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Update Gnulib to v0.0-3955-g8ab5996.
[bpt/guile.git] / lib / stdlib.in.h
CommitLineData
f240aacb
LC		 1/* A GNU-like <stdlib.h>.
2
61cd9dc9 3 Copyright (C) 1995, 2001-2004, 2006-2010 Free Software Foundation, Inc.
f240aacb
LC		 4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser 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
22#if defined __need_malloc_and_calloc
23/* Special invocation convention inside glibc header files. */
24
25#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
26
27#else
28/* Normal invocation convention. */
29
30#ifndef _GL_STDLIB_H
31
32/* The include_next requires a split double-inclusion guard. */
33#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
34
35#ifndef _GL_STDLIB_H
36#define _GL_STDLIB_H
37
8912421c
LC		 38/* NetBSD 5.0 mis-defines NULL. */
39#include <stddef.h>
f240aacb
LC		 40
41/* Solaris declares getloadavg() in <sys/loadavg.h>. */
61cd9dc9 42#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
f240aacb
LC		 43# include <sys/loadavg.h>
44#endif
45
46/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
47 from <stdlib.h> if _REENTRANT is defined. Include it always. */
48#if @HAVE_RANDOM_H@
49# include <random.h>
50#endif
51
61cd9dc9
LC		 52#if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
53 || defined GNULIB_POSIXCHECK
f240aacb
LC		 54# include <stdint.h>
55#endif
56
57#if !@HAVE_STRUCT_RANDOM_DATA@
58struct random_data
59{
1cd4fffc
LC		 60 int32_t *fptr; /* Front pointer. */
61 int32_t *rptr; /* Rear pointer. */
62 int32_t *state; /* Array of state values. */
63 int rand_type; /* Type of random number generator. */
64 int rand_deg; /* Degree of random number generator. */
65 int rand_sep; /* Distance between front and rear. */
66 int32_t *end_ptr; /* Pointer behind state table. */
f240aacb
LC		 67};
68#endif
69
a927b6c1 70#if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
61cd9dc9
LC		 71/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
72/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
a927b6c1 73/* But avoid namespace pollution on glibc systems and native Windows. */
61cd9dc9
LC		 74# include <unistd.h>
75#endif
f240aacb 76
f4c79b3c
LC		 77/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
78
1cd4fffc
LC		 79/* The definition of _GL_ARG_NONNULL is copied here. */
80
61cd9dc9
LC		 81/* The definition of _GL_WARN_ON_USE is copied here. */
82
f240aacb
LC		 83
84/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
85#ifndef EXIT_SUCCESS
86# define EXIT_SUCCESS 0
87#endif
88/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
89 with proper operation of xargs. */
90#ifndef EXIT_FAILURE
91# define EXIT_FAILURE 1
92#elif EXIT_FAILURE != 1
93# undef EXIT_FAILURE
94# define EXIT_FAILURE 1
95#endif
96
97
8912421c 98#if @GNULIB_ATOLL@
8912421c
LC		 99/* Parse a signed decimal integer.
