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stdlib.in.h
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1 /* A GNU-like <stdlib.h>.
2 
3  Copyright (C) 1995, 2001-2004, 2006-2014 Free Software Foundation, Inc.
4 
5  This program is free software: you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; either version 3 of the License, or
8  (at your option) any later version.
9 
10  This program is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU General Public License for more details.
14 
15  You should have received a copy of the GNU General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 
18 #if __GNUC__ >= 3
19 @PRAGMA_SYSTEM_HEADER@
20 #endif
21 @PRAGMA_COLUMNS@
22 
23 #if defined __need_system_stdlib_h || defined __need_malloc_and_calloc
24 /* Special invocation conventions inside some gnulib header files,
25  and inside some glibc header files, respectively. */
26 
27 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
28 
29 #else
30 /* Normal invocation convention. */
31 
32 #ifndef _@GUARD_PREFIX@_STDLIB_H
33 
34 /* The include_next requires a split double-inclusion guard. */
35 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
36 
37 #ifndef _@GUARD_PREFIX@_STDLIB_H
38 #define _@GUARD_PREFIX@_STDLIB_H
39 
40 /* NetBSD 5.0 mis-defines NULL. */
41 #include <stddef.h>
42 
43 /* MirBSD 10 defines WEXITSTATUS in <sys/wait.h>, not in <stdlib.h>. */
44 #if @GNULIB_SYSTEM_POSIX@ && !defined WEXITSTATUS
45 # include <sys/wait.h>
46 #endif
47 
48 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
49 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
50 # include <sys/loadavg.h>
51 #endif
52 
53 /* Native Windows platforms declare mktemp() in <io.h>. */
54 #if 0 && ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
55 # include <io.h>
56 #endif
57 
58 #if @GNULIB_RANDOM_R@
59 
60 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
61  from <stdlib.h> if _REENTRANT is defined. Include it whenever we need
62  'struct random_data'. */
63 # if @HAVE_RANDOM_H@
64 # include <random.h>
65 # endif
66 
67 # if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
68 # include <stdint.h>
69 # endif
70 
71 # if !@HAVE_STRUCT_RANDOM_DATA@
72 /* Define 'struct random_data'.
73  But allow multiple gnulib generated <stdlib.h> replacements to coexist. */
74 # if !GNULIB_defined_struct_random_data
75 struct random_data
76 {
77  int32_t *fptr; /* Front pointer. */
78  int32_t *rptr; /* Rear pointer. */
79  int32_t *state; /* Array of state values. */
80  int rand_type; /* Type of random number generator. */
81  int rand_deg; /* Degree of random number generator. */
82  int rand_sep; /* Distance between front and rear. */
83  int32_t *end_ptr; /* Pointer behind state table. */
84 };
85 # define GNULIB_defined_struct_random_data 1
86 # endif
87 # endif
88 #endif
89 
90 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
91 /* On Mac OS X 10.3, only <unistd.h> declares mkstemp. */
92 /* On Mac OS X 10.5, only <unistd.h> declares mkstemps. */
93 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
94 /* But avoid namespace pollution on glibc systems and native Windows. */
95 # include <unistd.h>
96 #endif
97 
98 /* The __attribute__ feature is available in gcc versions 2.5 and later.
99  The attribute __pure__ was added in gcc 2.96. */
100 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
101 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
102 #else
103 # define _GL_ATTRIBUTE_PURE /* empty */
104 #endif
105 
106 /* The definition of _Noreturn is copied here. */
107 
108 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
109 
110 /* The definition of _GL_ARG_NONNULL is copied here. */
111 
112 /* The definition of _GL_WARN_ON_USE is copied here. */
113 
114 
115 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
116 #ifndef EXIT_SUCCESS
117 # define EXIT_SUCCESS 0
118 #endif
119 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
120  with proper operation of xargs. */
121 #ifndef EXIT_FAILURE
122 # define EXIT_FAILURE 1
123 #elif EXIT_FAILURE != 1
124 # undef EXIT_FAILURE
125 # define EXIT_FAILURE 1
126 #endif
127 
128 
129 #if @GNULIB__EXIT@
130 /* Terminate the current process with the given return code, without running
131  the 'atexit' handlers. */
132 # if !@HAVE__EXIT@
133 _GL_FUNCDECL_SYS (_Exit, _Noreturn void, (int status));
134 # endif
135 _GL_CXXALIAS_SYS (_Exit, void, (int status));
136 _GL_CXXALIASWARN (_Exit);
137 #elif defined GNULIB_POSIXCHECK
138 # undef _Exit
139 # if HAVE_RAW_DECL__EXIT
140 _GL_WARN_ON_USE (_Exit, "_Exit is unportable - "
141  "use gnulib module _Exit for portability");
142 # endif
143 #endif
144 
145 
146 #if @GNULIB_ATOLL@
147 /* Parse a signed decimal integer.
