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doc: Document the `sitedir' and `extensiondir' pkg-config variables.
[bpt/guile.git] / lib / stdlib.in.h
CommitLineData
f240aacb
LC		 1/* A GNU-like <stdlib.h>.
2
49114fd4 3 Copyright (C) 1995, 2001-2004, 2006-2011 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
0f00f2c3 21@PRAGMA_COLUMNS@
f240aacb
LC		 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
3d458a81 31#ifndef _@GUARD_PREFIX@_STDLIB_H
f240aacb
LC		 32
33/* The include_next requires a split double-inclusion guard. */
34#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
35
3d458a81
AW		 36#ifndef _@GUARD_PREFIX@_STDLIB_H
37#define _@GUARD_PREFIX@_STDLIB_H
f240aacb 38
8912421c
LC		 39/* NetBSD 5.0 mis-defines NULL. */
40#include <stddef.h>
f240aacb 41
0f00f2c3
LC		 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
f240aacb 47/* Solaris declares getloadavg() in <sys/loadavg.h>. */
61cd9dc9 48#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
f240aacb
LC		 49# include <sys/loadavg.h>
50#endif
51
49114fd4
LC		 52#if @GNULIB_RANDOM_R@
53
f240aacb 54/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
49114fd4
LC		 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
f240aacb 60
49114fd4
LC		 61# if !@HAVE_STRUCT_RANDOM_DATA@ || !@HAVE_RANDOM_R@
62# include <stdint.h>
63# endif
f240aacb 64
49114fd4 65# if !@HAVE_STRUCT_RANDOM_DATA@
0f00f2c3
LC		 66/* Define 'struct random_data'.
67 But allow multiple gnulib generated <stdlib.h> replacements to coexist. */
49114fd4 68# if !GNULIB_defined_struct_random_data
f240aacb
LC		 69struct random_data
70{
1cd4fffc
LC		 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. */
f240aacb 78};
49114fd4
LC		 79# define GNULIB_defined_struct_random_data 1
80# endif
0f00f2c3 81# endif
f240aacb
LC		 82#endif
83
3d458a81 84#if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
61cd9dc9 85/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
3d458a81 86/* On MacOS X 10.5, only <unistd.h> declares mkstemps. */
61cd9dc9 87/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
a927b6c1 88/* But avoid namespace pollution on glibc systems and native Windows. */
61cd9dc9
LC		 89# include <unistd.h>
90#endif
f240aacb 91
49114fd4
LC		 92#if 3 <= __GNUC__ || __GNUC__ == 2 && 8 <= __GNUC_MINOR__
93# define _GL_ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
94#else
95# define _GL_ATTRIBUTE_NORETURN
9157d901
LC		 96#endif
97
f4c79b3c
LC		 98/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
99
1cd4fffc
LC		 100/* The definition of _GL_ARG_NONNULL is copied here. */
101
61cd9dc9
LC		 102/* The definition of _GL_WARN_ON_USE is copied here. */
103
f240aacb
LC		 104
105/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
106#ifndef EXIT_SUCCESS
107# define EXIT_SUCCESS 0
108#endif
109/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
110 with proper operation of xargs. */
111#ifndef EXIT_FAILURE
112# define EXIT_FAILURE 1
113#elif EXIT_FAILURE != 1
114# undef EXIT_FAILURE
115# define EXIT_FAILURE 1
116#endif
117
118
9157d901
LC		 119#if @GNULIB__EXIT@
120/* Terminate the current process with the given return code, without running
121 the 'atexit' handlers. */
122# if !@HAVE__EXIT@
49114fd4 123_GL_FUNCDECL_SYS (_Exit, void, (int status) _GL_ATTRIBUTE_NORETURN);
9157d901
LC		 124# endif
125_GL_CXXALIAS_SYS (_Exit, void, (int status));
126_GL_CXXALIASWARN (_Exit);
127#elif defined GNULIB_POSIXCHECK
128# undef _Exit
129# if HAVE_RAW_DECL__EXIT
130_GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
131 "use gnulib module _Exit for portability");
132# endif
133#endif
134
135
8912421c 136#if @GNULIB_ATOLL@
8912421c
LC		 137/* Parse a signed decimal integer.
