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stdlib.in.h
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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 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 @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 
31 #ifndef _@GUARD_PREFIX@_STDLIB_H
32 
33 /* The include_next requires a split double-inclusion guard. */
34 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
35 
36 #ifndef _@GUARD_PREFIX@_STDLIB_H
37 #define _@GUARD_PREFIX@_STDLIB_H
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
69 struct 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 
84 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
85 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
86 /* On MacOS X 10.5, only <unistd.h> declares mkstemps. */
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 
92 /* The definition of _Noreturn is copied here. */
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@
119 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
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 (grantpt, "grantpt is not portable - "
251  "use gnulib module grantpt for portability");
252 # endif
253 #endif
254 
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. */
259 #if @GNULIB_MALLOC_POSIX@
260 # if @REPLACE_MALLOC@
261 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
262  || _GL_USE_STDLIB_ALLOC)
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
272 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
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 
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 
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_POSIX_OPENPT@
427 /* Return an FD open to the master side of a pseudo-terminal. Flags should
428  include O_RDWR, and may also include O_NOCTTY. */
429 # if !@HAVE_POSIX_OPENPT@
430 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
431 # endif
432 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
433 _GL_CXXALIASWARN (posix_openpt);
434 #elif defined GNULIB_POSIXCHECK
435 # undef posix_openpt
436 # if HAVE_RAW_DECL_POSIX_OPENPT
437 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
438  "use gnulib module posix_openpt for portability");
439 # endif
440 #endif
441 
442 #if @GNULIB_PTSNAME@
443 /* Return the pathname of the pseudo-terminal slave associated with
444  the master FD is open on, or NULL on errors. */
445 # if !@HAVE_PTSNAME@
446 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
447 # endif
448 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
449 _GL_CXXALIASWARN (ptsname);
450 #elif defined GNULIB_POSIXCHECK
451 # undef ptsname
452 # if HAVE_RAW_DECL_PTSNAME
453 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
454  "use gnulib module ptsname for portability");
455 # endif
456 #endif
457 
458 #if @GNULIB_PTSNAME_R@
459 /* Set the pathname of the pseudo-terminal slave associated with
460  the master FD is open on and return 0, or set errno and return
461  non-zero on errors. */
462 # if @REPLACE_PTSNAME_R@
463 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
464 # undef ptsname_r
465 # define ptsname_r rpl_ptsname_r
466 # endif
467 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
468 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
469 # else
470 # if !@HAVE_PTSNAME_R@
471 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
472 # endif
473 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
474 # endif
475 _GL_CXXALIASWARN (ptsname_r);
476 #elif defined GNULIB_POSIXCHECK
477 # undef ptsname_r
478 # if HAVE_RAW_DECL_PTSNAME_R
479 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
480  "use gnulib module ptsname_r for portability");
481 # endif
482 #endif
483 
484 #if @GNULIB_PUTENV@
485 # if @REPLACE_PUTENV@
486 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
487 # undef putenv
488 # define putenv rpl_putenv
489 # endif
490 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
491 _GL_CXXALIAS_RPL (putenv, int, (char *string));
492 # else
493 _GL_CXXALIAS_SYS (putenv, int, (char *string));
494 # endif
495 _GL_CXXALIASWARN (putenv);
496 #endif
497 
498 
499 #if @GNULIB_RANDOM_R@
500 # if !@HAVE_RANDOM_R@
501 # ifndef RAND_MAX
502 # define RAND_MAX 2147483647
503 # endif
504 # endif
505 #endif
506 
507 #if @GNULIB_RANDOM_R@
508 # if !@HAVE_RANDOM_R@
509 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
510  _GL_ARG_NONNULL ((1, 2)));
511 # endif
512 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
513 _GL_CXXALIASWARN (random_r);
514 #elif defined GNULIB_POSIXCHECK
515 # undef random_r
516 # if HAVE_RAW_DECL_RANDOM_R
517 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
518  "use gnulib module random_r for portability");
519 # endif
520 #endif
521 
522 #if @GNULIB_RANDOM_R@
523 # if !@HAVE_RANDOM_R@
524 _GL_FUNCDECL_SYS (srandom_r, int,
525  (unsigned int seed, struct random_data *rand_state)
526  _GL_ARG_NONNULL ((2)));
527 # endif
528 _GL_CXXALIAS_SYS (srandom_r, int,
529  (unsigned int seed, struct random_data *rand_state));
530 _GL_CXXALIASWARN (srandom_r);
531 #elif defined GNULIB_POSIXCHECK
532 # undef srandom_r
533 # if HAVE_RAW_DECL_SRANDOM_R
534 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
535  "use gnulib module random_r for portability");
536 # endif
537 #endif
538 
539 #if @GNULIB_RANDOM_R@
540 # if !@HAVE_RANDOM_R@