148  Returns the value of the integer. Errors are not detected. */
149 # if !@HAVE_ATOLL@
150 _GL_FUNCDECL_SYS (atoll, long long, (const char *string)
152  _GL_ARG_NONNULL ((1)));
153 # endif
154 _GL_CXXALIAS_SYS (atoll, long long, (const char *string));
155 _GL_CXXALIASWARN (atoll);
156 #elif defined GNULIB_POSIXCHECK
157 # undef atoll
158 # if HAVE_RAW_DECL_ATOLL
159 _GL_WARN_ON_USE (atoll, "atoll is unportable - "
160  "use gnulib module atoll for portability");
161 # endif
162 #endif
163 
164 #if @GNULIB_CALLOC_POSIX@
165 # if @REPLACE_CALLOC@
166 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
167 # undef calloc
168 # define calloc rpl_calloc
169 # endif
170 _GL_FUNCDECL_RPL (calloc, void *, (size_t nmemb, size_t size));
171 _GL_CXXALIAS_RPL (calloc, void *, (size_t nmemb, size_t size));
172 # else
173 _GL_CXXALIAS_SYS (calloc, void *, (size_t nmemb, size_t size));
174 # endif
175 _GL_CXXALIASWARN (calloc);
176 #elif defined GNULIB_POSIXCHECK
177 # undef calloc
178 /* Assume calloc is always declared. */
179 _GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
180  "use gnulib module calloc-posix for portability");
181 #endif
182 
183 #if @GNULIB_CANONICALIZE_FILE_NAME@
184 # if @REPLACE_CANONICALIZE_FILE_NAME@
185 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
186 # define canonicalize_file_name rpl_canonicalize_file_name
187 # endif
188 _GL_FUNCDECL_RPL (canonicalize_file_name, char *, (const char *name)
189  _GL_ARG_NONNULL ((1)));
190 _GL_CXXALIAS_RPL (canonicalize_file_name, char *, (const char *name));
191 # else
192 # if !@HAVE_CANONICALIZE_FILE_NAME@
193 _GL_FUNCDECL_SYS (canonicalize_file_name, char *, (const char *name)
194  _GL_ARG_NONNULL ((1)));
195 # endif
196 _GL_CXXALIAS_SYS (canonicalize_file_name, char *, (const char *name));
197 # endif
198 _GL_CXXALIASWARN (canonicalize_file_name);
199 #elif defined GNULIB_POSIXCHECK
200 # undef canonicalize_file_name
201 # if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
202 _GL_WARN_ON_USE (canonicalize_file_name,
203  "canonicalize_file_name is unportable - "
204  "use gnulib module canonicalize-lgpl for portability");
205 # endif
206 #endif
207 
208 #if @GNULIB_GETLOADAVG@
209 /* Store max(NELEM,3) load average numbers in LOADAVG[].
210  The three numbers are the load average of the last 1 minute, the last 5
211  minutes, and the last 15 minutes, respectively.
212  LOADAVG is an array of NELEM numbers. */
213 # if !@HAVE_DECL_GETLOADAVG@
214 _GL_FUNCDECL_SYS (getloadavg, int, (double loadavg[], int nelem)
215  _GL_ARG_NONNULL ((1)));
216 # endif
217 _GL_CXXALIAS_SYS (getloadavg, int, (double loadavg[], int nelem));
218 _GL_CXXALIASWARN (getloadavg);
219 #elif defined GNULIB_POSIXCHECK
220 # undef getloadavg
221 # if HAVE_RAW_DECL_GETLOADAVG
222 _GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
223  "use gnulib module getloadavg for portability");
224 # endif
225 #endif
226 
227 #if @GNULIB_GETSUBOPT@
228 /* Assuming *OPTIONP is a comma separated list of elements of the form
229  "token" or "token=value", getsubopt parses the first of these elements.
230  If the first element refers to a "token" that is member of the given
231  NULL-terminated array of tokens:
232  - It replaces the comma with a NUL byte, updates *OPTIONP to point past
233  the first option and the comma, sets *VALUEP to the value of the
234  element (or NULL if it doesn't contain an "=" sign),
235  - It returns the index of the "token" in the given array of tokens.