138 Returns the value of the integer. Errors are not detected. */
f4c79b3c
LC		 139# if !@HAVE_ATOLL@
140_GL_FUNCDECL_SYS (atoll, long long, (const char *string) _GL_ARG_NONNULL ((1)));
f240aacb 141# endif
f4c79b3c
LC		 142_GL_CXXALIAS_SYS (atoll, long long, (const char *string));
143_GL_CXXALIASWARN (atoll);
f240aacb 144#elif defined GNULIB_POSIXCHECK
8912421c 145# undef atoll
61cd9dc9
LC		 146# if HAVE_RAW_DECL_ATOLL
147_GL_WARN_ON_USE (atoll, "atoll is unportable - "
148 "use gnulib module atoll for portability");
149# endif
f240aacb
LC		 150#endif
151
f240aacb 152#if @GNULIB_CALLOC_POSIX@
9157d901 153# if @REPLACE_CALLOC@
f4c79b3c
LC		 154# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
155# undef calloc
156# define calloc rpl_calloc
157# endif
158_GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
159_GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
160# else
161_GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
f240aacb 162# endif
f4c79b3c 163_GL_CXXALIASWARN (calloc);
f240aacb
LC		 164#elif defined GNULIB_POSIXCHECK
165# undef calloc
61cd9dc9
LC		 166/* Assume calloc is always declared. */
167_GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
168 "use gnulib module calloc-posix for portability");
f240aacb
LC		 169#endif
170
8912421c
LC		 171#if @GNULIB_CANONICALIZE_FILE_NAME@
172# if @REPLACE_CANONICALIZE_FILE_NAME@
f4c79b3c
LC		 173# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
174# define canonicalize_file_name rpl_canonicalize_file_name
175# endif
176_GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
177 _GL_ARG_NONNULL ((1)));
178_GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
179# else
180# if !@HAVE_CANONICALIZE_FILE_NAME@
181_GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
182 _GL_ARG_NONNULL ((1)));
183# endif
184_GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
f240aacb 185# endif
f4c79b3c 186_GL_CXXALIASWARN (canonicalize_file_name);
f240aacb 187#elif defined GNULIB_POSIXCHECK
8912421c 188# undef canonicalize_file_name
61cd9dc9 189# if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
0f00f2c3
LC		 190_GL_WARN_ON_USE (canonicalize_file_name,
191 "canonicalize_file_name is unportable - "
61cd9dc9
LC		 192 "use gnulib module canonicalize-lgpl for portability");
193# endif
f240aacb
LC		 194#endif
195
f240aacb 196#if @GNULIB_GETLOADAVG@
f240aacb
LC		 197/* Store max(NELEM,3) load average numbers in LOADAVG[].
198 The three numbers are the load average of the last 1 minute, the last 5
199 minutes, and the last 15 minutes, respectively.
200 LOADAVG is an array of NELEM numbers. */
f4c79b3c
LC		 201# if !@HAVE_DECL_GETLOADAVG@
202_GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
203 _GL_ARG_NONNULL ((1)));
f240aacb 204# endif
f4c79b3c
LC		 205_GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
206_GL_CXXALIASWARN (getloadavg);
f240aacb
LC		 207#elif defined GNULIB_POSIXCHECK
208# undef getloadavg
61cd9dc9
LC		 209# if HAVE_RAW_DECL_GETLOADAVG
210_GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
211 "use gnulib module getloadavg for portability");
212# endif
f240aacb
LC		 213#endif
214
f240aacb
LC		 215#if @GNULIB_GETSUBOPT@
216/* Assuming *OPTIONP is a comma separated list of elements of the form
217 "token" or "token=value", getsubopt parses the first of these elements.
