1 /* A GNU-like <stdlib.h>.
3 Copyright (C) 1995, 2001-2004, 2006-2012 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@ || @REPLACE_RANDOM_R@ || !@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 (grantpt, "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");
458 #if @GNULIB_PTSNAME_R@
459 /* Set the pathname of the pseudo-terminal slave associated with
460 the master FD is open on and return 0, or set errno and return
461 non-zero on errors. */
462 # if @REPLACE_PTSNAME_R@
463 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
465 # define ptsname_r rpl_ptsname_r
467 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
468 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
470 # if !@HAVE_PTSNAME_R@
471 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
473 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
475 _GL_CXXALIASWARN (ptsname_r);
476 #elif defined GNULIB_POSIXCHECK
478 # if HAVE_RAW_DECL_PTSNAME_R
479 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
480 "use gnulib module ptsname_r for portability");
485 # if @REPLACE_PUTENV@
486 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
488 # define putenv rpl_putenv
490 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
491 _GL_CXXALIAS_RPL (putenv, int, (char *string));
493 _GL_CXXALIAS_SYS (putenv, int, (char *string));
495 _GL_CXXALIASWARN (putenv);
499 #if @GNULIB_RANDOM_R@
500 # if !@HAVE_RANDOM_R@
502 # define RAND_MAX 2147483647
510 _GL_FUNCDECL_SYS (random, long, (void));
512 _GL_CXXALIAS_SYS (random, long, (void));
513 _GL_CXXALIASWARN (random);
514 #elif defined GNULIB_POSIXCHECK
516 # if HAVE_RAW_DECL_RANDOM
517 _GL_WARN_ON_USE (random, "random is unportable - "
518 "use gnulib module random for portability");
524 _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
526 _GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
527 _GL_CXXALIASWARN (srandom);
528 #elif defined GNULIB_POSIXCHECK
530 # if HAVE_RAW_DECL_SRANDOM
531 _GL_WARN_ON_USE (srandom, "srandom is unportable - "
532 "use gnulib module random for portability");
538 _GL_FUNCDECL_SYS (initstate, char *,
539 (unsigned int seed, char *buf, size_t buf_size)
540 _GL_ARG_NONNULL ((2)));
542 _GL_CXXALIAS_SYS (initstate, char *,
543 (unsigned int seed, char *buf, size_t buf_size));
544 _GL_CXXALIASWARN (initstate);
545 #elif defined GNULIB_POSIXCHECK
547 # if HAVE_RAW_DECL_INITSTATE_R
548 _GL_WARN_ON_USE (initstate, "initstate is unportable - "
549 "use gnulib module random for portability");
555 _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
557 _GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
558 _GL_CXXALIASWARN (setstate);
559 #elif defined GNULIB_POSIXCHECK
561 # if HAVE_RAW_DECL_SETSTATE_R
562 _GL_WARN_ON_USE (setstate, "setstate is unportable - "
563 "use gnulib module random for portability");
568 #if @GNULIB_RANDOM_R@
569 # if @REPLACE_RANDOM_R@
570 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
572 # define random_r rpl_random_r
574 _GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
575 _GL_ARG_NONNULL ((1, 2)));
576 _GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
578 # if !@HAVE_RANDOM_R@
579 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
580 _GL_ARG_NONNULL ((1, 2)));
582 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
584 _GL_CXXALIASWARN (random_r);
585 #elif defined GNULIB_POSIXCHECK
587 # if HAVE_RAW_DECL_RANDOM_R
588 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
589 "use gnulib module random_r for portability");
593 #if @GNULIB_RANDOM_R@
594 # if @REPLACE_RANDOM_R@
595 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
597 # define srandom_r rpl_srandom_r
599 _GL_FUNCDECL_RPL (srandom_r, int,
600 (unsigned int seed, struct random_data *rand_state)
601 _GL_ARG_NONNULL ((2)));
602 _GL_CXXALIAS_RPL (srandom_r, int,
603 (unsigned int seed, struct random_data *rand_state));
605 # if !@HAVE_RANDOM_R@
606 _GL_FUNCDECL_SYS (srandom_r, int,