541 _GL_FUNCDECL_SYS (initstate_r, int,
542  (unsigned int seed, char *buf, size_t buf_size,
543  struct random_data *rand_state)
544  _GL_ARG_NONNULL ((2, 4)));
545 # endif
546 _GL_CXXALIAS_SYS (initstate_r, int,
547  (unsigned int seed, char *buf, size_t buf_size,
548  struct random_data *rand_state));
549 _GL_CXXALIASWARN (initstate_r);
550 #elif defined GNULIB_POSIXCHECK
551 # undef initstate_r
552 # if HAVE_RAW_DECL_INITSTATE_R
553 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
554  "use gnulib module random_r for portability");
555 # endif
556 #endif
557 
558 #if @GNULIB_RANDOM_R@
559 # if !@HAVE_RANDOM_R@
560 _GL_FUNCDECL_SYS (setstate_r, int,
561  (char *arg_state, struct random_data *rand_state)
562  _GL_ARG_NONNULL ((1, 2)));
563 # endif
564 _GL_CXXALIAS_SYS (setstate_r, int,
565  (char *arg_state, struct random_data *rand_state));
566 _GL_CXXALIASWARN (setstate_r);
567 #elif defined GNULIB_POSIXCHECK
568 # undef setstate_r
569 # if HAVE_RAW_DECL_SETSTATE_R
570 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
571  "use gnulib module random_r for portability");
572 # endif
573 #endif
574 
575 
576 #if @GNULIB_REALLOC_POSIX@
577 # if @REPLACE_REALLOC@
578 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
579  || _GL_USE_STDLIB_ALLOC)
580 # undef realloc
581 # define realloc rpl_realloc
582 # endif
583 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
584 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
585 # else
586 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
587 # endif
588 _GL_CXXALIASWARN (realloc);
589 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
590 # undef realloc
591 /* Assume realloc is always declared. */
592 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
593  "use gnulib module realloc-posix for portability");
594 #endif
595 
596 #if @GNULIB_REALPATH@
597 # if @REPLACE_REALPATH@
598 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
599 # define realpath rpl_realpath
600 # endif
601 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
602  _GL_ARG_NONNULL ((1)));
603 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
604 # else
605 # if !@HAVE_REALPATH@
606 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
607  _GL_ARG_NONNULL ((1)));
608 # endif
609 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
610 # endif
611 _GL_CXXALIASWARN (realpath);
612 #elif defined GNULIB_POSIXCHECK
613 # undef realpath
614 # if HAVE_RAW_DECL_REALPATH
615 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
616  "canonicalize or canonicalize-lgpl for portability");
617 # endif
618 #endif
619 
620 #if @GNULIB_RPMATCH@
621 /* Test a user response to a question.
622  Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
623 # if !@HAVE_RPMATCH@
624 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
625 # endif
626 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
627 _GL_CXXALIASWARN (rpmatch);
628 #elif defined GNULIB_POSIXCHECK
629 # undef rpmatch
630 # if HAVE_RAW_DECL_RPMATCH
631 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
632  "use gnulib module rpmatch for portability");
633 # endif
634 #endif
635 
636 #if @GNULIB_SETENV@
637 /* Set NAME to VALUE in the environment.
638  If REPLACE is nonzero, overwrite an existing value. */
639 # if @REPLACE_SETENV@
640 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
641 # undef setenv
642 # define setenv rpl_setenv
643 # endif
644 _GL_FUNCDECL_RPL (setenv, int,
645  (const char *name, const char *value, int replace)
646  _GL_ARG_NONNULL ((1)));
647 _GL_CXXALIAS_RPL (setenv, int,
648  (const char *name, const char *value, int replace));
649 # else
650 # if !@HAVE_DECL_SETENV@
651 _GL_FUNCDECL_SYS (setenv, int,
652  (const char *name, const char *value, int replace)
653  _GL_ARG_NONNULL ((1)));
654 # endif
655 _GL_CXXALIAS_SYS (setenv, int,
656  (const char *name, const char *value, int replace));
657 # endif
658 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
659 _GL_CXXALIASWARN (setenv);
660 # endif
661 #elif defined GNULIB_POSIXCHECK
662 # undef setenv
663 # if HAVE_RAW_DECL_SETENV
664 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
665  "use gnulib module setenv for portability");
666 # endif
667 #endif
668 
669 #if @GNULIB_STRTOD@
670  /* Parse a double from STRING, updating ENDP if appropriate. */
671 # if @REPLACE_STRTOD@
672 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
673 # define strtod rpl_strtod
674 # endif
675 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
676  _GL_ARG_NONNULL ((1)));
677 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
678 # else
679 # if !@HAVE_STRTOD@
680 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
681  _GL_ARG_NONNULL ((1)));
682 # endif
683 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
684 # endif
685 _GL_CXXALIASWARN (strtod);
686 #elif defined GNULIB_POSIXCHECK
687 # undef strtod
688 # if HAVE_RAW_DECL_STRTOD
689 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
690  "use gnulib module strtod for portability");
691 # endif
692 #endif
693 
694 #if @GNULIB_STRTOLL@
695 /* Parse a signed integer whose textual representation starts at STRING.
696  The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
697  it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
698  "0x").
699  If ENDPTR is not NULL, the address of the first byte after the integer is
700  stored in *ENDPTR.