218 If the first element refers to a "token" that is member of the given
219 NULL-terminated array of tokens:
220 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
221 the first option and the comma, sets *VALUEP to the value of the
222 element (or NULL if it doesn't contain an "=" sign),
223 - It returns the index of the "token" in the given array of tokens.
224 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
225 For more details see the POSIX:2001 specification.
226 http://www.opengroup.org/susv3xsh/getsubopt.html */
227# if !@HAVE_GETSUBOPT@
f4c79b3c
LC		 228_GL_FUNCDECL_SYS (getsubopt, int,
229 (char **optionp, char *const *tokens, char **valuep)
230 _GL_ARG_NONNULL ((1, 2, 3)));
f240aacb 231# endif
f4c79b3c
LC		 232_GL_CXXALIAS_SYS (getsubopt, int,
233 (char **optionp, char *const *tokens, char **valuep));
234_GL_CXXALIASWARN (getsubopt);
f240aacb
LC		 235#elif defined GNULIB_POSIXCHECK
236# undef getsubopt
61cd9dc9
LC		 237# if HAVE_RAW_DECL_GETSUBOPT
238_GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
239 "use gnulib module getsubopt for portability");
240# endif
f240aacb
LC		 241#endif
242
a927b6c1
LC		 243#if @GNULIB_GRANTPT@
244/* Change the ownership and access permission of the slave side of the
245 pseudo-terminal whose master side is specified by FD. */
246# if !@HAVE_GRANTPT@
247_GL_FUNCDECL_SYS (grantpt, int, (int fd));
248# endif
249_GL_CXXALIAS_SYS (grantpt, int, (int fd));
250_GL_CXXALIASWARN (grantpt);
251#elif defined GNULIB_POSIXCHECK
252# undef grantpt
253# if HAVE_RAW_DECL_GRANTPT
254_GL_WARN_ON_USE (ptsname, "grantpt is not portable - "
255 "use gnulib module grantpt for portability");
256# endif
257#endif
258
dd7d0148
LC		 259/* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
260 rely on GNU or POSIX semantics for malloc and realloc (for example,
261 by never specifying a zero size), so it does not need malloc or
262 realloc to be redefined. */
8912421c 263#if @GNULIB_MALLOC_POSIX@
9157d901 264# if @REPLACE_MALLOC@
dd7d0148
LC		 265# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
266 || _GL_USE_STDLIB_ALLOC)
f4c79b3c
LC		 267# undef malloc
268# define malloc rpl_malloc
269# endif
270_GL_FUNCDECL_RPL (malloc, void *, (size_t size));
271_GL_CXXALIAS_RPL (malloc, void *, (size_t size));
272# else
273_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
8912421c 274# endif
f4c79b3c 275_GL_CXXALIASWARN (malloc);
dd7d0148 276#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
8912421c 277# undef malloc
61cd9dc9
LC		 278/* Assume malloc is always declared. */
279_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
280 "use gnulib module malloc-posix for portability");
8912421c 281#endif
f240aacb 282
dd36ce77
MW		 283/* Convert a multibyte character to a wide character. */
284#if @GNULIB_MBTOWC@
285# if @REPLACE_MBTOWC@
286# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
287# undef mbtowc
288# define mbtowc rpl_mbtowc
289# endif
290_GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
291_GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
292# else
293_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
294# endif
295_GL_CXXALIASWARN (mbtowc);
296#endif
297
f240aacb 298#if @GNULIB_MKDTEMP@
f240aacb
LC		 299/* Create a unique temporary directory from TEMPLATE.
300 The last six characters of TEMPLATE must be "XXXXXX";
301 they are replaced with a string that makes the directory name unique.
