1/* A GNU-like <stdlib.h>.
2
3   Copyright (C) 1995, 2001-2004, 2006-2014 Free Software Foundation, Inc.
4
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.
9
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.
14
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/>.  */
17
18#if __GNUC__ >= 3
19@PRAGMA_SYSTEM_HEADER@
20#endif
21@PRAGMA_COLUMNS@
22
23#if defined __need_system_stdlib_h || defined __need_malloc_and_calloc
24/* Special invocation conventions inside some gnulib header files,
25   and inside some glibc header files, respectively.  */
26
27#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
28
29#else
30/* Normal invocation convention.  */
31
32#ifndef _@GUARD_PREFIX@_STDLIB_H
33
34/* The include_next requires a split double-inclusion guard.  */
35#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
36
37#ifndef _@GUARD_PREFIX@_STDLIB_H
38#define _@GUARD_PREFIX@_STDLIB_H
39
40/* NetBSD 5.0 mis-defines NULL.  */
41#include <stddef.h>
42
43/* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>.  */
44#if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
45# include <sys/wait.h>
46#endif
47
48/* Solaris declares getloadavg() in <sys/loadavg.h>.  */
49#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
50# include <sys/loadavg.h>
51#endif
52
53/* Native Windows platforms declare mktemp() in <io.h>.  */
54#if 0 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
55# include <io.h>
56#endif
57
58#if @GNULIB_RANDOM_R@
59
60/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
61   from <stdlib.h> if _REENTRANT is defined.  Include it whenever we need
62   'struct random_data'.  */
63# if @HAVE_RANDOM_H@
64#  include <random.h>
65# endif
66
67# if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
68#  include <stdint.h>
69# endif
70
71# if !@HAVE_STRUCT_RANDOM_DATA@
72/* Define 'struct random_data'.
73   But allow multiple gnulib generated <stdlib.h> replacements to coexist.  */
74#  if !GNULIB_defined_struct_random_data
75struct random_data
76{
77  int32_t *fptr;                /* Front pointer.  */
78  int32_t *rptr;                /* Rear pointer.  */
79  int32_t *state;               /* Array of state values.  */
80  int rand_type;                /* Type of random number generator.  */
81  int rand_deg;                 /* Degree of random number generator.  */
82  int rand_sep;                 /* Distance between front and rear.  */
83  int32_t *end_ptr;             /* Pointer behind state table.  */
84};
85#   define GNULIB_defined_struct_random_data 1
86#  endif
87# endif
88#endif
89
90#if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
91/* On Mac OS X 10.3, only <unistd.h> declares mkstemp.  */
92/* On Mac OS X 10.5, only <unistd.h> declares mkstemps.  */
93/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt.  */
94/* But avoid namespace pollution on glibc systems and native Windows.  */
95# include <unistd.h>
96#endif
97
98/* The __attribute__ feature is available in gcc versions 2.5 and later.
99   The attribute __pure__ was added in gcc 2.96.  */
100#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
101# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
102#else
103# define _GL_ATTRIBUTE_PURE /* empty */
104#endif
105
106/* The definition of _Noreturn is copied here.  */
107
108/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
109
110/* The definition of _GL_ARG_NONNULL is copied here.  */
111
112/* The definition of _GL_WARN_ON_USE is copied here.  */
113
114
115/* Some systems do not define EXIT_*, despite otherwise supporting C89.  */
116#ifndef EXIT_SUCCESS
117# define EXIT_SUCCESS 0
118#endif
119/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
120   with proper operation of xargs.  */
121#ifndef EXIT_FAILURE
122# define EXIT_FAILURE 1
123#elif EXIT_FAILURE != 1
124# undef EXIT_FAILURE
125# define EXIT_FAILURE 1
126#endif
127
128
129#if @GNULIB__EXIT@
130/* Terminate the current process with the given return code, without running
131   the 'atexit' handlers.  */
132# if !@HAVE__EXIT@
133_GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
134# endif
135_GL_CXXALIAS_SYS (_Exit, void, (int status));
136_GL_CXXALIASWARN (_Exit);
137#elif defined GNULIB_POSIXCHECK
138# undef _Exit
139# if HAVE_RAW_DECL__EXIT
140_GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
141                 "use gnulib module _Exit for portability");
142# endif
143#endif
144
145
146#if @GNULIB_ATOLL@
147/* Parse a signed decimal integer.