100 Returns the value of the integer. Errors are not detected. */
f4c79b3c
LC		 101# if !@HAVE_ATOLL@
102_GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
f240aacb 103# endif
f4c79b3c
LC		 104_GL_CXXALIAS_SYS (atoll, long long, (const char *string));
105_GL_CXXALIASWARN (atoll);
f240aacb 106#elif defined GNULIB_POSIXCHECK
8912421c 107# undef atoll
61cd9dc9
LC		 108# if HAVE_RAW_DECL_ATOLL
109_GL_WARN_ON_USE (atoll, "atoll is unportable - "
110 "use gnulib module atoll for portability");
111# endif
f240aacb
LC		 112#endif
113
f240aacb
LC		 114#if @GNULIB_CALLOC_POSIX@
115# if !@HAVE_CALLOC_POSIX@
f4c79b3c
LC		 116# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
117# undef calloc
118# define calloc rpl_calloc
119# endif
120_GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
121_GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
122# else
123_GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
f240aacb 124# endif
f4c79b3c 125_GL_CXXALIASWARN (calloc);
f240aacb
LC		 126#elif defined GNULIB_POSIXCHECK
127# undef calloc
61cd9dc9
LC		 128/* Assume calloc is always declared. */
129_GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
130 "use gnulib module calloc-posix for portability");
f240aacb
LC		 131#endif
132
8912421c
LC		 133#if @GNULIB_CANONICALIZE_FILE_NAME@
134# if @REPLACE_CANONICALIZE_FILE_NAME@
f4c79b3c
LC		 135# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
136# define canonicalize_file_name rpl_canonicalize_file_name
137# endif
138_GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
139 _GL_ARG_NONNULL ((1)));
140_GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
141# else
142# if !@HAVE_CANONICALIZE_FILE_NAME@
143_GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
144 _GL_ARG_NONNULL ((1)));
145# endif
146_GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
f240aacb 147# endif
f4c79b3c 148_GL_CXXALIASWARN (canonicalize_file_name);
f240aacb 149#elif defined GNULIB_POSIXCHECK
8912421c 150# undef canonicalize_file_name
61cd9dc9
LC		 151# if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
152_GL_WARN_ON_USE (canonicalize_file_name, "canonicalize_file_name is unportable - "
153 "use gnulib module canonicalize-lgpl for portability");
154# endif
f240aacb
LC		 155#endif
156
f240aacb 157#if @GNULIB_GETLOADAVG@
f240aacb
LC		 158/* Store max(NELEM,3) load average numbers in LOADAVG[].
159 The three numbers are the load average of the last 1 minute, the last 5
160 minutes, and the last 15 minutes, respectively.
161 LOADAVG is an array of NELEM numbers. */
f4c79b3c
LC		 162# if !@HAVE_DECL_GETLOADAVG@
163_GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
164 _GL_ARG_NONNULL ((1)));
f240aacb 165# endif
f4c79b3c
LC		 166_GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
167_GL_CXXALIASWARN (getloadavg);
f240aacb
LC		 168#elif defined GNULIB_POSIXCHECK
169# undef getloadavg
61cd9dc9
LC		 170# if HAVE_RAW_DECL_GETLOADAVG
171_GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
172 "use gnulib module getloadavg for portability");
173# endif
f240aacb
LC		 174#endif
175
f240aacb
LC		 176#if @GNULIB_GETSUBOPT@
177/* Assuming *OPTIONP is a comma separated list of elements of the form
178 "token" or "token=value", getsubopt parses the first of these elements.
179 If the first element refers to a "token" that is member of the given
180 NULL-terminated array of tokens:
181 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
182 the first option and the comma, sets *VALUEP to the value of the
183 element (or NULL if it doesn't contain an "=" sign),
184 - It returns the index of the "token" in the given array of tokens.
