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Merge branch 'master' into wip-manual-2
[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
61cd9dc9
LC		 70#if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
71/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
72/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
73/* But avoid namespace pollution on glibc systems. */
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
8912421c
LC		 204#if @GNULIB_MALLOC_POSIX@
205# if !@HAVE_MALLOC_POSIX@
f4c79b3c
LC		 206# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
207# undef malloc
208# define malloc rpl_malloc
209# endif
210_GL_FUNCDECL_RPL (malloc, void *, (size_t size));
211_GL_CXXALIAS_RPL (malloc, void *, (size_t size));
212# else
213_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
8912421c 214# endif
f4c79b3c 215_GL_CXXALIASWARN (malloc);
8912421c
LC		 216#elif defined GNULIB_POSIXCHECK
217# undef malloc
61cd9dc9
LC		 218/* Assume malloc is always declared. */
219_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
220 "use gnulib module malloc-posix for portability");
8912421c 221#endif
f240aacb
LC		 222
223#if @GNULIB_MKDTEMP@
f240aacb
LC		 224/* Create a unique temporary directory from TEMPLATE.
225 The last six characters of TEMPLATE must be "XXXXXX";
226 they are replaced with a string that makes the directory name unique.
227 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
228 The directory is created mode 700. */
f4c79b3c
LC		 229# if !@HAVE_MKDTEMP@
230_GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
f240aacb 231# endif
f4c79b3c
LC		 232_GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
233_GL_CXXALIASWARN (mkdtemp);
f240aacb
LC		 234#elif defined GNULIB_POSIXCHECK
235# undef mkdtemp
61cd9dc9
LC		 236# if HAVE_RAW_DECL_MKDTEMP
237_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
238 "use gnulib module mkdtemp for portability");
239# endif
f240aacb
LC		 240#endif
241
8912421c 242#if @GNULIB_MKOSTEMP@
8912421c
LC		 243/* Create a unique temporary file from TEMPLATE.
244 The last six characters of TEMPLATE must be "XXXXXX";
245 they are replaced with a string that makes the file name unique.
246 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
247 and O_TEXT, O_BINARY (defined in "binary-io.h").
248 The file is then created, with the specified flags, ensuring it didn't exist
249 before.
250 The file is created read-write (mask at least 0600 & ~umask), but it may be
251 world-readable and world-writable (mask 0666 & ~umask), depending on the
252 implementation.
253 Returns the open file descriptor if successful, otherwise -1 and errno
254 set. */
f4c79b3c
LC		 255# if !@HAVE_MKOSTEMP@
256_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
257 _GL_ARG_NONNULL ((1)));
8912421c 258# endif
f4c79b3c
LC		 259_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
260_GL_CXXALIASWARN (mkostemp);
8912421c
LC		 261#elif defined GNULIB_POSIXCHECK
262# undef mkostemp
61cd9dc9
LC		 263# if HAVE_RAW_DECL_MKOSTEMP
264_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
265 "use gnulib module mkostemp for portability");
266# endif
8912421c 267#endif
f240aacb 268
f29ded4b 269#if @GNULIB_MKOSTEMPS@
f29ded4b
LC		 270/* Create a unique temporary file from TEMPLATE.
271 The last six characters of TEMPLATE before a suffix of length
272 SUFFIXLEN must be "XXXXXX";
273 they are replaced with a string that makes the file name unique.
274 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
275 and O_TEXT, O_BINARY (defined in "binary-io.h").
276 The file is then created, with the specified flags, ensuring it didn't exist
277 before.
278 The file is created read-write (mask at least 0600 & ~umask), but it may be
279 world-readable and world-writable (mask 0666 & ~umask), depending on the
280 implementation.
281 Returns the open file descriptor if successful, otherwise -1 and errno
282 set. */
f4c79b3c
LC		 283# if !@HAVE_MKOSTEMPS@
284_GL_FUNCDECL_SYS (mkostemps, int,
285 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
286 _GL_ARG_NONNULL ((1)));
f29ded4b 287# endif
f4c79b3c
LC		 288_GL_CXXALIAS_SYS (mkostemps, int,
289 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
290_GL_CXXALIASWARN (mkostemps);
f29ded4b
LC		 291#elif defined GNULIB_POSIXCHECK
292# undef mkostemps
61cd9dc9
LC		 293# if HAVE_RAW_DECL_MKOSTEMPS
294_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
295 "use gnulib module mkostemps for portability");
296# endif
f29ded4b
LC		 297#endif
298
f240aacb 299#if @GNULIB_MKSTEMP@
f240aacb
LC		 300/* Create a unique temporary file from TEMPLATE.