148   Returns the value of the integer.  Errors are not detected.  */
149# if !@HAVE_ATOLL@
150_GL_FUNCDECL_SYS (atoll, long long, (const char *string)
151                                    _GL_ATTRIBUTE_PURE
152                                    _GL_ARG_NONNULL ((1)));
153# endif
154_GL_CXXALIAS_SYS (atoll, long long, (const char *string));
155_GL_CXXALIASWARN (atoll);
156#elif defined GNULIB_POSIXCHECK
157# undef atoll
158# if HAVE_RAW_DECL_ATOLL
159_GL_WARN_ON_USE (atoll, "atoll is unportable - "
160                 "use gnulib module atoll for portability");
161# endif
162#endif
163
164#if @GNULIB_CALLOC_POSIX@
165# if @REPLACE_CALLOC@
166#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
167#   undef calloc
168#   define calloc rpl_calloc
169#  endif
170_GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
171_GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
172# else
173_GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
174# endif
175_GL_CXXALIASWARN (calloc);
176#elif defined GNULIB_POSIXCHECK
177# undef calloc
178/* Assume calloc is always declared.  */
179_GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
180                 "use gnulib module calloc-posix for portability");
181#endif
182
183#if @GNULIB_CANONICALIZE_FILE_NAME@
184# if @REPLACE_CANONICALIZE_FILE_NAME@
185#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
186#   define canonicalize_file_name rpl_canonicalize_file_name
187#  endif
188_GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
189                                                  _GL_ARG_NONNULL ((1)));
190_GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
191# else
192#  if !@HAVE_CANONICALIZE_FILE_NAME@
193_GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
194                                                  _GL_ARG_NONNULL ((1)));
195#  endif
196_GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
197# endif
198_GL_CXXALIASWARN (canonicalize_file_name);
199#elif defined GNULIB_POSIXCHECK
200# undef canonicalize_file_name
201# if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
202_GL_WARN_ON_USE (canonicalize_file_name,
203                 "canonicalize_file_name is unportable - "
204                 "use gnulib module canonicalize-lgpl for portability");
205# endif
206#endif
207
208#if @GNULIB_GETLOADAVG@
209/* Store max(NELEM,3) load average numbers in LOADAVG[].
210   The three numbers are the load average of the last 1 minute, the last 5
211   minutes, and the last 15 minutes, respectively.
212   LOADAVG is an array of NELEM numbers.  */
213# if !@HAVE_DECL_GETLOADAVG@
214_GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
215                                   _GL_ARG_NONNULL ((1)));
216# endif
217_GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
218_GL_CXXALIASWARN (getloadavg);
219#elif defined GNULIB_POSIXCHECK
220# undef getloadavg
221# if HAVE_RAW_DECL_GETLOADAVG
222_GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
223                 "use gnulib module getloadavg for portability");
224# endif
225#endif
226
227#if @GNULIB_GETSUBOPT@
228/* Assuming *OPTIONP is a comma separated list of elements of the form
229   "token" or "token=value", getsubopt parses the first of these elements.
230   If the first element refers to a "token" that is member of the given
231   NULL-terminated array of tokens:
232     - It replaces the comma with a NUL byte, updates *OPTIONP to point past
233       the first option and the comma, sets *VALUEP to the value of the
234       element (or NULL if it doesn't contain an "=" sign),
235     - It returns the index of the "token" in the given array of tokens.