701  Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
702  to ERANGE. */
703 # if !@HAVE_STRTOLL@
704 _GL_FUNCDECL_SYS (strtoll, long long,
705  (const char *string, char **endptr, int base)
706  _GL_ARG_NONNULL ((1)));
707 # endif
708 _GL_CXXALIAS_SYS (strtoll, long long,
709  (const char *string, char **endptr, int base));
710 _GL_CXXALIASWARN (strtoll);
711 #elif defined GNULIB_POSIXCHECK
712 # undef strtoll
713 # if HAVE_RAW_DECL_STRTOLL
714 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
715  "use gnulib module strtoll for portability");
716 # endif
717 #endif
718 
719 #if @GNULIB_STRTOULL@
720 /* Parse an unsigned integer whose textual representation starts at STRING.
721  The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
722  it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
723  "0x").
724  If ENDPTR is not NULL, the address of the first byte after the integer is
725  stored in *ENDPTR.
726  Upon overflow, the return value is ULLONG_MAX, and errno is set to
727  ERANGE. */
728 # if !@HAVE_STRTOULL@
729 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
730  (const char *string, char **endptr, int base)
731  _GL_ARG_NONNULL ((1)));
732 # endif
733 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
734  (const char *string, char **endptr, int base));
735 _GL_CXXALIASWARN (strtoull);
736 #elif defined GNULIB_POSIXCHECK
737 # undef strtoull
738 # if HAVE_RAW_DECL_STRTOULL
739 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
740  "use gnulib module strtoull for portability");
741 # endif
742 #endif
743 
744 #if @GNULIB_UNLOCKPT@
745 /* Unlock the slave side of the pseudo-terminal whose master side is specified
746  by FD, so that it can be opened. */
747 # if !@HAVE_UNLOCKPT@
748 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
749 # endif
750 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
751 _GL_CXXALIASWARN (unlockpt);
752 #elif defined GNULIB_POSIXCHECK
753 # undef unlockpt
754 # if HAVE_RAW_DECL_UNLOCKPT
755 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
756  "use gnulib module unlockpt for portability");
757 # endif
758 #endif
759 
760 #if @GNULIB_UNSETENV@
761 /* Remove the variable NAME from the environment. */
762 # if @REPLACE_UNSETENV@
763 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
764 # undef unsetenv
765 # define unsetenv rpl_unsetenv
766 # endif
767 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
768 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
769 # else
770 # if !@HAVE_DECL_UNSETENV@
771 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
772 # endif
773 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
774 # endif
775 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
776 _GL_CXXALIASWARN (unsetenv);
777 # endif
778 #elif defined GNULIB_POSIXCHECK
779 # undef unsetenv
780 # if HAVE_RAW_DECL_UNSETENV
781 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
782  "use gnulib module unsetenv for portability");
783 # endif
784 #endif
785 
786 /* Convert a wide character to a multibyte character. */
787 #if @GNULIB_WCTOMB@
788 # if @REPLACE_WCTOMB@
789 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
790 # undef wctomb
791 # define wctomb rpl_wctomb
792 # endif
793 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
794 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
795 # else
796 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
797 # endif
798 _GL_CXXALIASWARN (wctomb);
799 #endif
800 
801 
802 #endif /* _@GUARD_PREFIX@_STDLIB_H */
803 #endif /* _@GUARD_PREFIX@_STDLIB_H */
804 #endif
bdt base
Current expression.
Definition: bdt_read_paf.c:100
static int wc
FI: Provisional management of warnings.
void * malloc(YYSIZE_T)
#define _Noreturn
Definition: _Noreturn.h:8
#define _GL_ARG_NONNULL(params)
A C macro for declaring that specific arguments must not be NULL.
Definition: arg-nonnull.h:24
#define _GL_CXXALIAS_RPL(func, rettype, parameters)
_GL_CXXALIAS_RPL (func, rettype, parameters); declares a C++ alias called GNULIB_NAMESPACE::func that...
Definition: cPPdefs.h:115
#define _GL_FUNCDECL_RPL(func, rettype, parameters_and_attributes)
_GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); declares a replacement function,...
Definition: cPPdefs.h:94
#define _GL_CXXALIASWARN(func)
_GL_CXXALIASWARN (func); causes a warning to be emitted when ::func is used but not when GNULIB_NAMES...
Definition: cPPdefs.h:239
#define _GL_CXXALIAS_SYS(func, rettype, parameters)
_GL_CXXALIAS_SYS (func, rettype, parameters); declares a C++ alias called GNULIB_NAMESPACE::func that...
Definition: cPPdefs.h:168
#define _GL_FUNCDECL_SYS(func, rettype, parameters_and_attributes)
_GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); declares the system function,...
Definition: cPPdefs.h:106
#define _GL_WARN_ON_USE(function, message)
A C macro for emitting warnings if a function is used.
Definition: warn-on-use.h:75
static char buf[BSZ]
Definition: split_file.c:157
#define int32_t
Definition: stdint.in.h:155