301 The last six characters of TEMPLATE must be "XXXXXX";
302 they are replaced with a string that makes the file name unique.
303 The file is then created, ensuring it didn't exist before.
304 The file is created read-write (mask at least 0600 & ~umask), but it may be
305 world-readable and world-writable (mask 0666 & ~umask), depending on the
306 implementation.
307 Returns the open file descriptor if successful, otherwise -1 and errno
308 set. */
f4c79b3c
LC		 309# if @REPLACE_MKSTEMP@
310# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
311# define mkstemp rpl_mkstemp
312# endif
313_GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
314_GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
315# else
316_GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
f240aacb 317# endif
f4c79b3c 318_GL_CXXALIASWARN (mkstemp);
f240aacb
LC		 319#elif defined GNULIB_POSIXCHECK
320# undef mkstemp
61cd9dc9
LC		 321# if HAVE_RAW_DECL_MKSTEMP
322_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
323 "use gnulib module mkstemp for portability");
324# endif
f240aacb
LC		 325#endif
326
f29ded4b 327#if @GNULIB_MKSTEMPS@
f29ded4b
LC		 328/* Create a unique temporary file from TEMPLATE.
329 The last six characters of TEMPLATE prior to a suffix of length
330 SUFFIXLEN must be "XXXXXX";
331 they are replaced with a string that makes the file name unique.
332 The file is then created, ensuring it didn't exist before.
333 The file is created read-write (mask at least 0600 & ~umask), but it may be
334 world-readable and world-writable (mask 0666 & ~umask), depending on the
335 implementation.
336 Returns the open file descriptor if successful, otherwise -1 and errno
337 set. */
f4c79b3c
LC		 338# if !@HAVE_MKSTEMPS@
339_GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
340 _GL_ARG_NONNULL ((1)));
f29ded4b 341# endif
f4c79b3c
LC		 342_GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
343_GL_CXXALIASWARN (mkstemps);
f29ded4b
LC		 344#elif defined GNULIB_POSIXCHECK
345# undef mkstemps
61cd9dc9
LC		 346# if HAVE_RAW_DECL_MKSTEMPS
347_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
348 "use gnulib module mkstemps for portability");
349# endif
f29ded4b
LC		 350#endif
351
f240aacb
LC		 352#if @GNULIB_PUTENV@
353# if @REPLACE_PUTENV@
f4c79b3c
LC		 354# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
355# undef putenv
356# define putenv rpl_putenv
357# endif
358_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
359_GL_CXXALIAS_RPL (putenv, int, (char *string));
360# else
361_GL_CXXALIAS_SYS (putenv, int, (char *string));
f240aacb 362# endif
f4c79b3c 363_GL_CXXALIASWARN (putenv);
f240aacb
LC		 364#endif
365
f4c79b3c 366
f240aacb
LC		 367#if @GNULIB_RANDOM_R@
368# if !@HAVE_RANDOM_R@
f240aacb
LC		 369# ifndef RAND_MAX
370# define RAND_MAX 2147483647
371# endif
f4c79b3c
LC		 372# endif
373#endif
f240aacb 374
f4c79b3c
LC		 375#if @GNULIB_RANDOM_R@
376# if !@HAVE_RANDOM_R@
377_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
378 _GL_ARG_NONNULL ((1, 2)));
f240aacb 379# endif
f4c79b3c
LC		 380_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
381_GL_CXXALIASWARN (random_r);
f240aacb
LC		 382#elif defined GNULIB_POSIXCHECK
383# undef random_r
61cd9dc9
LC		 384# if HAVE_RAW_DECL_RANDOM_R
385_GL_WARN_ON_USE (random_r, "random_r is unportable - "
386 "use gnulib module random_r for portability");
387# endif
f4c79b3c
LC		 388#endif
389
390#if @GNULIB_RANDOM_R@
391# if !@HAVE_RANDOM_R@
392_GL_FUNCDECL_SYS (srandom_r, int,
393 (unsigned int seed, struct random_data *rand_state)
394 _GL_ARG_NONNULL ((2)));
61cd9dc9 395# endif
f4c79b3c
LC		 396_GL_CXXALIAS_SYS (srandom_r, int,
397 (unsigned int seed, struct random_data *rand_state));
398_GL_CXXALIASWARN (srandom_r);