236   Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
237   For more details see the POSIX:2001 specification.
238   http://www.opengroup.org/susv3xsh/getsubopt.html */
239# if !@HAVE_GETSUBOPT@
240_GL_FUNCDECL_SYS (getsubopt, int,
241                  (char **optionp, char *const *tokens, char **valuep)
242                  _GL_ARG_NONNULL ((1, 2, 3)));
243# endif
244_GL_CXXALIAS_SYS (getsubopt, int,
245                  (char **optionp, char *const *tokens, char **valuep));
246_GL_CXXALIASWARN (getsubopt);
247#elif defined GNULIB_POSIXCHECK
248# undef getsubopt
249# if HAVE_RAW_DECL_GETSUBOPT
250_GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
251                 "use gnulib module getsubopt for portability");
252# endif
253#endif
254
255#if @GNULIB_GRANTPT@
256/* Change the ownership and access permission of the slave side of the
257   pseudo-terminal whose master side is specified by FD.  */
258# if !@HAVE_GRANTPT@
259_GL_FUNCDECL_SYS (grantpt, int, (int fd));
260# endif
261_GL_CXXALIAS_SYS (grantpt, int, (int fd));
262_GL_CXXALIASWARN (grantpt);
263#elif defined GNULIB_POSIXCHECK
264# undef grantpt
265# if HAVE_RAW_DECL_GRANTPT
266_GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
267                 "use gnulib module grantpt for portability");
268# endif
269#endif
270
271/* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
272   rely on GNU or POSIX semantics for malloc and realloc (for example,
273   by never specifying a zero size), so it does not need malloc or
274   realloc to be redefined.  */
275#if @GNULIB_MALLOC_POSIX@
276# if @REPLACE_MALLOC@
277#  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
278        || _GL_USE_STDLIB_ALLOC)
279#   undef malloc
280#   define malloc rpl_malloc
281#  endif
282_GL_FUNCDECL_RPL (malloc, void *, (size_t size));
283_GL_CXXALIAS_RPL (malloc, void *, (size_t size));
284# else
285_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
286# endif
287_GL_CXXALIASWARN (malloc);
288#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
289# undef malloc
290/* Assume malloc is always declared.  */
291_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
292                 "use gnulib module malloc-posix for portability");
293#endif
294
295/* Convert a multibyte character to a wide character.  */
296#if @GNULIB_MBTOWC@
297# if @REPLACE_MBTOWC@
298#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
299#   undef mbtowc
300#   define mbtowc rpl_mbtowc
301#  endif
302_GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
303_GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
304# else
305_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
306# endif
307_GL_CXXALIASWARN (mbtowc);
308#endif
309
310#if @GNULIB_MKDTEMP@
311/* Create a unique temporary directory from TEMPLATE.
312   The last six characters of TEMPLATE must be "XXXXXX";
313   they are replaced with a string that makes the directory name unique.
314   Returns TEMPLATE, or a null pointer if it cannot get a unique name.
315   The directory is created mode 700.  */
316# if !@HAVE_MKDTEMP@
317_GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
318# endif
319_GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
320_GL_CXXALIASWARN (mkdtemp);
321#elif defined GNULIB_POSIXCHECK
322# undef mkdtemp
323# if HAVE_RAW_DECL_MKDTEMP
324_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
325                 "use gnulib module mkdtemp for portability");
326# endif
327#endif
328
329#if @GNULIB_MKOSTEMP@
330/* Create a unique temporary file from TEMPLATE.
331   The last six characters of TEMPLATE must be "XXXXXX";
332   they are replaced with a string that makes the file name unique.
333   The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
334   and O_TEXT, O_BINARY (defined in "binary-io.h").
335   The file is then created, with the specified flags, ensuring it didn't exist
336   before.
337   The file is created read-write (mask at least 0600 & ~umask), but it may be
338   world-readable and world-writable (mask 0666 & ~umask), depending on the
339   implementation.
340   Returns the open file descriptor if successful, otherwise -1 and errno
341   set.  */
342# if !@HAVE_MKOSTEMP@
343_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
344                                 _GL_ARG_NONNULL ((1)));
345# endif
346_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
347_GL_CXXALIASWARN (mkostemp);
348#elif defined GNULIB_POSIXCHECK
349# undef mkostemp
350# if HAVE_RAW_DECL_MKOSTEMP
351_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
352                 "use gnulib module mkostemp for portability");
353# endif
354#endif
355
356#if @GNULIB_MKOSTEMPS@
357/* Create a unique temporary file from TEMPLATE.
358   The last six characters of TEMPLATE before a suffix of length
359   SUFFIXLEN must be "XXXXXX";
360   they are replaced with a string that makes the file name unique.
361   The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
362   and O_TEXT, O_BINARY (defined in "binary-io.h").