185 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
186 For more details see the POSIX:2001 specification.
187 http://www.opengroup.org/susv3xsh/getsubopt.html */
188# if !@HAVE_GETSUBOPT@
f4c79b3c
LC		 189_GL_FUNCDECL_SYS (getsubopt, int,
190 (char **optionp, char *const *tokens, char **valuep)
191 _GL_ARG_NONNULL ((1, 2, 3)));
f240aacb 192# endif
f4c79b3c
LC		 193_GL_CXXALIAS_SYS (getsubopt, int,
194 (char **optionp, char *const *tokens, char **valuep));
195_GL_CXXALIASWARN (getsubopt);
f240aacb
LC		 196#elif defined GNULIB_POSIXCHECK
197# undef getsubopt
61cd9dc9
LC		 198# if HAVE_RAW_DECL_GETSUBOPT
199_GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
200 "use gnulib module getsubopt for portability");
201# endif
f240aacb
LC		 202#endif
203
a927b6c1
LC		 204#if @GNULIB_GRANTPT@
205/* Change the ownership and access permission of the slave side of the
206 pseudo-terminal whose master side is specified by FD. */
207# if !@HAVE_GRANTPT@
208_GL_FUNCDECL_SYS (grantpt, int, (int fd));
209# endif
210_GL_CXXALIAS_SYS (grantpt, int, (int fd));
211_GL_CXXALIASWARN (grantpt);
212#elif defined GNULIB_POSIXCHECK
213# undef grantpt
214# if HAVE_RAW_DECL_GRANTPT
215_GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
216 "use gnulib module grantpt for portability");
217# endif
218#endif
219
8912421c
LC		 220#if @GNULIB_MALLOC_POSIX@
221# if !@HAVE_MALLOC_POSIX@
f4c79b3c
LC		 222# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
223# undef malloc
224# define malloc rpl_malloc
225# endif
226_GL_FUNCDECL_RPL (malloc, void *, (size_t size));
227_GL_CXXALIAS_RPL (malloc, void *, (size_t size));
228# else
229_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
8912421c 230# endif
f4c79b3c 231_GL_CXXALIASWARN (malloc);
8912421c
LC		 232#elif defined GNULIB_POSIXCHECK
233# undef malloc
61cd9dc9
LC		 234/* Assume malloc is always declared. */
235_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
236 "use gnulib module malloc-posix for portability");
8912421c 237#endif
f240aacb
LC		 238
239#if @GNULIB_MKDTEMP@
f240aacb
LC		 240/* Create a unique temporary directory from TEMPLATE.
241 The last six characters of TEMPLATE must be "XXXXXX";
242 they are replaced with a string that makes the directory name unique.
243 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
244 The directory is created mode 700. */
f4c79b3c
LC		 245# if !@HAVE_MKDTEMP@
246_GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
f240aacb 247# endif
f4c79b3c
LC		 248_GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
249_GL_CXXALIASWARN (mkdtemp);
f240aacb
LC		 250#elif defined GNULIB_POSIXCHECK
251# undef mkdtemp
61cd9dc9
LC		 252# if HAVE_RAW_DECL_MKDTEMP
253_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
254 "use gnulib module mkdtemp for portability");
255# endif
f240aacb
LC		 256#endif
257
8912421c 258#if @GNULIB_MKOSTEMP@
8912421c
LC		 259/* Create a unique temporary file from TEMPLATE.
260 The last six characters of TEMPLATE must be "XXXXXX";
261 they are replaced with a string that makes the file name unique.
262 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
263 and O_TEXT, O_BINARY (defined in "binary-io.h").
264 The file is then created, with the specified flags, ensuring it didn't exist
265 before.
266 The file is created read-write (mask at least 0600 & ~umask), but it may be
267 world-readable and world-writable (mask 0666 & ~umask), depending on the
268 implementation.
269 Returns the open file descriptor if successful, otherwise -1 and errno
270 set. */
f4c79b3c
LC		 271# if !@HAVE_MKOSTEMP@
272_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
273 _GL_ARG_NONNULL ((1)));
8912421c 274# endif
f4c79b3c
LC		 275_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
276_GL_CXXALIASWARN (mkostemp);
8912421c
LC		 277#elif defined GNULIB_POSIXCHECK
278# undef mkostemp
61cd9dc9
LC		 279# if HAVE_RAW_DECL_MKOSTEMP
280_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
281 "use gnulib module mkostemp for portability");
282# endif
8912421c 283#endif
f240aacb 284
f29ded4b 285#if @GNULIB_MKOSTEMPS@
f29ded4b
LC		 286/* Create a unique temporary file from TEMPLATE.
287 The last six characters of TEMPLATE before a suffix of length
288 SUFFIXLEN must be "XXXXXX";
289 they are replaced with a string that makes the file name unique.
290 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
291 and O_TEXT, O_BINARY (defined in "binary-io.h").
292 The file is then created, with the specified flags, ensuring it didn't exist
293 before.
294 The file is created read-write (mask at least 0600 & ~umask), but it may be
295 world-readable and world-writable (mask 0666 & ~umask), depending on the
296 implementation.