302 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
303 The directory is created mode 700. */
f4c79b3c
LC		 304# if !@HAVE_MKDTEMP@
305_GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
f240aacb 306# endif
f4c79b3c
LC		 307_GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
308_GL_CXXALIASWARN (mkdtemp);
f240aacb
LC		 309#elif defined GNULIB_POSIXCHECK
310# undef mkdtemp
61cd9dc9
LC		 311# if HAVE_RAW_DECL_MKDTEMP
312_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
313 "use gnulib module mkdtemp for portability");
314# endif
f240aacb
LC		 315#endif
316
8912421c 317#if @GNULIB_MKOSTEMP@
8912421c
LC		 318/* Create a unique temporary file from TEMPLATE.
319 The last six characters of TEMPLATE must be "XXXXXX";
320 they are replaced with a string that makes the file name unique.
321 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
322 and O_TEXT, O_BINARY (defined in "binary-io.h").
323 The file is then created, with the specified flags, ensuring it didn't exist
324 before.
325 The file is created read-write (mask at least 0600 & ~umask), but it may be
326 world-readable and world-writable (mask 0666 & ~umask), depending on the
327 implementation.
328 Returns the open file descriptor if successful, otherwise -1 and errno
329 set. */
f4c79b3c
LC		 330# if !@HAVE_MKOSTEMP@
331_GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
332 _GL_ARG_NONNULL ((1)));
8912421c 333# endif
f4c79b3c
LC		 334_GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
335_GL_CXXALIASWARN (mkostemp);
8912421c
LC		 336#elif defined GNULIB_POSIXCHECK
337# undef mkostemp
61cd9dc9
LC		 338# if HAVE_RAW_DECL_MKOSTEMP
339_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
340 "use gnulib module mkostemp for portability");
341# endif
8912421c 342#endif
f240aacb 343
f29ded4b 344#if @GNULIB_MKOSTEMPS@
f29ded4b
LC		 345/* Create a unique temporary file from TEMPLATE.
346 The last six characters of TEMPLATE before a suffix of length
347 SUFFIXLEN must be "XXXXXX";
348 they are replaced with a string that makes the file name unique.
349 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
350 and O_TEXT, O_BINARY (defined in "binary-io.h").
351 The file is then created, with the specified flags, ensuring it didn't exist
352 before.
353 The file is created read-write (mask at least 0600 & ~umask), but it may be
354 world-readable and world-writable (mask 0666 & ~umask), depending on the
355 implementation.
356 Returns the open file descriptor if successful, otherwise -1 and errno
357 set. */
f4c79b3c
LC		 358# if !@HAVE_MKOSTEMPS@
359_GL_FUNCDECL_SYS (mkostemps, int,
360 (char * /*template*/, int /*suffixlen*/, int /*flags*/)
361 _GL_ARG_NONNULL ((1)));
f29ded4b 362# endif
f4c79b3c
LC		 363_GL_CXXALIAS_SYS (mkostemps, int,
364 (char * /*template*/, int /*suffixlen*/, int /*flags*/));
365_GL_CXXALIASWARN (mkostemps);
f29ded4b
LC		 366#elif defined GNULIB_POSIXCHECK
367# undef mkostemps
61cd9dc9
LC		 368# if HAVE_RAW_DECL_MKOSTEMPS
369_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
370 "use gnulib module mkostemps for portability");
371# endif
f29ded4b
LC		 372#endif
373
f240aacb 374#if @GNULIB_MKSTEMP@
f240aacb
LC		 375/* Create a unique temporary file from TEMPLATE.
376 The last six characters of TEMPLATE must be "XXXXXX";
377 they are replaced with a string that makes the file name unique.
378 The file is then created, ensuring it didn't exist before.
379 The file is created read-write (mask at least 0600 & ~umask), but it may be
380 world-readable and world-writable (mask 0666 & ~umask), depending on the
381 implementation.