363   The file is then created, with the specified flags, ensuring it didn't exist
364   before.
365   The file is created read-write (mask at least 0600 & ~umask), but it may be
366   world-readable and world-writable (mask 0666 & ~umask), depending on the
367   implementation.
368   Returns the open file descriptor if successful, otherwise -1 and errno
369   set.  */
370# if !@HAVE_MKOSTEMPS@
371_GL_FUNCDECL_SYS (mkostemps, int,
372                  (char * /*template*/, int /*suffixlen*/, int /*flags*/)
373                  _GL_ARG_NONNULL ((1)));
374# endif
375_GL_CXXALIAS_SYS (mkostemps, int,
376                  (char * /*template*/, int /*suffixlen*/, int /*flags*/));
377_GL_CXXALIASWARN (mkostemps);
378#elif defined GNULIB_POSIXCHECK
379# undef mkostemps
380# if HAVE_RAW_DECL_MKOSTEMPS
381_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
382                 "use gnulib module mkostemps for portability");
383# endif
384#endif
385
386#if @GNULIB_MKSTEMP@
387/* Create a unique temporary file from TEMPLATE.
388   The last six characters of TEMPLATE must be "XXXXXX";
389   they are replaced with a string that makes the file name unique.
390   The file is then created, ensuring it didn't exist before.
391   The file is created read-write (mask at least 0600 & ~umask), but it may be
392   world-readable and world-writable (mask 0666 & ~umask), depending on the
393   implementation.
394   Returns the open file descriptor if successful, otherwise -1 and errno
395   set.  */
396# if @REPLACE_MKSTEMP@
397#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
398#   define mkstemp rpl_mkstemp
399#  endif
400_GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
401_GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
402# else
403#  if ! @HAVE_MKSTEMP@
404_GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
405#  endif
406_GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
407# endif
408_GL_CXXALIASWARN (mkstemp);
409#elif defined GNULIB_POSIXCHECK
410# undef mkstemp
411# if HAVE_RAW_DECL_MKSTEMP
412_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
413                 "use gnulib module mkstemp for portability");
414# endif
415#endif
416
417#if @GNULIB_MKSTEMPS@
418/* Create a unique temporary file from TEMPLATE.
419   The last six characters of TEMPLATE prior to a suffix of length
420   SUFFIXLEN must be "XXXXXX";
421   they are replaced with a string that makes the file name unique.
422   The file is then created, ensuring it didn't exist before.
423   The file is created read-write (mask at least 0600 & ~umask), but it may be
424   world-readable and world-writable (mask 0666 & ~umask), depending on the
425   implementation.
426   Returns the open file descriptor if successful, otherwise -1 and errno
427   set.  */
428# if !@HAVE_MKSTEMPS@
429_GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
430                                 _GL_ARG_NONNULL ((1)));
431# endif
432_GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
433_GL_CXXALIASWARN (mkstemps);
434#elif defined GNULIB_POSIXCHECK
435# undef mkstemps
436# if HAVE_RAW_DECL_MKSTEMPS
437_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
438                 "use gnulib module mkstemps for portability");
439# endif
440#endif
441
442#if @GNULIB_POSIX_OPENPT@
443/* Return an FD open to the master side of a pseudo-terminal.  Flags should
444   include O_RDWR, and may also include O_NOCTTY.  */
445# if !@HAVE_POSIX_OPENPT@
446_GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
447# endif
448_GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
449_GL_CXXALIASWARN (posix_openpt);
450#elif defined GNULIB_POSIXCHECK
451# undef posix_openpt
452# if HAVE_RAW_DECL_POSIX_OPENPT
453_GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
454                 "use gnulib module posix_openpt for portability");
455# endif
456#endif
457
458#if @GNULIB_PTSNAME@
459/* Return the pathname of the pseudo-terminal slave associated with
460   the master FD is open on, or NULL on errors.  */
461# if @REPLACE_PTSNAME@
462#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
463#   undef ptsname
464#   define ptsname rpl_ptsname
465#  endif
466_GL_FUNCDECL_RPL (ptsname, char *, (int fd));
467_GL_CXXALIAS_RPL (ptsname, char *, (int fd));
468# else