607 (unsigned int seed, struct random_data *rand_state)
608 _GL_ARG_NONNULL ((2)));
610 _GL_CXXALIAS_SYS (srandom_r, int,
611 (unsigned int seed, struct random_data *rand_state));
613 _GL_CXXALIASWARN (srandom_r);
614 #elif defined GNULIB_POSIXCHECK
616 # if HAVE_RAW_DECL_SRANDOM_R
617 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
618 "use gnulib module random_r for portability");
622 #if @GNULIB_RANDOM_R@
623 # if @REPLACE_RANDOM_R@
624 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
626 # define initstate_r rpl_initstate_r
628 _GL_FUNCDECL_RPL (initstate_r, int,
629 (unsigned int seed, char *buf, size_t buf_size,
630 struct random_data *rand_state)
631 _GL_ARG_NONNULL ((2, 4)));
632 _GL_CXXALIAS_RPL (initstate_r, int,
633 (unsigned int seed, char *buf, size_t buf_size,
634 struct random_data *rand_state));
636 # if !@HAVE_RANDOM_R@
637 _GL_FUNCDECL_SYS (initstate_r, int,
638 (unsigned int seed, char *buf, size_t buf_size,
639 struct random_data *rand_state)
640 _GL_ARG_NONNULL ((2, 4)));
642 _GL_CXXALIAS_SYS (initstate_r, int,
643 (unsigned int seed, char *buf, size_t buf_size,
644 struct random_data *rand_state));
646 _GL_CXXALIASWARN (initstate_r);
647 #elif defined GNULIB_POSIXCHECK
649 # if HAVE_RAW_DECL_INITSTATE_R
650 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
651 "use gnulib module random_r for portability");
655 #if @GNULIB_RANDOM_R@
656 # if @REPLACE_RANDOM_R@
657 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
659 # define setstate_r rpl_setstate_r
661 _GL_FUNCDECL_RPL (setstate_r, int,
662 (char *arg_state, struct random_data *rand_state)
663 _GL_ARG_NONNULL ((1, 2)));
664 _GL_CXXALIAS_RPL (setstate_r, int,
665 (char *arg_state, struct random_data *rand_state));
667 # if !@HAVE_RANDOM_R@
668 _GL_FUNCDECL_SYS (setstate_r, int,
669 (char *arg_state, struct random_data *rand_state)
670 _GL_ARG_NONNULL ((1, 2)));
672 _GL_CXXALIAS_SYS (setstate_r, int,
673 (char *arg_state, struct random_data *rand_state));
675 _GL_CXXALIASWARN (setstate_r);
676 #elif defined GNULIB_POSIXCHECK
678 # if HAVE_RAW_DECL_SETSTATE_R
679 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
680 "use gnulib module random_r for portability");
685 #if @GNULIB_REALLOC_POSIX@
686 # if @REPLACE_REALLOC@
687 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
688 || _GL_USE_STDLIB_ALLOC)
690 # define realloc rpl_realloc
692 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
693 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
695 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
697 _GL_CXXALIASWARN (realloc);
698 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
700 /* Assume realloc is always declared. */
701 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
702 "use gnulib module realloc-posix for portability");
705 #if @GNULIB_REALPATH@
706 # if @REPLACE_REALPATH@
707 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
708 # define realpath rpl_realpath
710 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
711 _GL_ARG_NONNULL ((1)));
712 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
714 # if !@HAVE_REALPATH@
715 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
716 _GL_ARG_NONNULL ((1)));
718 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
720 _GL_CXXALIASWARN (realpath);
721 #elif defined GNULIB_POSIXCHECK
723 # if HAVE_RAW_DECL_REALPATH
724 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
725 "canonicalize or canonicalize-lgpl for portability");
730 /* Test a user response to a question.
731 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
733 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
735 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
736 _GL_CXXALIASWARN (rpmatch);
737 #elif defined GNULIB_POSIXCHECK
739 # if HAVE_RAW_DECL_RPMATCH
740 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
741 "use gnulib module rpmatch for portability");
746 /* Set NAME to VALUE in the environment.