236  Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
237  For more details see the POSIX:2001 specification.
238  http://www.opengroup.org/susv3xsh/getsubopt.html */
239 # if !@HAVE_GETSUBOPT@
240 _GL_FUNCDECL_SYS (getsubopt, int,
241  (char **optionp, char *const *tokens, char **valuep)
242  _GL_ARG_NONNULL ((1, 2, 3)));
243 # endif
244 _GL_CXXALIAS_SYS (getsubopt, int,
245  (char **optionp, char *const *tokens, char **valuep));
246 _GL_CXXALIASWARN (getsubopt);
247 #elif defined GNULIB_POSIXCHECK
248 # undef getsubopt
249 # if HAVE_RAW_DECL_GETSUBOPT
250 _GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
251  "use gnulib module getsubopt for portability");
252 # endif
253 #endif
254 
255 #if @GNULIB_GRANTPT@
256 /* Change the ownership and access permission of the slave side of the
257  pseudo-terminal whose master side is specified by FD. */
258 # if !@HAVE_GRANTPT@
259 _GL_FUNCDECL_SYS (grantpt, int, (int fd));
260 # endif
261 _GL_CXXALIAS_SYS (grantpt, int, (int fd));
262 _GL_CXXALIASWARN (grantpt);
263 #elif defined GNULIB_POSIXCHECK
264 # undef grantpt
265 # if HAVE_RAW_DECL_GRANTPT
266 _GL_WARN_ON_USE (grantpt, "grantpt is not portable - "
267  "use gnulib module grantpt for portability");
268 # endif
269 #endif
270 
271 /* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
272  rely on GNU or POSIX semantics for malloc and realloc (for example,
273  by never specifying a zero size), so it does not need malloc or
274  realloc to be redefined. */
275 #if @GNULIB_MALLOC_POSIX@
276 # if @REPLACE_MALLOC@
277 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
278  || _GL_USE_STDLIB_ALLOC)
279 # undef malloc
280 # define malloc rpl_malloc
281 # endif
282 _GL_FUNCDECL_RPL (malloc, void *, (size_t size));
283 _GL_CXXALIAS_RPL (malloc, void *, (size_t size));
284 # else
285 _GL_CXXALIAS_SYS (malloc, void *, (size_t size));
286 # endif
288 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
289 # undef malloc
290 /* Assume malloc is always declared. */
291 _GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
292  "use gnulib module malloc-posix for portability");
293 #endif
294 
295 /* Convert a multibyte character to a wide character. */
296 #if @GNULIB_MBTOWC@
297 # if @REPLACE_MBTOWC@
298 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
299 # undef mbtowc
300 # define mbtowc rpl_mbtowc
301 # endif
302 _GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
303 _GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
304 # else
305 _GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
306 # endif
307 _GL_CXXALIASWARN (mbtowc);
308 #endif
309 
310 #if @GNULIB_MKDTEMP@
311 /* Create a unique temporary directory from TEMPLATE.
312  The last six characters of TEMPLATE must be "XXXXXX";
313  they are replaced with a string that makes the directory name unique.
314  Returns TEMPLATE, or a null pointer if it cannot get a unique name.
315  The directory is created mode 700. */
316 # if !@HAVE_MKDTEMP@
317 _GL_FUNCDECL_SYS (mkdtemp, char *, (char * /*template*/) _GL_ARG_NONNULL ((1)));
318 # endif
319 _GL_CXXALIAS_SYS (mkdtemp, char *, (char * /*template*/));
320 _GL_CXXALIASWARN (mkdtemp);
321 #elif defined GNULIB_POSIXCHECK
322 # undef mkdtemp
323 # if HAVE_RAW_DECL_MKDTEMP
324 _GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
325  "use gnulib module mkdtemp for portability");
326 # endif
327 #endif
328 
329 #if @GNULIB_MKOSTEMP@
330 /* Create a unique temporary file from TEMPLATE.
331  The last six characters of TEMPLATE must be "XXXXXX";
332  they are replaced with a string that makes the file name unique.
333  The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
334  and O_TEXT, O_BINARY (defined in "binary-io.h").
335  The file is then created, with the specified flags, ensuring it didn't exist
336  before.
337  The file is created read-write (mask at least 0600 & ~umask), but it may be
338  world-readable and world-writable (mask 0666 & ~umask), depending on the
339  implementation.
340  Returns the open file descriptor if successful, otherwise -1 and errno
341  set. */
342 # if !@HAVE_MKOSTEMP@
343 _GL_FUNCDECL_SYS (mkostemp, int, (char * /*template*/, int /*flags*/)
344  _GL_ARG_NONNULL ((1)));
345 # endif
346 _GL_CXXALIAS_SYS (mkostemp, int, (char * /*template*/, int /*flags*/));
347 _GL_CXXALIASWARN (mkostemp);
348 #elif defined GNULIB_POSIXCHECK
349 # undef mkostemp
350 # if HAVE_RAW_DECL_MKOSTEMP
351 _GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
352  "use gnulib module mkostemp for portability");
353 # endif
354 #endif
355 
356 #if @GNULIB_MKOSTEMPS@
357 /* Create a unique temporary file from TEMPLATE.
358  The last six characters of TEMPLATE before a suffix of length
359  SUFFIXLEN must be "XXXXXX";
360  they are replaced with a string that makes the file name unique.
361  The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
362  and O_TEXT, O_BINARY (defined in "binary-io.h").
363  The file is then created, with the specified flags, ensuring it didn't exist
364  before.