469#  if !@HAVE_PTSNAME@
470_GL_FUNCDECL_SYS (ptsname, char *, (int fd));
471#  endif
472_GL_CXXALIAS_SYS (ptsname, char *, (int fd));
473# endif
474_GL_CXXALIASWARN (ptsname);
475#elif defined GNULIB_POSIXCHECK
476# undef ptsname
477# if HAVE_RAW_DECL_PTSNAME
478_GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
479                 "use gnulib module ptsname for portability");
480# endif
481#endif
482
483#if @GNULIB_PTSNAME_R@
484/* Set the pathname of the pseudo-terminal slave associated with
485   the master FD is open on and return 0, or set errno and return
486   non-zero on errors.  */
487# if @REPLACE_PTSNAME_R@
488#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
489#   undef ptsname_r
490#   define ptsname_r rpl_ptsname_r
491#  endif
492_GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
493_GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
494# else
495#  if !@HAVE_PTSNAME_R@
496_GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
497#  endif
498_GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
499# endif
500_GL_CXXALIASWARN (ptsname_r);
501#elif defined GNULIB_POSIXCHECK
502# undef ptsname_r
503# if HAVE_RAW_DECL_PTSNAME_R
504_GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
505                 "use gnulib module ptsname_r for portability");
506# endif
507#endif
508
509#if @GNULIB_PUTENV@
510# if @REPLACE_PUTENV@
511#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
512#   undef putenv
513#   define putenv rpl_putenv
514#  endif
515_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
516_GL_CXXALIAS_RPL (putenv, int, (char *string));
517# else
518_GL_CXXALIAS_SYS (putenv, int, (char *string));
519# endif
520_GL_CXXALIASWARN (putenv);
521#endif
522
523
524#if @GNULIB_RANDOM_R@
525# if !@HAVE_RANDOM_R@
526#  ifndef RAND_MAX
527#   define RAND_MAX 2147483647
528#  endif
529# endif
530#endif
531
532
533#if @GNULIB_RANDOM@
534# if !@HAVE_RANDOM@
535_GL_FUNCDECL_SYS (random, long, (void));
536# endif
537_GL_CXXALIAS_SYS (random, long, (void));
538_GL_CXXALIASWARN (random);
539#elif defined GNULIB_POSIXCHECK
540# undef random
541# if HAVE_RAW_DECL_RANDOM
542_GL_WARN_ON_USE (random, "random is unportable - "
543                 "use gnulib module random for portability");
544# endif
545#endif
546
547#if @GNULIB_RANDOM@
548# if !@HAVE_RANDOM@
549_GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
550# endif
551_GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
552_GL_CXXALIASWARN (srandom);
553#elif defined GNULIB_POSIXCHECK
554# undef srandom
555# if HAVE_RAW_DECL_SRANDOM
556_GL_WARN_ON_USE (srandom, "srandom is unportable - "
557                 "use gnulib module random for portability");
558# endif
559#endif
560
561#if @GNULIB_RANDOM@
562# if !@HAVE_RANDOM@
563_GL_FUNCDECL_SYS (initstate, char *,
564                  (unsigned int seed, char *buf, size_t buf_size)
565                  _GL_ARG_NONNULL ((2)));
566# endif
567_GL_CXXALIAS_SYS (initstate, char *,
568                  (unsigned int seed, char *buf, size_t buf_size));
569_GL_CXXALIASWARN (initstate);
570#elif defined GNULIB_POSIXCHECK
571# undef initstate
572# if HAVE_RAW_DECL_INITSTATE_R
573_GL_WARN_ON_USE (initstate, "initstate is unportable - "
574                 "use gnulib module random for portability");
575# endif
576#endif
577
578#if @GNULIB_RANDOM@
579# if !@HAVE_RANDOM@
580_GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
581# endif
582_GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
583_GL_CXXALIASWARN (setstate);
584#elif defined GNULIB_POSIXCHECK
585# undef setstate
586# if HAVE_RAW_DECL_SETSTATE_R
587_GL_WARN_ON_USE (setstate, "setstate is unportable - "
588                 "use gnulib module random for portability");
589# endif
590#endif
591
592
593#if @GNULIB_RANDOM_R@
594# if @REPLACE_RANDOM_R@
595#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
596#   undef random_r
597#   define random_r rpl_random_r
598#  endif
599_GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
600                                 _GL_ARG_NONNULL ((1, 2)));
601_GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
602# else
603#  if !@HAVE_RANDOM_R@
604_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
605                                 _GL_ARG_NONNULL ((1, 2)));
606#  endif