382 Returns the open file descriptor if successful, otherwise -1 and errno
383 set. */
f4c79b3c
LC		 384# if @REPLACE_MKSTEMP@
385# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
386# define mkstemp rpl_mkstemp
387# endif
388_GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
389_GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
390# else
a927b6c1
LC		 391# if ! @HAVE_MKSTEMP@
392_GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
393# endif
f4c79b3c 394_GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
f240aacb 395# endif
f4c79b3c 396_GL_CXXALIASWARN (mkstemp);
f240aacb
LC		 397#elif defined GNULIB_POSIXCHECK
398# undef mkstemp
61cd9dc9
LC		 399# if HAVE_RAW_DECL_MKSTEMP
400_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
401 "use gnulib module mkstemp for portability");
402# endif
f240aacb
LC		 403#endif
404
f29ded4b 405#if @GNULIB_MKSTEMPS@
f29ded4b
LC		 406/* Create a unique temporary file from TEMPLATE.
407 The last six characters of TEMPLATE prior to a suffix of length
408 SUFFIXLEN must be "XXXXXX";
409 they are replaced with a string that makes the file name unique.
410 The file is then created, ensuring it didn't exist before.
411 The file is created read-write (mask at least 0600 & ~umask), but it may be
412 world-readable and world-writable (mask 0666 & ~umask), depending on the
413 implementation.
414 Returns the open file descriptor if successful, otherwise -1 and errno
415 set. */
f4c79b3c
LC		 416# if !@HAVE_MKSTEMPS@
417_GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
418 _GL_ARG_NONNULL ((1)));
f29ded4b 419# endif
f4c79b3c
LC		 420_GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
421_GL_CXXALIASWARN (mkstemps);
f29ded4b
LC		 422#elif defined GNULIB_POSIXCHECK
423# undef mkstemps
61cd9dc9
LC		 424# if HAVE_RAW_DECL_MKSTEMPS
425_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
426 "use gnulib module mkstemps for portability");
427# endif
f29ded4b
LC		 428#endif
429
a927b6c1
LC		 430#if @GNULIB_PTSNAME@
431/* Return the pathname of the pseudo-terminal slave associated with
432 the master FD is open on, or NULL on errors. */
433# if !@HAVE_PTSNAME@
434_GL_FUNCDECL_SYS (ptsname, char *, (int fd));
435# endif
436_GL_CXXALIAS_SYS (ptsname, char *, (int fd));
437_GL_CXXALIASWARN (ptsname);
438#elif defined GNULIB_POSIXCHECK
439# undef ptsname
440# if HAVE_RAW_DECL_PTSNAME
441_GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
442 "use gnulib module ptsname for portability");
443# endif
444#endif
445
f240aacb
LC		 446#if @GNULIB_PUTENV@
447# if @REPLACE_PUTENV@
f4c79b3c
LC		 448# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
449# undef putenv
450# define putenv rpl_putenv
451# endif
452_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
453_GL_CXXALIAS_RPL (putenv, int, (char *string));
454# else
455_GL_CXXALIAS_SYS (putenv, int, (char *string));
f240aacb 456# endif
f4c79b3c 457_GL_CXXALIASWARN (putenv);
f240aacb
LC		 458#endif
459
f4c79b3c 460
f240aacb
LC		 461#if @GNULIB_RANDOM_R@
462# if !@HAVE_RANDOM_R@
f240aacb
LC		 463# ifndef RAND_MAX
464# define RAND_MAX 2147483647
465# endif
f4c79b3c
LC		 466# endif
467#endif
f240aacb 468
f4c79b3c
LC		 469#if @GNULIB_RANDOM_R@
470# if !@HAVE_RANDOM_R@
471_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
472 _GL_ARG_NONNULL ((1, 2)));
f240aacb 473# endif
f4c79b3c
LC		 474_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
475_GL_CXXALIASWARN (random_r);
f240aacb
LC		 476#elif defined GNULIB_POSIXCHECK
477# undef random_r
61cd9dc9
LC		 478# if HAVE_RAW_DECL_RANDOM_R
479_GL_WARN_ON_USE (random_r, "random_r is unportable - "