365  The file is created read-write (mask at least 0600 & ~umask), but it may be
366  world-readable and world-writable (mask 0666 & ~umask), depending on the
367  implementation.
368  Returns the open file descriptor if successful, otherwise -1 and errno
369  set. */
370 # if !@HAVE_MKOSTEMPS@
371 _GL_FUNCDECL_SYS (mkostemps, int,
372  (char * /*template*/, int /*suffixlen*/, int /*flags*/)
373  _GL_ARG_NONNULL ((1)));
374 # endif
375 _GL_CXXALIAS_SYS (mkostemps, int,
376  (char * /*template*/, int /*suffixlen*/, int /*flags*/));
377 _GL_CXXALIASWARN (mkostemps);
378 #elif defined GNULIB_POSIXCHECK
379 # undef mkostemps
380 # if HAVE_RAW_DECL_MKOSTEMPS
381 _GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
382  "use gnulib module mkostemps for portability");
383 # endif
384 #endif
385 
386 #if @GNULIB_MKSTEMP@
387 /* Create a unique temporary file from TEMPLATE.
388  The last six characters of TEMPLATE must be "XXXXXX";
389  they are replaced with a string that makes the file name unique.
390  The file is then created, ensuring it didn't exist before.
391  The file is created read-write (mask at least 0600 & ~umask), but it may be
392  world-readable and world-writable (mask 0666 & ~umask), depending on the
393  implementation.
394  Returns the open file descriptor if successful, otherwise -1 and errno
395  set. */
396 # if @REPLACE_MKSTEMP@
397 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
398 # define mkstemp rpl_mkstemp
399 # endif
400 _GL_FUNCDECL_RPL (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
401 _GL_CXXALIAS_RPL (mkstemp, int, (char * /*template*/));
402 # else
403 # if ! @HAVE_MKSTEMP@
404 _GL_FUNCDECL_SYS (mkstemp, int, (char * /*template*/) _GL_ARG_NONNULL ((1)));
405 # endif
406 _GL_CXXALIAS_SYS (mkstemp, int, (char * /*template*/));
407 # endif
408 _GL_CXXALIASWARN (mkstemp);
409 #elif defined GNULIB_POSIXCHECK
410 # undef mkstemp
411 # if HAVE_RAW_DECL_MKSTEMP
412 _GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
413  "use gnulib module mkstemp for portability");
414 # endif
415 #endif
416 
417 #if @GNULIB_MKSTEMPS@
418 /* Create a unique temporary file from TEMPLATE.
419  The last six characters of TEMPLATE prior to a suffix of length
420  SUFFIXLEN must be "XXXXXX";
421  they are replaced with a string that makes the file name unique.
422  The file is then created, ensuring it didn't exist before.
423  The file is created read-write (mask at least 0600 & ~umask), but it may be
424  world-readable and world-writable (mask 0666 & ~umask), depending on the
425  implementation.
426  Returns the open file descriptor if successful, otherwise -1 and errno
427  set. */
428 # if !@HAVE_MKSTEMPS@
429 _GL_FUNCDECL_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/)
430  _GL_ARG_NONNULL ((1)));
431 # endif
432 _GL_CXXALIAS_SYS (mkstemps, int, (char * /*template*/, int /*suffixlen*/));
433 _GL_CXXALIASWARN (mkstemps);
434 #elif defined GNULIB_POSIXCHECK
435 # undef mkstemps
436 # if HAVE_RAW_DECL_MKSTEMPS
437 _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
438  "use gnulib module mkstemps for portability");
439 # endif
440 #endif
441 
442 #if @GNULIB_POSIX_OPENPT@
443 /* Return an FD open to the master side of a pseudo-terminal. Flags should
444  include O_RDWR, and may also include O_NOCTTY. */
445 # if !@HAVE_POSIX_OPENPT@
446 _GL_FUNCDECL_SYS (posix_openpt, int, (int flags));
447 # endif
448 _GL_CXXALIAS_SYS (posix_openpt, int, (int flags));
449 _GL_CXXALIASWARN (posix_openpt);
450 #elif defined GNULIB_POSIXCHECK
451 # undef posix_openpt
452 # if HAVE_RAW_DECL_POSIX_OPENPT
453 _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not portable - "
454  "use gnulib module posix_openpt for portability");
455 # endif
456 #endif
457 
458 #if @GNULIB_PTSNAME@
459 /* Return the pathname of the pseudo-terminal slave associated with
460  the master FD is open on, or NULL on errors. */
461 # if @REPLACE_PTSNAME@
462 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
463 # undef ptsname
464 # define ptsname rpl_ptsname
465 # endif
466 _GL_FUNCDECL_RPL (ptsname, char *, (int fd));
467 _GL_CXXALIAS_RPL (ptsname, char *, (int fd));