607_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
608# endif
609_GL_CXXALIASWARN (random_r);
610#elif defined GNULIB_POSIXCHECK
611# undef random_r
612# if HAVE_RAW_DECL_RANDOM_R
613_GL_WARN_ON_USE (random_r, "random_r is unportable - "
614                 "use gnulib module random_r for portability");
615# endif
616#endif
617
618#if @GNULIB_RANDOM_R@
619# if @REPLACE_RANDOM_R@
620#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
621#   undef srandom_r
622#   define srandom_r rpl_srandom_r
623#  endif
624_GL_FUNCDECL_RPL (srandom_r, int,
625                  (unsigned int seed, struct random_data *rand_state)
626                  _GL_ARG_NONNULL ((2)));
627_GL_CXXALIAS_RPL (srandom_r, int,
628                  (unsigned int seed, struct random_data *rand_state));
629# else
630#  if !@HAVE_RANDOM_R@
631_GL_FUNCDECL_SYS (srandom_r, int,
632                  (unsigned int seed, struct random_data *rand_state)
633                  _GL_ARG_NONNULL ((2)));
634#  endif
635_GL_CXXALIAS_SYS (srandom_r, int,
636                  (unsigned int seed, struct random_data *rand_state));
637# endif
638_GL_CXXALIASWARN (srandom_r);
639#elif defined GNULIB_POSIXCHECK
640# undef srandom_r
641# if HAVE_RAW_DECL_SRANDOM_R
642_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
643                 "use gnulib module random_r for portability");
644# endif
645#endif
646
647#if @GNULIB_RANDOM_R@
648# if @REPLACE_RANDOM_R@
649#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
650#   undef initstate_r
651#   define initstate_r rpl_initstate_r
652#  endif
653_GL_FUNCDECL_RPL (initstate_r, int,
654                  (unsigned int seed, char *buf, size_t buf_size,
655                   struct random_data *rand_state)
656                  _GL_ARG_NONNULL ((2, 4)));
657_GL_CXXALIAS_RPL (initstate_r, int,
658                  (unsigned int seed, char *buf, size_t buf_size,
659                   struct random_data *rand_state));
660# else
661#  if !@HAVE_RANDOM_R@
662_GL_FUNCDECL_SYS (initstate_r, int,
663                  (unsigned int seed, char *buf, size_t buf_size,
664                   struct random_data *rand_state)
665                  _GL_ARG_NONNULL ((2, 4)));
666#  endif
667_GL_CXXALIAS_SYS (initstate_r, int,
668                  (unsigned int seed, char *buf, size_t buf_size,
669                   struct random_data *rand_state));
670# endif
671_GL_CXXALIASWARN (initstate_r);
672#elif defined GNULIB_POSIXCHECK
673# undef initstate_r
674# if HAVE_RAW_DECL_INITSTATE_R
675_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
676                 "use gnulib module random_r for portability");
677# endif
678#endif
679
680#if @GNULIB_RANDOM_R@
681# if @REPLACE_RANDOM_R@
682#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
683#   undef setstate_r
684#   define setstate_r rpl_setstate_r
685#  endif
686_GL_FUNCDECL_RPL (setstate_r, int,
687                  (char *arg_state, struct random_data *rand_state)
688                  _GL_ARG_NONNULL ((1, 2)));
689_GL_CXXALIAS_RPL (setstate_r, int,
690                  (char *arg_state, struct random_data *rand_state));
691# else
692#  if !@HAVE_RANDOM_R@
693_GL_FUNCDECL_SYS (setstate_r, int,
694                  (char *arg_state, struct random_data *rand_state)
695                  _GL_ARG_NONNULL ((1, 2)));
696#  endif
697_GL_CXXALIAS_SYS (setstate_r, int,
698                  (char *arg_state, struct random_data *rand_state));
699# endif
700_GL_CXXALIASWARN (setstate_r);
701#elif defined GNULIB_POSIXCHECK
702# undef setstate_r
703# if HAVE_RAW_DECL_SETSTATE_R
704_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
705                 "use gnulib module random_r for portability");
706# endif
707#endif
708
709
710#if @GNULIB_REALLOC_POSIX@
711# if @REPLACE_REALLOC@
712#  if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
713        || _GL_USE_STDLIB_ALLOC)
714#   undef realloc
715#   define realloc rpl_realloc
716#  endif
717_GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
718_GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
719# else
720_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
721# endif
722_GL_CXXALIASWARN (realloc);
723#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
724# undef realloc
725/* Assume realloc is always declared.  */