480 "use gnulib module random_r for portability");
481# endif
f4c79b3c
LC		 482#endif
483
484#if @GNULIB_RANDOM_R@
485# if !@HAVE_RANDOM_R@
486_GL_FUNCDECL_SYS (srandom_r, int,
487 (unsigned int seed, struct random_data *rand_state)
488 _GL_ARG_NONNULL ((2)));
61cd9dc9 489# endif
f4c79b3c
LC		 490_GL_CXXALIAS_SYS (srandom_r, int,
491 (unsigned int seed, struct random_data *rand_state));
492_GL_CXXALIASWARN (srandom_r);
493#elif defined GNULIB_POSIXCHECK
f240aacb 494# undef srandom_r
61cd9dc9
LC		 495# if HAVE_RAW_DECL_SRANDOM_R
496_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
497 "use gnulib module random_r for portability");
498# endif
f4c79b3c
LC		 499#endif
500
501#if @GNULIB_RANDOM_R@
502# if !@HAVE_RANDOM_R@
503_GL_FUNCDECL_SYS (initstate_r, int,
504 (unsigned int seed, char *buf, size_t buf_size,
505 struct random_data *rand_state)
506 _GL_ARG_NONNULL ((2, 4)));
507# endif
508_GL_CXXALIAS_SYS (initstate_r, int,
509 (unsigned int seed, char *buf, size_t buf_size,
510 struct random_data *rand_state));
511_GL_CXXALIASWARN (initstate_r);
512#elif defined GNULIB_POSIXCHECK
513# undef initstate_r
514# if HAVE_RAW_DECL_INITSTATE_R
515_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
516 "use gnulib module random_r for portability");
517# endif
518#endif
519
520#if @GNULIB_RANDOM_R@
521# if !@HAVE_RANDOM_R@
522_GL_FUNCDECL_SYS (setstate_r, int,
523 (char *arg_state, struct random_data *rand_state)
524 _GL_ARG_NONNULL ((1, 2)));
525# endif
526_GL_CXXALIAS_SYS (setstate_r, int,
527 (char *arg_state, struct random_data *rand_state));
528_GL_CXXALIASWARN (setstate_r);
529#elif defined GNULIB_POSIXCHECK
f240aacb 530# undef setstate_r
61cd9dc9
LC		 531# if HAVE_RAW_DECL_SETSTATE_R
532_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
533 "use gnulib module random_r for portability");
534# endif
f240aacb
LC		 535#endif
536
f4c79b3c 537
8912421c 538#if @GNULIB_REALLOC_POSIX@
9157d901 539# if @REPLACE_REALLOC@
dd7d0148
LC		 540# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
541 || _GL_USE_STDLIB_ALLOC)
f4c79b3c
LC		 542# undef realloc
543# define realloc rpl_realloc
544# endif
545_GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
546_GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
547# else
548_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
8912421c 549# endif
f4c79b3c 550_GL_CXXALIASWARN (realloc);
dd7d0148 551#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
8912421c 552# undef realloc
61cd9dc9
LC		 553/* Assume realloc is always declared. */
554_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
555 "use gnulib module realloc-posix for portability");
8912421c
LC		 556#endif
557
558#if @GNULIB_REALPATH@
559# if @REPLACE_REALPATH@
f4c79b3c
LC		 560# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
561# define realpath rpl_realpath
562# endif
563_GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
564 _GL_ARG_NONNULL ((1)));
565_GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
566# else
567# if !@HAVE_REALPATH@
568_GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
569 _GL_ARG_NONNULL ((1)));
570# endif
571_GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
8912421c 572# endif
f4c79b3c 573_GL_CXXALIASWARN (realpath);
8912421c
LC		 574#elif defined GNULIB_POSIXCHECK
575# undef realpath
61cd9dc9
LC		 576# if HAVE_RAW_DECL_REALPATH
577_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
578 "canonicalize or canonicalize-lgpl for portability");
579# endif
8912421c 580#endif
f240aacb
LC		 581
582#if @GNULIB_RPMATCH@
f240aacb
LC		 583/* Test a user response to a question.