468 # else
469 # if !@HAVE_PTSNAME@
470 _GL_FUNCDECL_SYS (ptsname, char *, (int fd));
471 # endif
472 _GL_CXXALIAS_SYS (ptsname, char *, (int fd));
473 # endif
474 _GL_CXXALIASWARN (ptsname);
475 #elif defined GNULIB_POSIXCHECK
476 # undef ptsname
477 # if HAVE_RAW_DECL_PTSNAME
478 _GL_WARN_ON_USE (ptsname, "ptsname is not portable - "
479  "use gnulib module ptsname for portability");
480 # endif
481 #endif
482 
483 #if @GNULIB_PTSNAME_R@
484 /* Set the pathname of the pseudo-terminal slave associated with
485  the master FD is open on and return 0, or set errno and return
486  non-zero on errors. */
487 # if @REPLACE_PTSNAME_R@
488 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
489 # undef ptsname_r
490 # define ptsname_r rpl_ptsname_r
491 # endif
492 _GL_FUNCDECL_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
493 _GL_CXXALIAS_RPL (ptsname_r, int, (int fd, char *buf, size_t len));
494 # else
495 # if !@HAVE_PTSNAME_R@
496 _GL_FUNCDECL_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
497 # endif
498 _GL_CXXALIAS_SYS (ptsname_r, int, (int fd, char *buf, size_t len));
499 # endif
500 _GL_CXXALIASWARN (ptsname_r);
501 #elif defined GNULIB_POSIXCHECK
502 # undef ptsname_r
503 # if HAVE_RAW_DECL_PTSNAME_R
504 _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
505  "use gnulib module ptsname_r for portability");
506 # endif
507 #endif
508 
509 #if @GNULIB_PUTENV@
510 # if @REPLACE_PUTENV@
511 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
512 # undef putenv
513 # define putenv rpl_putenv
514 # endif
515 _GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
516 _GL_CXXALIAS_RPL (putenv, int, (char *string));
517 # else
518 _GL_CXXALIAS_SYS (putenv, int, (char *string));
519 # endif
520 _GL_CXXALIASWARN (putenv);
521 #endif
522 
523 
524 #if @GNULIB_RANDOM_R@
525 # if !@HAVE_RANDOM_R@
526 # ifndef RAND_MAX
527 # define RAND_MAX 2147483647
528 # endif
529 # endif
530 #endif
531 
532 
533 #if @GNULIB_RANDOM@
534 # if !@HAVE_RANDOM@
535 _GL_FUNCDECL_SYS (random, long, (void));
536 # endif
537 _GL_CXXALIAS_SYS (random, long, (void));
538 _GL_CXXALIASWARN (random);
539 #elif defined GNULIB_POSIXCHECK
540 # undef random
541 # if HAVE_RAW_DECL_RANDOM
542 _GL_WARN_ON_USE (random, "random is unportable - "
543  "use gnulib module random for portability");
544 # endif
545 #endif
546 
547 #if @GNULIB_RANDOM@
548 # if !@HAVE_RANDOM@
549 _GL_FUNCDECL_SYS (srandom, void, (unsigned int seed));
550 # endif
551 _GL_CXXALIAS_SYS (srandom, void, (unsigned int seed));
552 _GL_CXXALIASWARN (srandom);
553 #elif defined GNULIB_POSIXCHECK
554 # undef srandom
555 # if HAVE_RAW_DECL_SRANDOM
556 _GL_WARN_ON_USE (srandom, "srandom is unportable - "
557  "use gnulib module random for portability");
558 # endif
559 #endif
560 
561 #if @GNULIB_RANDOM@
562 # if !@HAVE_RANDOM@
563 _GL_FUNCDECL_SYS (initstate, char *,
564  (unsigned int seed, char *buf, size_t buf_size)
565  _GL_ARG_NONNULL ((2)));
566 # endif
567 _GL_CXXALIAS_SYS (initstate, char *,
568  (unsigned int seed, char *buf, size_t buf_size));
569 _GL_CXXALIASWARN (initstate);
570 #elif defined GNULIB_POSIXCHECK
571 # undef initstate
572 # if HAVE_RAW_DECL_INITSTATE_R
573 _GL_WARN_ON_USE (initstate, "initstate is unportable - "
574  "use gnulib module random for portability");
575 # endif
576 #endif
577 
578 #if @GNULIB_RANDOM@
579 # if !@HAVE_RANDOM@
580 _GL_FUNCDECL_SYS (setstate, char *, (char *arg_state) _GL_ARG_NONNULL ((1)));
581 # endif
582 _GL_CXXALIAS_SYS (setstate, char *, (char *arg_state));
583 _GL_CXXALIASWARN (setstate);
584 #elif defined GNULIB_POSIXCHECK
585 # undef setstate
586 # if HAVE_RAW_DECL_SETSTATE_R
587 _GL_WARN_ON_USE (setstate, "setstate is unportable - "
588  "use gnulib module random for portability");
589 # endif
590 #endif
591 
592 
593 #if @GNULIB_RANDOM_R@
594 # if @REPLACE_RANDOM_R@
595 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
596 # undef random_r
597 # define random_r rpl_random_r
598 # endif
599 _GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
600  _GL_ARG_NONNULL ((1, 2)));
601 _GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
602 # else
