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Merge from trunk.
[bpt/emacs.git] / lib / stdlib.in.h
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1f5d53eb
PE		 1/* A GNU-like <stdlib.h>.
2
3 Copyright (C) 1995, 2001-2004, 2006-2011 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_malloc_and_calloc
24/* Special invocation convention inside glibc header files. */
25
26#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
27
28#else
29/* Normal invocation convention. */
30
6a3e57bb 31#ifndef _@GUARD_PREFIX@_STDLIB_H
1f5d53eb
PE		 32
33/* The include_next requires a split double-inclusion guard. */
34#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
35
6a3e57bb
PE		 36#ifndef _@GUARD_PREFIX@_STDLIB_H
37#define _@GUARD_PREFIX@_STDLIB_H
1f5d53eb
PE		 38
39/* NetBSD 5.0 mis-defines NULL. */
40#include <stddef.h>
41
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>
45#endif
46
47/* Solaris declares getloadavg() in <sys/loadavg.h>. */
48#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
49# include <sys/loadavg.h>
50#endif
51
52#if @GNULIB_RANDOM_R@
53
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'. */
57# if @HAVE_RANDOM_H@
58# include <random.h>
59# endif
60
61# if !@HAVE_STRUCT_RANDOM_DATA@ || !@HAVE_RANDOM_R@
62# include <stdint.h>
63# endif
64
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
69struct random_data
70{
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. */
78};
79# define GNULIB_defined_struct_random_data 1
80# endif
81# endif
82#endif
83
19548d08 84#if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
1f5d53eb 85/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
19548d08 86/* On MacOS X 10.5, only <unistd.h> declares mkstemps. */
1f5d53eb
PE		 87/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
88/* But avoid namespace pollution on glibc systems and native Windows. */
89# include <unistd.h>
90#endif
91
24e0f6b1 92/* The definition of _Noreturn is copied here. */
1f5d53eb
PE		 93
94/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
95
96/* The definition of _GL_ARG_NONNULL is copied here. */
97
98/* The definition of _GL_WARN_ON_USE is copied here. */
99
100
101/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
102#ifndef EXIT_SUCCESS
103# define EXIT_SUCCESS 0
104#endif
105/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
106 with proper operation of xargs. */
107#ifndef EXIT_FAILURE
108# define EXIT_FAILURE 1
109#elif EXIT_FAILURE != 1
110# undef EXIT_FAILURE
111# define EXIT_FAILURE 1
112#endif
113
114
115#if @GNULIB__EXIT@
116/* Terminate the current process with the given return code, without running
117 the 'atexit' handlers. */
118# if !@HAVE__EXIT@
24e0f6b1 119_GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
1f5d53eb
PE		 120# endif
121_GL_CXXALIAS_SYS (_Exit, void, (int status));
122_GL_CXXALIASWARN (_Exit);
123#elif defined GNULIB_POSIXCHECK
124# undef _Exit
125# if HAVE_RAW_DECL__EXIT
126_GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
127 "use gnulib module _Exit for portability");
128# endif
129#endif
130
131
132#if @GNULIB_ATOLL@
133/* Parse a signed decimal integer.