297 Returns the open file descriptor if successful, otherwise -1 and errno
298 set. */
f4c79b3c
LC		 299# if !@HAVE_MKOSTEMPS@
300_GL_FUNCDECL_SYS (mkostemps, int,
301 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
302 _GL_ARG_NONNULL ((1)));
f29ded4b 303# endif
f4c79b3c
LC		 304_GL_CXXALIAS_SYS (mkostemps, int,
305 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
306_GL_CXXALIASWARN (mkostemps);
f29ded4b
LC		 307#elif defined GNULIB_POSIXCHECK
308# undef mkostemps
61cd9dc9
LC		 309# if HAVE_RAW_DECL_MKOSTEMPS
310_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
311 "use gnulib module mkostemps for portability");
312# endif
f29ded4b
LC		 313#endif
314
f240aacb 315#if @GNULIB_MKSTEMP@
f240aacb
LC		 316/* Create a unique temporary file from TEMPLATE.
317 The last six characters of TEMPLATE must be "XXXXXX";
318 they are replaced with a string that makes the file name unique.
319 The file is then created, ensuring it didn't exist before.
320 The file is created read-write (mask at least 0600 & ~umask), but it may be
321 world-readable and world-writable (mask 0666 & ~umask), depending on the
322 implementation.
323 Returns the open file descriptor if successful, otherwise -1 and errno
324 set. */
f4c79b3c
LC		 325# if @REPLACE_MKSTEMP@
326# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
327# define mkstemp rpl_mkstemp
328# endif
329_GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
330_GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
331# else
a927b6c1
LC		 332# if ! @HAVE_MKSTEMP@
333_GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
334# endif
f4c79b3c 335_GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
f240aacb 336# endif
f4c79b3c 337_GL_CXXALIASWARN (mkstemp);
f240aacb
LC		 338#elif defined GNULIB_POSIXCHECK
339# undef mkstemp
61cd9dc9
LC		 340# if HAVE_RAW_DECL_MKSTEMP
341_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
342 "use gnulib module mkstemp for portability");
343# endif
f240aacb
LC		 344#endif
345
f29ded4b 346#if @GNULIB_MKSTEMPS@
f29ded4b
LC		 347/* Create a unique temporary file from TEMPLATE.
348 The last six characters of TEMPLATE prior to a suffix of length
349 SUFFIXLEN must be "XXXXXX";
350 they are replaced with a string that makes the file name unique.
351 The file is then created, ensuring it didn't exist before.
352 The file is created read-write (mask at least 0600 & ~umask), but it may be
353 world-readable and world-writable (mask 0666 & ~umask), depending on the
354 implementation.
355 Returns the open file descriptor if successful, otherwise -1 and errno
356 set. */
f4c79b3c
LC		 357# if !@HAVE_MKSTEMPS@
358_GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
359 _GL_ARG_NONNULL ((1)));
f29ded4b 360# endif
f4c79b3c
LC		 361_GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
362_GL_CXXALIASWARN (mkstemps);
f29ded4b
LC		 363#elif defined GNULIB_POSIXCHECK
364# undef mkstemps
61cd9dc9
LC		 365# if HAVE_RAW_DECL_MKSTEMPS
366_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
367 "use gnulib module mkstemps for portability");
368# endif
f29ded4b
LC		 369#endif
370
a927b6c1
LC		 371#if @GNULIB_PTSNAME@
372/* Return the pathname of the pseudo-terminal slave associated with
373 the master FD is open on, or NULL on errors. */
374# if !@HAVE_PTSNAME@
375_GL_FUNCDECL_SYS (ptsname, char *, (int fd));
376# endif
377_GL_CXXALIAS_SYS (ptsname, char *, (int fd));
378_GL_CXXALIASWARN (ptsname);
379#elif defined GNULIB_POSIXCHECK
380# undef ptsname
381# if HAVE_RAW_DECL_PTSNAME
382_GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
383 "use gnulib module ptsname for portability");
384# endif