747 If REPLACE is nonzero, overwrite an existing value. */
748 # if @REPLACE_SETENV@
749 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
751 # define setenv rpl_setenv
753 _GL_FUNCDECL_RPL (setenv, int,
754 (const char *name, const char *value, int replace)
755 _GL_ARG_NONNULL ((1)));
756 _GL_CXXALIAS_RPL (setenv, int,
757 (const char *name, const char *value, int replace));
759 # if !@HAVE_DECL_SETENV@
760 _GL_FUNCDECL_SYS (setenv, int,
761 (const char *name, const char *value, int replace)
762 _GL_ARG_NONNULL ((1)));
764 _GL_CXXALIAS_SYS (setenv, int,
765 (const char *name, const char *value, int replace));
767 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
768 _GL_CXXALIASWARN (setenv);
770 #elif defined GNULIB_POSIXCHECK
772 # if HAVE_RAW_DECL_SETENV
773 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
774 "use gnulib module setenv for portability");
779 /* Parse a double from STRING, updating ENDP if appropriate. */
780 # if @REPLACE_STRTOD@
781 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
782 # define strtod rpl_strtod
784 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
785 _GL_ARG_NONNULL ((1)));
786 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
789 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
790 _GL_ARG_NONNULL ((1)));
792 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
794 _GL_CXXALIASWARN (strtod);
795 #elif defined GNULIB_POSIXCHECK
797 # if HAVE_RAW_DECL_STRTOD
798 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
799 "use gnulib module strtod for portability");
804 /* Parse a signed integer whose textual representation starts at STRING.
805 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
806 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
808 If ENDPTR is not NULL, the address of the first byte after the integer is
810 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
813 _GL_FUNCDECL_SYS (strtoll, long long,
814 (const char *string, char **endptr, int base)
815 _GL_ARG_NONNULL ((1)));
817 _GL_CXXALIAS_SYS (strtoll, long long,
818 (const char *string, char **endptr, int base));
819 _GL_CXXALIASWARN (strtoll);
820 #elif defined GNULIB_POSIXCHECK
822 # if HAVE_RAW_DECL_STRTOLL
823 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
824 "use gnulib module strtoll for portability");
828 #if @GNULIB_STRTOULL@
829 /* Parse an unsigned integer whose textual representation starts at STRING.
830 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
831 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
833 If ENDPTR is not NULL, the address of the first byte after the integer is
835 Upon overflow, the return value is ULLONG_MAX, and errno is set to
837 # if !@HAVE_STRTOULL@
838 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
839 (const char *string, char **endptr, int base)
840 _GL_ARG_NONNULL ((1)));
842 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
843 (const char *string, char **endptr, int base));
844 _GL_CXXALIASWARN (strtoull);
845 #elif defined GNULIB_POSIXCHECK
847 # if HAVE_RAW_DECL_STRTOULL
848 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
849 "use gnulib module strtoull for portability");
853 #if @GNULIB_UNLOCKPT@
854 /* Unlock the slave side of the pseudo-terminal whose master side is specified
855 by FD, so that it can be opened. */
856 # if !@HAVE_UNLOCKPT@
857 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
859 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
860 _GL_CXXALIASWARN (unlockpt);
861 #elif defined GNULIB_POSIXCHECK
863 # if HAVE_RAW_DECL_UNLOCKPT
864 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
865 "use gnulib module unlockpt for portability");
869 #if @GNULIB_UNSETENV@
870 /* Remove the variable NAME from the environment. */
871 # if @REPLACE_UNSETENV@
872 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
874 # define unsetenv rpl_unsetenv
876 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
877 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
879 # if !@HAVE_DECL_UNSETENV@
880 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
882 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
884 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
885 _GL_CXXALIASWARN (unsetenv);
887 #elif defined GNULIB_POSIXCHECK
889 # if HAVE_RAW_DECL_UNSETENV
890 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
891 "use gnulib module unsetenv for portability");
895 /* Convert a wide character to a multibyte character. */
897 # if @REPLACE_WCTOMB@
898 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
900 # define wctomb rpl_wctomb
902 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
903 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
905 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
907 _GL_CXXALIASWARN (wctomb);
911 #endif /* _@GUARD_PREFIX@_STDLIB_H */
912 #endif /* _@GUARD_PREFIX@_STDLIB_H */