134 Returns the value of the integer. Errors are not detected. */
135# if !@HAVE_ATOLL@
136_GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
137# endif
138_GL_CXXALIAS_SYS (atoll, long long, (const char *string));
139_GL_CXXALIASWARN (atoll);
140#elif defined GNULIB_POSIXCHECK
141# undef atoll
142# if HAVE_RAW_DECL_ATOLL
143_GL_WARN_ON_USE (atoll, "atoll is unportable - "
144 "use gnulib module atoll for portability");
145# endif
146#endif
147
148#if @GNULIB_CALLOC_POSIX@
149# if @REPLACE_CALLOC@
150# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
151# undef calloc
152# define calloc rpl_calloc
153# endif
154_GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
155_GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
156# else
157_GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
158# endif
159_GL_CXXALIASWARN (calloc);
160#elif defined GNULIB_POSIXCHECK
161# undef calloc
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");
165#endif
166
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
171# endif
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));
175# else
176# if !@HAVE_CANONICALIZE_FILE_NAME@
177_GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
178 _GL_ARG_NONNULL ((1)));
179# endif
180_GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
181# endif
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");
189# endif
190#endif
191
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)));
200# endif
201_GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
202_GL_CXXALIASWARN (getloadavg);
203#elif defined GNULIB_POSIXCHECK
204# undef getloadavg
205# if HAVE_RAW_DECL_GETLOADAVG
206_GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
207 "use gnulib module getloadavg for portability");
208# endif
209#endif
210
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)));
227# endif
228_GL_CXXALIAS_SYS (getsubopt, int,
229 (char **optionp, char *const *tokens, char **valuep));
230_GL_CXXALIASWARN (getsubopt);
231#elif defined GNULIB_POSIXCHECK
232# undef getsubopt
233# if HAVE_RAW_DECL_GETSUBOPT
234_GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
235 "use gnulib module getsubopt for portability");
236# endif
237#endif
238
239#if @GNULIB_GRANTPT@
240/* Change the ownership and access permission of the slave side of the
241 pseudo-terminal whose master side is specified by FD. */
242# if !@HAVE_GRANTPT@
243_GL_FUNCDECL_SYS (grantpt, int, (int fd));
244# endif
245_GL_CXXALIAS_SYS (grantpt, int, (int fd));
246_GL_CXXALIASWARN (grantpt);
247#elif defined GNULIB_POSIXCHECK
248# undef grantpt
249# if HAVE_RAW_DECL_GRANTPT
250_GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
251 "use gnulib module grantpt for portability");
252# endif
253#endif
254
7ec98caf
PE		 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. */
1f5d53eb
PE		 259#if @GNULIB_MALLOC_POSIX@
260# if @REPLACE_MALLOC@
7ec98caf
PE		 261# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
262 || _GL_USE_STDLIB_ALLOC)
1f5d53eb
PE		 263# undef malloc
264# define malloc rpl_malloc
265# endif
266_GL_FUNCDECL_RPL (malloc, void *, (size_t size));
267_GL_CXXALIAS_RPL (malloc, void *, (size_t size));
268# else
269_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
270# endif
271_GL_CXXALIASWARN (malloc);
7ec98caf 272#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
1f5d53eb
PE		 273# undef malloc
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");
277#endif
278
9411886d
PE		 279/* Convert a multibyte character to a wide character. */
280#if @GNULIB_MBTOWC@
281# if @REPLACE_MBTOWC@
282# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
283# undef mbtowc
284# define mbtowc rpl_mbtowc
285# endif
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));
288# else
289_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
290# endif
291_GL_CXXALIASWARN (mbtowc);
292#endif
293
1f5d53eb
PE		 294#if @GNULIB_MKDTEMP@
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. */
300# if !@HAVE_MKDTEMP@
301_GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
302# endif
303_GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
304_GL_CXXALIASWARN (mkdtemp);
305#elif defined GNULIB_POSIXCHECK
306# undef mkdtemp
307# if HAVE_RAW_DECL_MKDTEMP
308_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
309 "use gnulib module mkdtemp for portability");
310# endif
311#endif
312
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
320 before.
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
323 implementation.
324 Returns the open file descriptor if successful, otherwise -1 and errno
325 set. */
326# if !@HAVE_MKOSTEMP@
327_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
328 _GL_ARG_NONNULL ((1)));
329# endif
330_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
331_GL_CXXALIASWARN (mkostemp);
332#elif defined GNULIB_POSIXCHECK
333# undef mkostemp
334# if HAVE_RAW_DECL_MKOSTEMP
335_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
336 "use gnulib module mkostemp for portability");
337# endif
338#endif
339
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
348 before.
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
351 implementation.
352 Returns the open file descriptor if successful, otherwise -1 and errno
353 set. */
354# if !@HAVE_MKOSTEMPS@
355_GL_FUNCDECL_SYS (mkostemps, int,
356 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
357 _GL_ARG_NONNULL ((1)));
358# endif
359_GL_CXXALIAS_SYS (mkostemps, int,
360 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
361_GL_CXXALIASWARN (mkostemps);
362#elif defined GNULIB_POSIXCHECK
363# undef mkostemps
364# if HAVE_RAW_DECL_MKOSTEMPS
365_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
366 "use gnulib module mkostemps for portability");
367# endif
368#endif
369
370#if @GNULIB_MKSTEMP@
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
377 implementation.