603 # if !@HAVE_RANDOM_R@
604 _GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
605  _GL_ARG_NONNULL ((1, 2)));
606 # endif
607 _GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
608 # endif
609 _GL_CXXALIASWARN (random_r);
610 #elif defined GNULIB_POSIXCHECK
611 # undef random_r
612 # if HAVE_RAW_DECL_RANDOM_R
613 _GL_WARN_ON_USE (random_r, "random_r is unportable - "
614  "use gnulib module random_r for portability");
615 # endif
616 #endif
617 
618 #if @GNULIB_RANDOM_R@
619 # if @REPLACE_RANDOM_R@
620 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
621 # undef srandom_r
622 # define srandom_r rpl_srandom_r
623 # endif
624 _GL_FUNCDECL_RPL (srandom_r, int,
625  (unsigned int seed, struct random_data *rand_state)
626  _GL_ARG_NONNULL ((2)));
627 _GL_CXXALIAS_RPL (srandom_r, int,
628  (unsigned int seed, struct random_data *rand_state));
629 # else
630 # if !@HAVE_RANDOM_R@
631 _GL_FUNCDECL_SYS (srandom_r, int,
632  (unsigned int seed, struct random_data *rand_state)
633  _GL_ARG_NONNULL ((2)));
634 # endif
635 _GL_CXXALIAS_SYS (srandom_r, int,
636  (unsigned int seed, struct random_data *rand_state));
637 # endif
638 _GL_CXXALIASWARN (srandom_r);
639 #elif defined GNULIB_POSIXCHECK
640 # undef srandom_r
641 # if HAVE_RAW_DECL_SRANDOM_R
642 _GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
643  "use gnulib module random_r for portability");
644 # endif
645 #endif
646 
647 #if @GNULIB_RANDOM_R@
648 # if @REPLACE_RANDOM_R@
649 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
650 # undef initstate_r
651 # define initstate_r rpl_initstate_r
652 # endif
653 _GL_FUNCDECL_RPL (initstate_r, int,
654  (unsigned int seed, char *buf, size_t buf_size,
655  struct random_data *rand_state)
656  _GL_ARG_NONNULL ((2, 4)));
657 _GL_CXXALIAS_RPL (initstate_r, int,
658  (unsigned int seed, char *buf, size_t buf_size,
659  struct random_data *rand_state));
660 # else
661 # if !@HAVE_RANDOM_R@
662 _GL_FUNCDECL_SYS (initstate_r, int,
663  (unsigned int seed, char *buf, size_t buf_size,
664  struct random_data *rand_state)
665  _GL_ARG_NONNULL ((2, 4)));
666 # endif
667 _GL_CXXALIAS_SYS (initstate_r, int,
668  (unsigned int seed, char *buf, size_t buf_size,
669  struct random_data *rand_state));
670 # endif
671 _GL_CXXALIASWARN (initstate_r);
672 #elif defined GNULIB_POSIXCHECK
673 # undef initstate_r
674 # if HAVE_RAW_DECL_INITSTATE_R
675 _GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
676  "use gnulib module random_r for portability");
677 # endif
678 #endif
679 
680 #if @GNULIB_RANDOM_R@
681 # if @REPLACE_RANDOM_R@
682 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
683 # undef setstate_r
684 # define setstate_r rpl_setstate_r
685 # endif
686 _GL_FUNCDECL_RPL (setstate_r, int,
687  (char *arg_state, struct random_data *rand_state)
688  _GL_ARG_NONNULL ((1, 2)));
689 _GL_CXXALIAS_RPL (setstate_r, int,
690  (char *arg_state, struct random_data *rand_state));
691 # else
692 # if !@HAVE_RANDOM_R@
693 _GL_FUNCDECL_SYS (setstate_r, int,
694  (char *arg_state, struct random_data *rand_state)
695  _GL_ARG_NONNULL ((1, 2)));
696 # endif
697 _GL_CXXALIAS_SYS (setstate_r, int,
698  (char *arg_state, struct random_data *rand_state));
699 # endif
700 _GL_CXXALIASWARN (setstate_r);
701 #elif defined GNULIB_POSIXCHECK
702 # undef setstate_r
703 # if HAVE_RAW_DECL_SETSTATE_R
704 _GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
705  "use gnulib module random_r for portability");
706 # endif
707 #endif
708 
709 
710 #if @GNULIB_REALLOC_POSIX@
711 # if @REPLACE_REALLOC@
712 # if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
713  || _GL_USE_STDLIB_ALLOC)
714 # undef realloc
715 # define realloc rpl_realloc
716 # endif
717 _GL_FUNCDECL_RPL (realloc, void *, (void *ptr, size_t size));
718 _GL_CXXALIAS_RPL (realloc, void *, (void *ptr, size_t size));
719 # else
720 _GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
721 # endif
722 _GL_CXXALIASWARN (realloc);
723 #elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
724 # undef realloc
725 /* Assume realloc is always declared. */
726 _GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