399#elif defined GNULIB_POSIXCHECK
f240aacb 400# undef srandom_r
61cd9dc9
LC		 401# if HAVE_RAW_DECL_SRANDOM_R
402_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
403 "use gnulib module random_r for portability");
404# endif
f4c79b3c
LC		 405#endif
406
407#if @GNULIB_RANDOM_R@
408# if !@HAVE_RANDOM_R@
409_GL_FUNCDECL_SYS (initstate_r, int,
410 (unsigned int seed, char *buf, size_t buf_size,
411 struct random_data *rand_state)
412 _GL_ARG_NONNULL ((2, 4)));
413# endif
414_GL_CXXALIAS_SYS (initstate_r, int,
415 (unsigned int seed, char *buf, size_t buf_size,
416 struct random_data *rand_state));
417_GL_CXXALIASWARN (initstate_r);
418#elif defined GNULIB_POSIXCHECK
419# undef initstate_r
420# if HAVE_RAW_DECL_INITSTATE_R
421_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
422 "use gnulib module random_r for portability");
423# endif
424#endif
425
426#if @GNULIB_RANDOM_R@
427# if !@HAVE_RANDOM_R@
428_GL_FUNCDECL_SYS (setstate_r, int,
429 (char *arg_state, struct random_data *rand_state)
430 _GL_ARG_NONNULL ((1, 2)));
431# endif
432_GL_CXXALIAS_SYS (setstate_r, int,
433 (char *arg_state, struct random_data *rand_state));
434_GL_CXXALIASWARN (setstate_r);
435#elif defined GNULIB_POSIXCHECK
f240aacb 436# undef setstate_r
61cd9dc9
LC		 437# if HAVE_RAW_DECL_SETSTATE_R
438_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
439 "use gnulib module random_r for portability");
440# endif
f240aacb
LC		 441#endif
442
f4c79b3c 443
8912421c
LC		 444#if @GNULIB_REALLOC_POSIX@
445# if !@HAVE_REALLOC_POSIX@
f4c79b3c
LC		 446# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
447# undef realloc
448# define realloc rpl_realloc
449# endif
450_GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
451_GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
452# else
453_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
8912421c 454# endif
f4c79b3c 455_GL_CXXALIASWARN (realloc);
8912421c
LC		 456#elif defined GNULIB_POSIXCHECK
457# undef realloc
61cd9dc9
LC		 458/* Assume realloc is always declared. */
459_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
460 "use gnulib module realloc-posix for portability");
8912421c
LC		 461#endif
462
463#if @GNULIB_REALPATH@
464# if @REPLACE_REALPATH@
f4c79b3c
LC		 465# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
466# define realpath rpl_realpath
467# endif
468_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
469 _GL_ARG_NONNULL ((1)));
470_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
471# else
472# if !@HAVE_REALPATH@
473_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
474 _GL_ARG_NONNULL ((1)));
475# endif
476_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
8912421c 477# endif
f4c79b3c 478_GL_CXXALIASWARN (realpath);
8912421c
LC		 479#elif defined GNULIB_POSIXCHECK
480# undef realpath
61cd9dc9
LC		 481# if HAVE_RAW_DECL_REALPATH
482_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
483 "canonicalize or canonicalize-lgpl for portability");
484# endif
8912421c 485#endif
f240aacb
LC		 486
487#if @GNULIB_RPMATCH@
f240aacb
LC		 488/* Test a user response to a question.
489 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
f4c79b3c
LC		 490# if !@HAVE_RPMATCH@
491_GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
f240aacb 492# endif
f4c79b3c
LC		 493_GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
494_GL_CXXALIASWARN (rpmatch);
f240aacb
LC		 495#elif defined GNULIB_POSIXCHECK
496# undef rpmatch
61cd9dc9
LC		 497# if HAVE_RAW_DECL_RPMATCH
498_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
499 "use gnulib module rpmatch for portability");
500# endif
f240aacb
LC		 501#endif
502
f240aacb 503#if @GNULIB_SETENV@
f240aacb
LC		 504/* Set NAME to VALUE in the environment.