378 Returns the open file descriptor if successful, otherwise -1 and errno
379 set. */
380# if @REPLACE_MKSTEMP@
381# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
382# define mkstemp rpl_mkstemp
383# endif
384_GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
385_GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
386# else
387# if ! @HAVE_MKSTEMP@
388_GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
389# endif
390_GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
391# endif
392_GL_CXXALIASWARN (mkstemp);
393#elif defined GNULIB_POSIXCHECK
394# undef mkstemp
395# if HAVE_RAW_DECL_MKSTEMP
396_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
397 "use gnulib module mkstemp for portability");
398# endif
399#endif
400
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
409 implementation.
410 Returns the open file descriptor if successful, otherwise -1 and errno
411 set. */
412# if !@HAVE_MKSTEMPS@
413_GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
414 _GL_ARG_NONNULL ((1)));
415# endif
416_GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
417_GL_CXXALIASWARN (mkstemps);
418#elif defined GNULIB_POSIXCHECK
419# undef mkstemps
420# if HAVE_RAW_DECL_MKSTEMPS
421_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
422 "use gnulib module mkstemps for portability");
423# endif
424#endif
425
426#if @GNULIB_PTSNAME@
427/* Return the pathname of the pseudo-terminal slave associated with
428 the master FD is open on, or NULL on errors. */
429# if !@HAVE_PTSNAME@
430_GL_FUNCDECL_SYS (ptsname, char *, (int fd));
431# endif
432_GL_CXXALIAS_SYS (ptsname, char *, (int fd));
433_GL_CXXALIASWARN (ptsname);
434#elif defined GNULIB_POSIXCHECK
435# undef ptsname
436# if HAVE_RAW_DECL_PTSNAME
437_GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
438 "use gnulib module ptsname for portability");
439# endif
440#endif
441
442#if @GNULIB_PUTENV@
443# if @REPLACE_PUTENV@
444# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
445# undef putenv
446# define putenv rpl_putenv
447# endif
448_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
449_GL_CXXALIAS_RPL (putenv, int, (char *string));
450# else
451_GL_CXXALIAS_SYS (putenv, int, (char *string));
452# endif
453_GL_CXXALIASWARN (putenv);
454#endif
455
456
457#if @GNULIB_RANDOM_R@
458# if !@HAVE_RANDOM_R@
459# ifndef RAND_MAX
460# define RAND_MAX 2147483647
461# endif
462# endif
463#endif
464
465#if @GNULIB_RANDOM_R@
466# if !@HAVE_RANDOM_R@
467_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
468 _GL_ARG_NONNULL ((1, 2)));
469# endif
470_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
471_GL_CXXALIASWARN (random_r);
472#elif defined GNULIB_POSIXCHECK
473# undef random_r
474# if HAVE_RAW_DECL_RANDOM_R
475_GL_WARN_ON_USE (random_r, "random_r is unportable - "
476 "use gnulib module random_r for portability");
477# endif
478#endif
479
480#if @GNULIB_RANDOM_R@
481# if !@HAVE_RANDOM_R@
482_GL_FUNCDECL_SYS (srandom_r, int,
483 (unsigned int seed, struct random_data *rand_state)
484 _GL_ARG_NONNULL ((2)));
485# endif
486_GL_CXXALIAS_SYS (srandom_r, int,
487 (unsigned int seed, struct random_data *rand_state));
488_GL_CXXALIASWARN (srandom_r);
489#elif defined GNULIB_POSIXCHECK
490# undef srandom_r
491# if HAVE_RAW_DECL_SRANDOM_R
492_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
493 "use gnulib module random_r for portability");
494# endif
495#endif
496
497#if @GNULIB_RANDOM_R@
498# if !@HAVE_RANDOM_R@
499_GL_FUNCDECL_SYS (initstate_r, int,
500 (unsigned int seed, char *buf, size_t buf_size,
501 struct random_data *rand_state)
502 _GL_ARG_NONNULL ((2, 4)));
503# endif
504_GL_CXXALIAS_SYS (initstate_r, int,
505 (unsigned int seed, char *buf, size_t buf_size,
506 struct random_data *rand_state));
507_GL_CXXALIASWARN (initstate_r);
508#elif defined GNULIB_POSIXCHECK
509# undef initstate_r
510# if HAVE_RAW_DECL_INITSTATE_R
511_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
512 "use gnulib module random_r for portability");
513# endif
514#endif
515
516#if @GNULIB_RANDOM_R@
517# if !@HAVE_RANDOM_R@
518_GL_FUNCDECL_SYS (setstate_r, int,
519 (char *arg_state, struct random_data *rand_state)
520 _GL_ARG_NONNULL ((1, 2)));
521# endif
522_GL_CXXALIAS_SYS (setstate_r, int,