727  "use gnulib module realloc-posix for portability");
728 #endif
729 
730 #if @GNULIB_REALPATH@
731 # if @REPLACE_REALPATH@
732 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
733 # define realpath rpl_realpath
734 # endif
735 _GL_FUNCDECL_RPL (realpath, char *, (const char *name, char *resolved)
736  _GL_ARG_NONNULL ((1)));
737 _GL_CXXALIAS_RPL (realpath, char *, (const char *name, char *resolved));
738 # else
739 # if !@HAVE_REALPATH@
740 _GL_FUNCDECL_SYS (realpath, char *, (const char *name, char *resolved)
741  _GL_ARG_NONNULL ((1)));
742 # endif
743 _GL_CXXALIAS_SYS (realpath, char *, (const char *name, char *resolved));
744 # endif
745 _GL_CXXALIASWARN (realpath);
746 #elif defined GNULIB_POSIXCHECK
747 # undef realpath
748 # if HAVE_RAW_DECL_REALPATH
749 _GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
750  "canonicalize or canonicalize-lgpl for portability");
751 # endif
752 #endif
753 
754 #if @GNULIB_RPMATCH@
755 /* Test a user response to a question.
756  Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
757 # if !@HAVE_RPMATCH@
758 _GL_FUNCDECL_SYS (rpmatch, int, (const char *response) _GL_ARG_NONNULL ((1)));
759 # endif
760 _GL_CXXALIAS_SYS (rpmatch, int, (const char *response));
761 _GL_CXXALIASWARN (rpmatch);
762 #elif defined GNULIB_POSIXCHECK
763 # undef rpmatch
764 # if HAVE_RAW_DECL_RPMATCH
765 _GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
766  "use gnulib module rpmatch for portability");
767 # endif
768 #endif
769 
770 #if @GNULIB_SECURE_GETENV@
771 /* Look up NAME in the environment, returning 0 in insecure situations. */
772 # if !@HAVE_SECURE_GETENV@
773 _GL_FUNCDECL_SYS (secure_getenv, char *,
774  (char const *name) _GL_ARG_NONNULL ((1)));
775 # endif
776 _GL_CXXALIAS_SYS (secure_getenv, char *, (char const *name));
777 _GL_CXXALIASWARN (secure_getenv);
778 #elif defined GNULIB_POSIXCHECK
779 # undef secure_getenv
780 # if HAVE_RAW_DECL_SECURE_GETENV
781 _GL_WARN_ON_USE (secure_getenv, "secure_getenv is unportable - "
782  "use gnulib module secure_getenv for portability");
783 # endif
784 #endif
785 
786 #if @GNULIB_SETENV@
787 /* Set NAME to VALUE in the environment.
788  If REPLACE is nonzero, overwrite an existing value. */
789 # if @REPLACE_SETENV@
790 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
791 # undef setenv
792 # define setenv rpl_setenv
793 # endif
794 _GL_FUNCDECL_RPL (setenv, int,
795  (const char *name, const char *value, int replace)
796  _GL_ARG_NONNULL ((1)));
797 _GL_CXXALIAS_RPL (setenv, int,
798  (const char *name, const char *value, int replace));
799 # else
800 # if !@HAVE_DECL_SETENV@
801 _GL_FUNCDECL_SYS (setenv, int,
802  (const char *name, const char *value, int replace)
803  _GL_ARG_NONNULL ((1)));
804 # endif
805 _GL_CXXALIAS_SYS (setenv, int,
806  (const char *name, const char *value, int replace));
807 # endif
808 # if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
809 _GL_CXXALIASWARN (setenv);
810 # endif
811 #elif defined GNULIB_POSIXCHECK
812 # undef setenv
813 # if HAVE_RAW_DECL_SETENV
814 _GL_WARN_ON_USE (setenv, "setenv is unportable - "
815  "use gnulib module setenv for portability");
816 # endif
817 #endif
818 
819 #if @GNULIB_STRTOD@
820  /* Parse a double from STRING, updating ENDP if appropriate. */
821 # if @REPLACE_STRTOD@
822 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
823 # define strtod rpl_strtod
824 # endif
825 _GL_FUNCDECL_RPL (strtod, double, (const char *str, char **endp)
826  _GL_ARG_NONNULL ((1)));
827 _GL_CXXALIAS_RPL (strtod, double, (const char *str, char **endp));
828 # else
829 # if !@HAVE_STRTOD@
830 _GL_FUNCDECL_SYS (strtod, double, (const char *str, char **endp)
831  _GL_ARG_NONNULL ((1)));
832 # endif
833 _GL_CXXALIAS_SYS (strtod, double, (const char *str, char **endp));
834 # endif
835 _GL_CXXALIASWARN (strtod);
836 #elif defined GNULIB_POSIXCHECK
837 # undef strtod
838 # if HAVE_RAW_DECL_STRTOD
839 _GL_WARN_ON_USE (strtod, "strtod is unportable - "
840  "use gnulib module strtod for portability");
841 # endif
842 #endif
843 
844 #if @GNULIB_STRTOLL@
845 /* Parse a signed integer whose textual representation starts at STRING.