385#endif
386
f240aacb
LC		 387#if @GNULIB_PUTENV@
388# if @REPLACE_PUTENV@
f4c79b3c
LC		 389# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
390# undef putenv
391# define putenv rpl_putenv
392# endif
393_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
394_GL_CXXALIAS_RPL (putenv, int, (char *string));
395# else
396_GL_CXXALIAS_SYS (putenv, int, (char *string));
f240aacb 397# endif
f4c79b3c 398_GL_CXXALIASWARN (putenv);
f240aacb
LC		 399#endif
400
f4c79b3c 401
f240aacb
LC		 402#if @GNULIB_RANDOM_R@
403# if !@HAVE_RANDOM_R@
f240aacb
LC		 404# ifndef RAND_MAX
405# define RAND_MAX 2147483647
406# endif
f4c79b3c
LC		 407# endif
408#endif
f240aacb 409
f4c79b3c
LC		 410#if @GNULIB_RANDOM_R@
411# if !@HAVE_RANDOM_R@
412_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
413 _GL_ARG_NONNULL ((1, 2)));
f240aacb 414# endif
f4c79b3c
LC		 415_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
416_GL_CXXALIASWARN (random_r);
f240aacb
LC		 417#elif defined GNULIB_POSIXCHECK
418# undef random_r
61cd9dc9
LC		 419# if HAVE_RAW_DECL_RANDOM_R
420_GL_WARN_ON_USE (random_r, "random_r is unportable - "
421 "use gnulib module random_r for portability");
422# endif
f4c79b3c
LC		 423#endif
424
425#if @GNULIB_RANDOM_R@
426# if !@HAVE_RANDOM_R@
427_GL_FUNCDECL_SYS (srandom_r, int,
428 (unsigned int seed, struct random_data *rand_state)
429 _GL_ARG_NONNULL ((2)));
61cd9dc9 430# endif
f4c79b3c
LC		 431_GL_CXXALIAS_SYS (srandom_r, int,
432 (unsigned int seed, struct random_data *rand_state));
433_GL_CXXALIASWARN (srandom_r);
434#elif defined GNULIB_POSIXCHECK
f240aacb 435# undef srandom_r
61cd9dc9
LC		 436# if HAVE_RAW_DECL_SRANDOM_R
437_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
438 "use gnulib module random_r for portability");
439# endif
f4c79b3c
LC		 440#endif
441
442#if @GNULIB_RANDOM_R@
443# if !@HAVE_RANDOM_R@
444_GL_FUNCDECL_SYS (initstate_r, int,
445 (unsigned int seed, char *buf, size_t buf_size,
446 struct random_data *rand_state)
447 _GL_ARG_NONNULL ((2, 4)));
448# endif
449_GL_CXXALIAS_SYS (initstate_r, int,
450 (unsigned int seed, char *buf, size_t buf_size,
451 struct random_data *rand_state));
452_GL_CXXALIASWARN (initstate_r);
453#elif defined GNULIB_POSIXCHECK
454# undef initstate_r
455# if HAVE_RAW_DECL_INITSTATE_R
456_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
457 "use gnulib module random_r for portability");
458# endif
459#endif
460
461#if @GNULIB_RANDOM_R@
462# if !@HAVE_RANDOM_R@
463_GL_FUNCDECL_SYS (setstate_r, int,
464 (char *arg_state, struct random_data *rand_state)
465 _GL_ARG_NONNULL ((1, 2)));
466# endif
467_GL_CXXALIAS_SYS (setstate_r, int,
468 (char *arg_state, struct random_data *rand_state));
469_GL_CXXALIASWARN (setstate_r);
470#elif defined GNULIB_POSIXCHECK
f240aacb 471# undef setstate_r
61cd9dc9
LC		 472# if HAVE_RAW_DECL_SETSTATE_R
473_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
474 "use gnulib module random_r for portability");
475# endif
f240aacb
LC		 476#endif
477
f4c79b3c 478
8912421c
LC		 479#if @GNULIB_REALLOC_POSIX@
480# if !@HAVE_REALLOC_POSIX@
f4c79b3c
LC		 481# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
482# undef realloc
483# define realloc rpl_realloc
484# endif
485_GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
486_GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
487# else
488_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
8912421c 489# endif
f4c79b3c 490_GL_CXXALIASWARN (realloc);
8912421c
LC		 491#elif defined GNULIB_POSIXCHECK
492# undef realloc
61cd9dc9
LC		 493/* Assume realloc is always declared. */
494_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