584 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
f4c79b3c
LC		 585# if !@HAVE_RPMATCH@
586_GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
f240aacb 587# endif
f4c79b3c
LC		 588_GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
589_GL_CXXALIASWARN (rpmatch);
f240aacb
LC		 590#elif defined GNULIB_POSIXCHECK
591# undef rpmatch
61cd9dc9
LC		 592# if HAVE_RAW_DECL_RPMATCH
593_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
594 "use gnulib module rpmatch for portability");
595# endif
f240aacb
LC		 596#endif
597
f240aacb 598#if @GNULIB_SETENV@
f240aacb
LC		 599/* Set NAME to VALUE in the environment.
600 If REPLACE is nonzero, overwrite an existing value. */
f4c79b3c
LC		 601# if @REPLACE_SETENV@
602# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
603# undef setenv
604# define setenv rpl_setenv
605# endif
606_GL_FUNCDECL_RPL (setenv, int,
607 (const char *name, const char *value, int replace)
608 _GL_ARG_NONNULL ((1)));
609_GL_CXXALIAS_RPL (setenv, int,
610 (const char *name, const char *value, int replace));
611# else
ab4d62ad 612# if !@HAVE_DECL_SETENV@
f4c79b3c
LC		 613_GL_FUNCDECL_SYS (setenv, int,
614 (const char *name, const char *value, int replace)
615 _GL_ARG_NONNULL ((1)));
616# endif
617_GL_CXXALIAS_SYS (setenv, int,
618 (const char *name, const char *value, int replace));
f240aacb 619# endif
ab4d62ad 620# if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
f4c79b3c 621_GL_CXXALIASWARN (setenv);
ab4d62ad 622# endif
4f02b98d
LC		 623#elif defined GNULIB_POSIXCHECK
624# undef setenv
61cd9dc9
LC		 625# if HAVE_RAW_DECL_SETENV
626_GL_WARN_ON_USE (setenv, "setenv is unportable - "
627 "use gnulib module setenv for portability");
628# endif
f240aacb
LC		 629#endif
630
f240aacb 631#if @GNULIB_STRTOD@
f240aacb 632 /* Parse a double from STRING, updating ENDP if appropriate. */
f4c79b3c
LC		 633# if @REPLACE_STRTOD@
634# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
635# define strtod rpl_strtod
636# endif
637_GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
638 _GL_ARG_NONNULL ((1)));
639_GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
640# else
641# if !@HAVE_STRTOD@
642_GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
643 _GL_ARG_NONNULL ((1)));
644# endif
645_GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
f240aacb 646# endif
f4c79b3c 647_GL_CXXALIASWARN (strtod);
f240aacb
LC		 648#elif defined GNULIB_POSIXCHECK
649# undef strtod
61cd9dc9
LC		 650# if HAVE_RAW_DECL_STRTOD
651_GL_WARN_ON_USE (strtod, "strtod is unportable - "
652 "use gnulib module strtod for portability");
653# endif
f240aacb
LC		 654#endif
655
f240aacb 656#if @GNULIB_STRTOLL@
f240aacb
LC		 657/* Parse a signed integer whose textual representation starts at STRING.
658 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
659 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
660 "0x").
661 If ENDPTR is not NULL, the address of the first byte after the integer is
662 stored in *ENDPTR.