523 (char *arg_state, struct random_data *rand_state));
524_GL_CXXALIASWARN (setstate_r);
525#elif defined GNULIB_POSIXCHECK
526# undef setstate_r
527# if HAVE_RAW_DECL_SETSTATE_R
528_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
529 "use gnulib module random_r for portability");
530# endif
531#endif
532
533
534#if @GNULIB_REALLOC_POSIX@
535# if @REPLACE_REALLOC@
7ec98caf
PE		 536# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
537 || _GL_USE_STDLIB_ALLOC)
1f5d53eb
PE		 538# undef realloc
539# define realloc rpl_realloc
540# endif
541_GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
542_GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
543# else
544_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
545# endif
546_GL_CXXALIASWARN (realloc);
7ec98caf 547#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
1f5d53eb
PE		 548# undef realloc
549/* Assume realloc is always declared. */
550_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
551 "use gnulib module realloc-posix for portability");
552#endif
553
554#if @GNULIB_REALPATH@
555# if @REPLACE_REALPATH@
556# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
557# define realpath rpl_realpath
558# endif
559_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
560 _GL_ARG_NONNULL ((1)));
561_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
562# else
563# if !@HAVE_REALPATH@
564_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
565 _GL_ARG_NONNULL ((1)));
566# endif
567_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
568# endif
569_GL_CXXALIASWARN (realpath);
570#elif defined GNULIB_POSIXCHECK
571# undef realpath
572# if HAVE_RAW_DECL_REALPATH
573_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
574 "canonicalize or canonicalize-lgpl for portability");
575# endif
576#endif
577
578#if @GNULIB_RPMATCH@
579/* Test a user response to a question.
580 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
581# if !@HAVE_RPMATCH@
582_GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
583# endif
584_GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
585_GL_CXXALIASWARN (rpmatch);
586#elif defined GNULIB_POSIXCHECK
587# undef rpmatch
588# if HAVE_RAW_DECL_RPMATCH
589_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
590 "use gnulib module rpmatch for portability");
591# endif
592#endif
593
594#if @GNULIB_SETENV@
595/* Set NAME to VALUE in the environment.
596 If REPLACE is nonzero, overwrite an existing value. */
597# if @REPLACE_SETENV@
598# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
599# undef setenv
600# define setenv rpl_setenv
601# endif
602_GL_FUNCDECL_RPL (setenv, int,
603 (const char *name, const char *value, int replace)
604 _GL_ARG_NONNULL ((1)));
605_GL_CXXALIAS_RPL (setenv, int,
606 (const char *name, const char *value, int replace));
607# else
608# if !@HAVE_DECL_SETENV@
609_GL_FUNCDECL_SYS (setenv, int,
610 (const char *name, const char *value, int replace)
611 _GL_ARG_NONNULL ((1)));
612# endif
613_GL_CXXALIAS_SYS (setenv, int,
614 (const char *name, const char *value, int replace));
615# endif
616# if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
617_GL_CXXALIASWARN (setenv);
618# endif
619#elif defined GNULIB_POSIXCHECK
620# undef setenv
621# if HAVE_RAW_DECL_SETENV
622_GL_WARN_ON_USE (setenv, "setenv is unportable - "
623 "use gnulib module setenv for portability");
624# endif
625#endif
626
627#if @GNULIB_STRTOD@
628 /* Parse a double from STRING, updating ENDP if appropriate. */
629# if @REPLACE_STRTOD@
630# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
631# define strtod rpl_strtod
632# endif
633_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
634 _GL_ARG_NONNULL ((1)));
635_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
636# else
637# if !@HAVE_STRTOD@
638_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
639 _GL_ARG_NONNULL ((1)));
640# endif
641_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
642# endif
643_GL_CXXALIASWARN (strtod);
644#elif defined GNULIB_POSIXCHECK
645# undef strtod
646# if HAVE_RAW_DECL_STRTOD
647_GL_WARN_ON_USE (strtod, "strtod is unportable - "
648 "use gnulib module strtod for portability");
649# endif
650#endif
651
652#if @GNULIB_STRTOLL@
653/* Parse a signed integer whose textual representation starts at STRING.
