod rpl_strtod
649 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
650 _GL_ARG_NONNULL ((1)));
651 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
654 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
655 _GL_ARG_NONNULL ((1)));
657 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
659 _GL_CXXALIASWARN (strtod);
660 #elif defined GNULIB_POSIXCHECK
662 # if HAVE_RAW_DECL_STRTOD
663 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
664 "use gnulib module strtod for portability");
669 /* Parse a signed integer whose textual representation starts at STRING.
670 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
671 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
673 If ENDPTR is not NULL, the address of the first byte after the integer is
675 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
678 _GL_FUNCDECL_SYS (strtoll, long long,
679 (const char *string, char **endptr, int base)
680 _GL_ARG_NONNULL ((1)));
682 _GL_CXXALIAS_SYS (strtoll, long long,
683 (const char *string, char **endptr, int base));
684 _GL_CXXALIASWARN (strtoll);
685 #elif defined GNULIB_POSIXCHECK
687 # if HAVE_RAW_DECL_STRTOLL
688 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
689 "use gnulib module strtoll for portability");
693 #if @GNULIB_STRTOULL@
694 /* Parse an unsigned integer whose textual representation starts at STRING.
695 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
696 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
698 If ENDPTR is not NULL, the address of the first byte after the integer is
700 Upon overflow, the return value is ULLONG_MAX, and errno is set to
702 # if !@HAVE_STRTOULL@
703 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
704 (const char *string, char **endptr, int base)
705 _GL_ARG_NONNULL ((1)));
707 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
708 (const char *string, char **endptr, int base));
709 _GL_CXXALIASWARN (strtoull);
710 #elif defined GNULIB_POSIXCHECK
712 # if HAVE_RAW_DECL_STRTOULL
713 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
714 "use gnulib module strtoull for portability");
718 #if @GNULIB_UNLOCKPT@
719 /* Unlock the slave side of the pseudo-terminal whose master side is specified
720 by FD, so that it can be opened. */
721 # if !@HAVE_UNLOCKPT@
722 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
724 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
725 _GL_CXXALIASWARN (unlockpt);
726 #elif defined GNULIB_POSIXCHECK
728 # if HAVE_RAW_DECL_UNLOCKPT
729 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
730 "use gnulib module unlockpt for portability");
734 #if @GNULIB_UNSETENV@
735 /* Remove the variable NAME from the environment. */
736 # if @REPLACE_UNSETENV@
737 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
739 # define unsetenv rpl_unsetenv
741 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
742 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
744 # if !@HAVE_DECL_UNSETENV@
745 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
747 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
749 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
750 _GL_CXXALIASWARN (unsetenv);
752 #elif defined GNULIB_POSIXCHECK
754 # if HAVE_RAW_DECL_UNSETENV
755 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
756 "use gnulib module unsetenv for portability");
760 /* Convert a wide character to a multibyte character. */
762 # if @REPLACE_WCTOMB@
763 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
765 # define wctomb rpl_wctomb
767 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
768 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
770 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
772 _GL_CXXALIASWARN (wctomb);
776 #endif /* _@GUARD_PREFIX@_STDLIB_H */
777 #endif /* _@GUARD_PREFIX@_STDLIB_H */