663 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
664 to ERANGE. */
f4c79b3c
LC		 665# if !@HAVE_STRTOLL@
666_GL_FUNCDECL_SYS (strtoll, long long,
667 (const char *string, char **endptr, int base)
668 _GL_ARG_NONNULL ((1)));
f240aacb 669# endif
f4c79b3c
LC		 670_GL_CXXALIAS_SYS (strtoll, long long,
671 (const char *string, char **endptr, int base));
672_GL_CXXALIASWARN (strtoll);
f240aacb
LC		 673#elif defined GNULIB_POSIXCHECK
674# undef strtoll
61cd9dc9
LC		 675# if HAVE_RAW_DECL_STRTOLL
676_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
677 "use gnulib module strtoll for portability");
678# endif
f240aacb
LC		 679#endif
680
f240aacb 681#if @GNULIB_STRTOULL@
f240aacb
LC		 682/* Parse an unsigned integer whose textual representation starts at STRING.
683 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
684 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
685 "0x").
686 If ENDPTR is not NULL, the address of the first byte after the integer is
687 stored in *ENDPTR.
688 Upon overflow, the return value is ULLONG_MAX, and errno is set to
689 ERANGE. */
f4c79b3c
LC		 690# if !@HAVE_STRTOULL@
691_GL_FUNCDECL_SYS (strtoull, unsigned long long,
692 (const char *string, char **endptr, int base)
693 _GL_ARG_NONNULL ((1)));
f240aacb 694# endif
f4c79b3c
LC		 695_GL_CXXALIAS_SYS (strtoull, unsigned long long,
696 (const char *string, char **endptr, int base));
697_GL_CXXALIASWARN (strtoull);
f240aacb
LC		 698#elif defined GNULIB_POSIXCHECK
699# undef strtoull
61cd9dc9
LC		 700# if HAVE_RAW_DECL_STRTOULL
701_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
702 "use gnulib module strtoull for portability");
703# endif
f240aacb
LC		 704#endif
705
a927b6c1
LC		 706#if @GNULIB_UNLOCKPT@
707/* Unlock the slave side of the pseudo-terminal whose master side is specified
708 by FD, so that it can be opened. */
709# if !@HAVE_UNLOCKPT@
710_GL_FUNCDECL_SYS (unlockpt, int, (int fd));
711# endif
712_GL_CXXALIAS_SYS (unlockpt, int, (int fd));
713_GL_CXXALIASWARN (unlockpt);
714#elif defined GNULIB_POSIXCHECK
715# undef unlockpt
716# if HAVE_RAW_DECL_UNLOCKPT
0f00f2c3 717_GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
a927b6c1
LC		 718 "use gnulib module unlockpt for portability");
719# endif
720#endif
721
8912421c 722#if @GNULIB_UNSETENV@
8912421c 723/* Remove the variable NAME from the environment. */
f4c79b3c
LC		 724# if @REPLACE_UNSETENV@
725# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
726# undef unsetenv
727# define unsetenv rpl_unsetenv
728# endif
729_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
730_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
731# else
ab4d62ad 732# if !@HAVE_DECL_UNSETENV@
f4c79b3c
LC		 733_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
734# endif
735_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
8912421c 736# endif
ab4d62ad 737# if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
f4c79b3c 738_GL_CXXALIASWARN (unsetenv);
ab4d62ad 739# endif
4f02b98d
LC		 740#elif defined GNULIB_POSIXCHECK
741# undef unsetenv
61cd9dc9
LC		 742# if HAVE_RAW_DECL_UNSETENV
743_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
744 "use gnulib module unsetenv for portability");
745# endif
8912421c 746#endif
f240aacb 747
dd36ce77
MW		 748/* Convert a wide character to a multibyte character. */
749#if @GNULIB_WCTOMB@
750# if @REPLACE_WCTOMB@
751# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
752# undef wctomb
753# define wctomb rpl_wctomb
754# endif
755_GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
756_GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
757# else
758_GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
759# endif
760_GL_CXXALIASWARN (wctomb);
761#endif
762
f240aacb 763
3d458a81
AW		 764#endif /* _@GUARD_PREFIX@_STDLIB_H */
765#endif /* _@GUARD_PREFIX@_STDLIB_H */
f240aacb 766#endif
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