654 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
655 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
656 "0x").
657 If ENDPTR is not NULL, the address of the first byte after the integer is
658 stored in *ENDPTR.
659 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
660 to ERANGE. */
661# if !@HAVE_STRTOLL@
662_GL_FUNCDECL_SYS (strtoll, long long,
663 (const char *string, char **endptr, int base)
664 _GL_ARG_NONNULL ((1)));
665# endif
666_GL_CXXALIAS_SYS (strtoll, long long,
667 (const char *string, char **endptr, int base));
668_GL_CXXALIASWARN (strtoll);
669#elif defined GNULIB_POSIXCHECK
670# undef strtoll
671# if HAVE_RAW_DECL_STRTOLL
672_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
673 "use gnulib module strtoll for portability");
674# endif
675#endif
676
677#if @GNULIB_STRTOULL@
678/* Parse an unsigned integer whose textual representation starts at STRING.
679 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
680 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
681 "0x").
682 If ENDPTR is not NULL, the address of the first byte after the integer is
683 stored in *ENDPTR.
684 Upon overflow, the return value is ULLONG_MAX, and errno is set to
685 ERANGE. */
686# if !@HAVE_STRTOULL@
687_GL_FUNCDECL_SYS (strtoull, unsigned long long,
688 (const char *string, char **endptr, int base)
689 _GL_ARG_NONNULL ((1)));
690# endif
691_GL_CXXALIAS_SYS (strtoull, unsigned long long,
692 (const char *string, char **endptr, int base));
693_GL_CXXALIASWARN (strtoull);
694#elif defined GNULIB_POSIXCHECK
695# undef strtoull
696# if HAVE_RAW_DECL_STRTOULL
697_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
698 "use gnulib module strtoull for portability");
699# endif
700#endif
701
702#if @GNULIB_UNLOCKPT@
703/* Unlock the slave side of the pseudo-terminal whose master side is specified
704 by FD, so that it can be opened. */
705# if !@HAVE_UNLOCKPT@
706_GL_FUNCDECL_SYS (unlockpt, int, (int fd));
707# endif
708_GL_CXXALIAS_SYS (unlockpt, int, (int fd));
709_GL_CXXALIASWARN (unlockpt);
710#elif defined GNULIB_POSIXCHECK
711# undef unlockpt
712# if HAVE_RAW_DECL_UNLOCKPT
713_GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
714 "use gnulib module unlockpt for portability");
715# endif
716#endif
717
718#if @GNULIB_UNSETENV@
719/* Remove the variable NAME from the environment. */
720# if @REPLACE_UNSETENV@
721# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
722# undef unsetenv
723# define unsetenv rpl_unsetenv
724# endif
725_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
726_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
727# else
728# if !@HAVE_DECL_UNSETENV@
729_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
730# endif
731_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
732# endif
733# if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
734_GL_CXXALIASWARN (unsetenv);
735# endif
736#elif defined GNULIB_POSIXCHECK
737# undef unsetenv
738# if HAVE_RAW_DECL_UNSETENV
739_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
740 "use gnulib module unsetenv for portability");
741# endif
742#endif
743
9411886d
PE		 744/* Convert a wide character to a multibyte character. */
745#if @GNULIB_WCTOMB@
746# if @REPLACE_WCTOMB@
747# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
748# undef wctomb
749# define wctomb rpl_wctomb
750# endif
751_GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
752_GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
753# else
754_GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
755# endif
756_GL_CXXALIASWARN (wctomb);
757#endif
758
1f5d53eb 759
6a3e57bb
PE		 760#endif /* _@GUARD_PREFIX@_STDLIB_H */
761#endif /* _@GUARD_PREFIX@_STDLIB_H */
1f5d53eb 762#endif
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