505 If REPLACE is nonzero, overwrite an existing value. */
f4c79b3c
LC		 506# if @REPLACE_SETENV@
507# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
508# undef setenv
509# define setenv rpl_setenv
510# endif
511_GL_FUNCDECL_RPL (setenv, int,
512 (const char *name, const char *value, int replace)
513 _GL_ARG_NONNULL ((1)));
514_GL_CXXALIAS_RPL (setenv, int,
515 (const char *name, const char *value, int replace));
516# else
517# if !@HAVE_SETENV@
518_GL_FUNCDECL_SYS (setenv, int,
519 (const char *name, const char *value, int replace)
520 _GL_ARG_NONNULL ((1)));
521# endif
522_GL_CXXALIAS_SYS (setenv, int,
523 (const char *name, const char *value, int replace));
f240aacb 524# endif
f4c79b3c 525_GL_CXXALIASWARN (setenv);
4f02b98d
LC		 526#elif defined GNULIB_POSIXCHECK
527# undef setenv
61cd9dc9
LC		 528# if HAVE_RAW_DECL_SETENV
529_GL_WARN_ON_USE (setenv, "setenv is unportable - "
530 "use gnulib module setenv for portability");
531# endif
f240aacb
LC		 532#endif
533
f240aacb 534#if @GNULIB_STRTOD@
f240aacb 535 /* Parse a double from STRING, updating ENDP if appropriate. */
f4c79b3c
LC		 536# if @REPLACE_STRTOD@
537# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
538# define strtod rpl_strtod
539# endif
540_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
541 _GL_ARG_NONNULL ((1)));
542_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
543# else
544# if !@HAVE_STRTOD@
545_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
546 _GL_ARG_NONNULL ((1)));
547# endif
548_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
f240aacb 549# endif
f4c79b3c 550_GL_CXXALIASWARN (strtod);
f240aacb
LC		 551#elif defined GNULIB_POSIXCHECK
552# undef strtod
61cd9dc9
LC		 553# if HAVE_RAW_DECL_STRTOD
554_GL_WARN_ON_USE (strtod, "strtod is unportable - "
555 "use gnulib module strtod for portability");
556# endif
f240aacb
LC		 557#endif
558
f240aacb 559#if @GNULIB_STRTOLL@
f240aacb
LC		 560/* Parse a signed integer whose textual representation starts at STRING.
561 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
562 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
563 "0x").
564 If ENDPTR is not NULL, the address of the first byte after the integer is
565 stored in *ENDPTR.
566 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
567 to ERANGE. */
f4c79b3c
LC		 568# if !@HAVE_STRTOLL@
569_GL_FUNCDECL_SYS (strtoll, long long,
570 (const char *string, char **endptr, int base)
571 _GL_ARG_NONNULL ((1)));
f240aacb 572# endif
f4c79b3c
LC		 573_GL_CXXALIAS_SYS (strtoll, long long,
574 (const char *string, char **endptr, int base));
575_GL_CXXALIASWARN (strtoll);
f240aacb
LC		 576#elif defined GNULIB_POSIXCHECK
577# undef strtoll
61cd9dc9
LC		 578# if HAVE_RAW_DECL_STRTOLL
579_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
580 "use gnulib module strtoll for portability");
581# endif
f240aacb
LC		 582#endif
583
f240aacb 584#if @GNULIB_STRTOULL@
f240aacb
LC		 585/* Parse an unsigned integer whose textual representation starts at STRING.
586 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
587 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
588 "0x").
589 If ENDPTR is not NULL, the address of the first byte after the integer is
590 stored in *ENDPTR.
591 Upon overflow, the return value is ULLONG_MAX, and errno is set to
592 ERANGE. */
f4c79b3c
LC		 593# if !@HAVE_STRTOULL@
594_GL_FUNCDECL_SYS (strtoull, unsigned long long,
595 (const char *string, char **endptr, int base)
596 _GL_ARG_NONNULL ((1)));
f240aacb 597# endif
f4c79b3c
LC		 598_GL_CXXALIAS_SYS (strtoull, unsigned long long,
599 (const char *string, char **endptr, int base));
600_GL_CXXALIASWARN (strtoull);
f240aacb
LC		 601#elif defined GNULIB_POSIXCHECK
602# undef strtoull
61cd9dc9
LC		 603# if HAVE_RAW_DECL_STRTOULL
604_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
605 "use gnulib module strtoull for portability");
606# endif
f240aacb
LC		 607#endif
608
8912421c 609#if @GNULIB_UNSETENV@
8912421c 610/* Remove the variable NAME from the environment. */
f4c79b3c
LC		 611# if @REPLACE_UNSETENV@
612# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
613# undef unsetenv
614# define unsetenv rpl_unsetenv
615# endif
616_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
617_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
618# else
619# if !@HAVE_UNSETENV@
620_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
621# endif
622_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
8912421c 623# endif
f4c79b3c 624_GL_CXXALIASWARN (unsetenv);
4f02b98d
LC		 625#elif defined GNULIB_POSIXCHECK
626# undef unsetenv
61cd9dc9
LC		 627# if HAVE_RAW_DECL_UNSETENV
628_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
629 "use gnulib module unsetenv for portability");
630# endif
8912421c 631#endif
f240aacb 632
f240aacb
LC		 633
634#endif /* _GL_STDLIB_H */
635#endif /* _GL_STDLIB_H */
636#endif
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