495 "use gnulib module realloc-posix for portability");
8912421c
LC		 496#endif
497
498#if @GNULIB_REALPATH@
499# if @REPLACE_REALPATH@
f4c79b3c
LC		 500# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
501# define realpath rpl_realpath
502# endif
503_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
504 _GL_ARG_NONNULL ((1)));
505_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
506# else
507# if !@HAVE_REALPATH@
508_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
509 _GL_ARG_NONNULL ((1)));
510# endif
511_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
8912421c 512# endif
f4c79b3c 513_GL_CXXALIASWARN (realpath);
8912421c
LC		 514#elif defined GNULIB_POSIXCHECK
515# undef realpath
61cd9dc9
LC		 516# if HAVE_RAW_DECL_REALPATH
517_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
518 "canonicalize or canonicalize-lgpl for portability");
519# endif
8912421c 520#endif
f240aacb
LC		 521
522#if @GNULIB_RPMATCH@
f240aacb
LC		 523/* Test a user response to a question.
524 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
f4c79b3c
LC		 525# if !@HAVE_RPMATCH@
526_GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
f240aacb 527# endif
f4c79b3c
LC		 528_GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
529_GL_CXXALIASWARN (rpmatch);
f240aacb
LC		 530#elif defined GNULIB_POSIXCHECK
531# undef rpmatch
61cd9dc9
LC		 532# if HAVE_RAW_DECL_RPMATCH
533_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
534 "use gnulib module rpmatch for portability");
535# endif
f240aacb
LC		 536#endif
537
f240aacb 538#if @GNULIB_SETENV@
f240aacb
LC		 539/* Set NAME to VALUE in the environment.
540 If REPLACE is nonzero, overwrite an existing value. */
f4c79b3c
LC		 541# if @REPLACE_SETENV@
542# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
543# undef setenv
544# define setenv rpl_setenv
545# endif
546_GL_FUNCDECL_RPL (setenv, int,
547 (const char *name, const char *value, int replace)
548 _GL_ARG_NONNULL ((1)));
549_GL_CXXALIAS_RPL (setenv, int,
550 (const char *name, const char *value, int replace));
551# else
552# if !@HAVE_SETENV@
553_GL_FUNCDECL_SYS (setenv, int,
554 (const char *name, const char *value, int replace)
555 _GL_ARG_NONNULL ((1)));
556# endif
557_GL_CXXALIAS_SYS (setenv, int,
558 (const char *name, const char *value, int replace));
f240aacb 559# endif
f4c79b3c 560_GL_CXXALIASWARN (setenv);
4f02b98d
LC		 561#elif defined GNULIB_POSIXCHECK
562# undef setenv
61cd9dc9
LC		 563# if HAVE_RAW_DECL_SETENV
564_GL_WARN_ON_USE (setenv, "setenv is unportable - "
565 "use gnulib module setenv for portability");
566# endif
f240aacb
LC		 567#endif
568
f240aacb 569#if @GNULIB_STRTOD@
f240aacb 570 /* Parse a double from STRING, updating ENDP if appropriate. */
f4c79b3c
LC		 571# if @REPLACE_STRTOD@
572# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
573# define strtod rpl_strtod
574# endif
575_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
576 _GL_ARG_NONNULL ((1)));
577_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
578# else
579# if !@HAVE_STRTOD@
580_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
581 _GL_ARG_NONNULL ((1)));
582# endif
583_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
f240aacb 584# endif
f4c79b3c 585_GL_CXXALIASWARN (strtod);
f240aacb
LC		 586#elif defined GNULIB_POSIXCHECK
587# undef strtod
61cd9dc9
LC		 588# if HAVE_RAW_DECL_STRTOD
589_GL_WARN_ON_USE (strtod, "strtod is unportable - "
590 "use gnulib module strtod for portability");
591# endif
f240aacb
LC		 592#endif
593
f240aacb 594#if @GNULIB_STRTOLL@
f240aacb
LC		 595/* Parse a signed integer whose textual representation starts at STRING.