846  The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
847  it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
848  "0x").
849  If ENDPTR is not NULL, the address of the first byte after the integer is
850  stored in *ENDPTR.
851  Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
852  to ERANGE. */
853 # if !@HAVE_STRTOLL@
854 _GL_FUNCDECL_SYS (strtoll, long long,
855  (const char *string, char **endptr, int base)
856  _GL_ARG_NONNULL ((1)));
857 # endif
858 _GL_CXXALIAS_SYS (strtoll, long long,
859  (const char *string, char **endptr, int base));
860 _GL_CXXALIASWARN (strtoll);
861 #elif defined GNULIB_POSIXCHECK
862 # undef strtoll
863 # if HAVE_RAW_DECL_STRTOLL
864 _GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
865  "use gnulib module strtoll for portability");
866 # endif
867 #endif
868 
869 #if @GNULIB_STRTOULL@
870 /* Parse an unsigned integer whose textual representation starts at STRING.
871  The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
872  it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
873  "0x").
874  If ENDPTR is not NULL, the address of the first byte after the integer is
875  stored in *ENDPTR.
876  Upon overflow, the return value is ULLONG_MAX, and errno is set to
877  ERANGE. */
878 # if !@HAVE_STRTOULL@
879 _GL_FUNCDECL_SYS (strtoull, unsigned long long,
880  (const char *string, char **endptr, int base)
881  _GL_ARG_NONNULL ((1)));
882 # endif
883 _GL_CXXALIAS_SYS (strtoull, unsigned long long,
884  (const char *string, char **endptr, int base));
885 _GL_CXXALIASWARN (strtoull);
886 #elif defined GNULIB_POSIXCHECK
887 # undef strtoull
888 # if HAVE_RAW_DECL_STRTOULL
889 _GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
890  "use gnulib module strtoull for portability");
891 # endif
892 #endif
893 
894 #if @GNULIB_UNLOCKPT@
895 /* Unlock the slave side of the pseudo-terminal whose master side is specified
896  by FD, so that it can be opened. */
897 # if !@HAVE_UNLOCKPT@
898 _GL_FUNCDECL_SYS (unlockpt, int, (int fd));
899 # endif
900 _GL_CXXALIAS_SYS (unlockpt, int, (int fd));
901 _GL_CXXALIASWARN (unlockpt);
902 #elif defined GNULIB_POSIXCHECK
903 # undef unlockpt
904 # if HAVE_RAW_DECL_UNLOCKPT
905 _GL_WARN_ON_USE (unlockpt, "unlockpt is not portable - "
906  "use gnulib module unlockpt for portability");
907 # endif
908 #endif
909 
910 #if @GNULIB_UNSETENV@
911 /* Remove the variable NAME from the environment. */
912 # if @REPLACE_UNSETENV@
913 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
914 # undef unsetenv
915 # define unsetenv rpl_unsetenv
916 # endif
917 _GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
918 _GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
919 # else
920 # if !@HAVE_DECL_UNSETENV@
921 _GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
922 # endif
923 _GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
924 # endif
925 # if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
926 _GL_CXXALIASWARN (unsetenv);
927 # endif
928 #elif defined GNULIB_POSIXCHECK
929 # undef unsetenv
930 # if HAVE_RAW_DECL_UNSETENV
931 _GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
932  "use gnulib module unsetenv for portability");
933 # endif
934 #endif
935 
936 /* Convert a wide character to a multibyte character. */
937 #if @GNULIB_WCTOMB@
938 # if @REPLACE_WCTOMB@
939 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
940 # undef wctomb
941 # define wctomb rpl_wctomb
942 # endif
943 _GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
944 _GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
945 # else
946 _GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
947 # endif
948 _GL_CXXALIASWARN (wctomb);
949 #endif
950 
951 
952 #endif /* _@GUARD_PREFIX@_STDLIB_H */
953 #endif /* _@GUARD_PREFIX@_STDLIB_H */
954 #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
#define _GL_ATTRIBUTE_PURE
NetBSD 5.0 mis-defines NULL.
Definition: stdlib.in.h:103
static char buf[BSZ]
Definition: split_file.c:157
#define int32_t
Definition: stdint.in.h:155