726_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
727                 "use gnulib module realloc-posix for portability");
728#endif
729
730#if @GNULIB_REALPATH@
731# if @REPLACE_REALPATH@
732#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
733#   define realpath rpl_realpath
734#  endif
735_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
736                                    _GL_ARG_NONNULL ((1)));
737_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
738# else
739#  if !@HAVE_REALPATH@
740_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
741                                    _GL_ARG_NONNULL ((1)));
742#  endif
743_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
744# endif
745_GL_CXXALIASWARN (realpath);
746#elif defined GNULIB_POSIXCHECK
747# undef realpath
748# if HAVE_RAW_DECL_REALPATH
749_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
750                 "canonicalize or canonicalize-lgpl for portability");
751# endif
752#endif
753
754#if @GNULIB_RPMATCH@
755/* Test a user response to a question.
756   Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear.  */
757# if !@HAVE_RPMATCH@
758_GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
759# endif
760_GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
761_GL_CXXALIASWARN (rpmatch);
762#elif defined GNULIB_POSIXCHECK
763# undef rpmatch
764# if HAVE_RAW_DECL_RPMATCH
765_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
766                 "use gnulib module rpmatch for portability");
767# endif
768#endif
769
770#if @GNULIB_SECURE_GETENV@
771/* Look up NAME in the environment, returning 0 in insecure situations.  */
772# if !@HAVE_SECURE_GETENV@
773_GL_FUNCDECL_SYS (secure_getenv, char *,
774                  (char const *name) _GL_ARG_NONNULL ((1)));
775# endif
776_GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
777_GL_CXXALIASWARN (secure_getenv);
778#elif defined GNULIB_POSIXCHECK
779# undef secure_getenv
780# if HAVE_RAW_DECL_SECURE_GETENV
781_GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
782                 "use gnulib module secure_getenv for portability");
783# endif
784#endif
785
786#if @GNULIB_SETENV@
787/* Set NAME to VALUE in the environment.
788   If REPLACE is nonzero, overwrite an existing value.  */
789# if @REPLACE_SETENV@
790#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
791#   undef setenv
792#   define setenv rpl_setenv
793#  endif
794_GL_FUNCDECL_RPL (setenv, int,
795                  (const char *name, const char *value, int replace)
796                  _GL_ARG_NONNULL ((1)));
797_GL_CXXALIAS_RPL (setenv, int,
798                  (const char *name, const char *value, int replace));
799# else
800#  if !@HAVE_DECL_SETENV@
801_GL_FUNCDECL_SYS (setenv, int,
802                  (const char *name, const char *value, int replace)
803                  _GL_ARG_NONNULL ((1)));
804#  endif
805_GL_CXXALIAS_SYS (setenv, int,
806                  (const char *name, const char *value, int replace));
807# endif
808# if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
809_GL_CXXALIASWARN (setenv);
810# endif
811#elif defined GNULIB_POSIXCHECK
812# undef setenv
813# if HAVE_RAW_DECL_SETENV
814_GL_WARN_ON_USE (setenv, "setenv is unportable - "
815                 "use gnulib module setenv for portability");
816# endif
817#endif
818
819#if @GNULIB_STRTOD@
820 /* Parse a double from STRING, updating ENDP if appropriate.  */
821# if @REPLACE_STRTOD@
822#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
823#   define strtod rpl_strtod
824#  endif
825_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
826                                  _GL_ARG_NONNULL ((1)));
827_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
828# else
829#  if !@HAVE_STRTOD@
830_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
831                                  _GL_ARG_NONNULL ((1)));
832#  endif
833_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
834# endif
835_GL_CXXALIASWARN (strtod);
836#elif defined GNULIB_POSIXCHECK
837# undef strtod
838# if HAVE_RAW_DECL_STRTOD
839_GL_WARN_ON_USE (strtod, "strtod is unportable - "
840                 "use gnulib module strtod for portability");
841# endif
842#endif
843
844#if @GNULIB_STRTOLL@
845/* Parse a signed integer whose textual representation starts at STRING.