596 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
597 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
598 "0x").
599 If ENDPTR is not NULL, the address of the first byte after the integer is
600 stored in *ENDPTR.
601 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
602 to ERANGE. */
f4c79b3c
LC		 603# if !@HAVE_STRTOLL@
604_GL_FUNCDECL_SYS (strtoll, long long,
605 (const char *string, char **endptr, int base)
606 _GL_ARG_NONNULL ((1)));
f240aacb 607# endif
f4c79b3c
LC		 608_GL_CXXALIAS_SYS (strtoll, long long,
609 (const char *string, char **endptr, int base));
610_GL_CXXALIASWARN (strtoll);
f240aacb
LC		 611#elif defined GNULIB_POSIXCHECK
612# undef strtoll
61cd9dc9
LC		 613# if HAVE_RAW_DECL_STRTOLL
614_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
615 "use gnulib module strtoll for portability");
616# endif
f240aacb
LC		 617#endif
618
f240aacb 619#if @GNULIB_STRTOULL@
f240aacb
LC		 620/* Parse an unsigned integer whose textual representation starts at STRING.
621 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
622 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
623 "0x").
624 If ENDPTR is not NULL, the address of the first byte after the integer is
625 stored in *ENDPTR.
626 Upon overflow, the return value is ULLONG_MAX, and errno is set to
627 ERANGE. */
f4c79b3c
LC		 628# if !@HAVE_STRTOULL@
629_GL_FUNCDECL_SYS (strtoull, unsigned long long,
630 (const char *string, char **endptr, int base)
631 _GL_ARG_NONNULL ((1)));
f240aacb 632# endif
f4c79b3c
LC		 633_GL_CXXALIAS_SYS (strtoull, unsigned long long,
634 (const char *string, char **endptr, int base));
635_GL_CXXALIASWARN (strtoull);
f240aacb
LC		 636#elif defined GNULIB_POSIXCHECK
637# undef strtoull
61cd9dc9
LC		 638# if HAVE_RAW_DECL_STRTOULL
639_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
640 "use gnulib module strtoull for portability");
641# endif
f240aacb
LC		 642#endif
643
a927b6c1
LC		 644#if @GNULIB_UNLOCKPT@
645/* Unlock the slave side of the pseudo-terminal whose master side is specified
646 by FD, so that it can be opened. */
647# if !@HAVE_UNLOCKPT@
648_GL_FUNCDECL_SYS (unlockpt, int, (int fd));
649# endif
650_GL_CXXALIAS_SYS (unlockpt, int, (int fd));
651_GL_CXXALIASWARN (unlockpt);
652#elif defined GNULIB_POSIXCHECK
653# undef unlockpt
654# if HAVE_RAW_DECL_UNLOCKPT
655_GL_WARN_ON_USE (ptsname, "unlockpt is not portable - "
656 "use gnulib module unlockpt for portability");
657# endif
658#endif
659
8912421c 660#if @GNULIB_UNSETENV@
8912421c 661/* Remove the variable NAME from the environment. */
f4c79b3c
LC		 662# if @REPLACE_UNSETENV@
663# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
664# undef unsetenv
665# define unsetenv rpl_unsetenv
666# endif
667_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
668_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
669# else
670# if !@HAVE_UNSETENV@
671_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
672# endif
673_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
8912421c 674# endif
f4c79b3c 675_GL_CXXALIASWARN (unsetenv);
4f02b98d
LC		 676#elif defined GNULIB_POSIXCHECK
677# undef unsetenv
61cd9dc9
LC		 678# if HAVE_RAW_DECL_UNSETENV
679_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
680 "use gnulib module unsetenv for portability");
681# endif
8912421c 682#endif
f240aacb 683
f240aacb
LC		 684
685#endif /* _GL_STDLIB_H */
686#endif /* _GL_STDLIB_H */
687#endif
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