846   The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
847   it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
848   "0x").
849   If ENDPTR is not NULL, the address of the first byte after the integer is
850   stored in *ENDPTR.
851   Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
852   to ERANGE.  */
853# if !@HAVE_STRTOLL@
854_GL_FUNCDECL_SYS (strtoll, long long,
855                  (const char *string, char **endptr, int base)
856                  _GL_ARG_NONNULL ((1)));
857# endif
858_GL_CXXALIAS_SYS (strtoll, long long,
859                  (const char *string, char **endptr, int base));
860_GL_CXXALIASWARN (strtoll);
861#elif defined GNULIB_POSIXCHECK
862# undef strtoll
863# if HAVE_RAW_DECL_STRTOLL
864_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
865                 "use gnulib module strtoll for portability");
866# endif
867#endif
868
869#if @GNULIB_STRTOULL@
870/* Parse an unsigned integer whose textual representation starts at STRING.
871   The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
872   it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
873   "0x").
874   If ENDPTR is not NULL, the address of the first byte after the integer is
875   stored in *ENDPTR.
876   Upon overflow, the return value is ULLONG_MAX, and errno is set to
877   ERANGE.  */
878# if !@HAVE_STRTOULL@
879_GL_FUNCDECL_SYS (strtoull, unsigned long long,
880                  (const char *string, char **endptr, int base)
881                  _GL_ARG_NONNULL ((1)));
882# endif
883_GL_CXXALIAS_SYS (strtoull, unsigned long long,
884                  (const char *string, char **endptr, int base));
885_GL_CXXALIASWARN (strtoull);
886#elif defined GNULIB_POSIXCHECK
887# undef strtoull
888# if HAVE_RAW_DECL_STRTOULL
889_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
890                 "use gnulib module strtoull for portability");
891# endif
892#endif
893
894#if @GNULIB_UNLOCKPT@
895/* Unlock the slave side of the pseudo-terminal whose master side is specified
896   by FD, so that it can be opened.  */
897# if !@HAVE_UNLOCKPT@
898_GL_FUNCDECL_SYS (unlockpt, int, (int fd));
899# endif
900_GL_CXXALIAS_SYS (unlockpt, int, (int fd));
901_GL_CXXALIASWARN (unlockpt);
902#elif defined GNULIB_POSIXCHECK
903# undef unlockpt
904# if HAVE_RAW_DECL_UNLOCKPT
905_GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
906                 "use gnulib module unlockpt for portability");
907# endif
908#endif
909
910#if @GNULIB_UNSETENV@
911/* Remove the variable NAME from the environment.  */
912# if @REPLACE_UNSETENV@
913#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
914#   undef unsetenv
915#   define unsetenv rpl_unsetenv
916#  endif
917_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
918_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
919# else
920#  if !@HAVE_DECL_UNSETENV@
921_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
922#  endif
923_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
924# endif
925# if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
926_GL_CXXALIASWARN (unsetenv);
927# endif
928#elif defined GNULIB_POSIXCHECK
929# undef unsetenv
930# if HAVE_RAW_DECL_UNSETENV
931_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
932                 "use gnulib module unsetenv for portability");
933# endif
934#endif
935
936/* Convert a wide character to a multibyte character.  */
937#if @GNULIB_WCTOMB@
938# if @REPLACE_WCTOMB@
939#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
940#   undef wctomb
941#   define wctomb rpl_wctomb
942#  endif
943_GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
944_GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
945# else
946_GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
947# endif
948_GL_CXXALIASWARN (wctomb);
949#endif
950
951
952#endif /* _@GUARD_PREFIX@_STDLIB_H */
953#endif /* _@GUARD_PREFIX@_STDLIB_H */
954#endif
955