1 /* A GNU-like <stdlib.h>.
3 Copyright (C) 1995, 2001-2004, 2006-2009 Free Software Foundation, Inc.
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.
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.
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/>. */
19 @PRAGMA_SYSTEM_HEADER@
22 #if defined __need_malloc_and_calloc
23 /* Special invocation convention inside glibc header files. */
25 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
28 /* Normal invocation convention. */
32 /* The include_next requires a split double-inclusion guard. */
33 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
38 /* NetBSD 5.0 mis-defines NULL. */
41 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
42 #if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
43 # include <sys/loadavg.h>
46 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
47 from <stdlib.h> if _REENTRANT is defined. Include it always. */
52 #if (@GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@ \
53 || defined GNULIB_POSIXCHECK)
57 #if !@HAVE_STRUCT_RANDOM_DATA@
60 int32_t *fptr; /* Front pointer. */
61 int32_t *rptr; /* Rear pointer. */
62 int32_t *state; /* Array of state values. */
63 int rand_type; /* Type of random number generator. */
64 int rand_deg; /* Degree of random number generator. */
65 int rand_sep; /* Distance between front and rear. */
66 int32_t *end_ptr; /* Pointer behind state table. */
70 #if @GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK
71 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
72 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
76 /* The definition of GL_LINK_WARNING is copied here. */
78 /* The definition of _GL_ARG_NONNULL is copied here. */
81 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
83 # define EXIT_SUCCESS 0
85 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
86 with proper operation of xargs. */
88 # define EXIT_FAILURE 1
89 #elif EXIT_FAILURE != 1
91 # define EXIT_FAILURE 1
101 /* Parse a signed decimal integer.
102 Returns the value of the integer. Errors are not detected. */
103 extern long long atoll (const char *string) _GL_ARG_NONNULL ((1));
105 #elif defined GNULIB_POSIXCHECK
108 (GL_LINK_WARNING ("atoll is unportable - " \
109 "use gnulib module atoll for portability"), \
113 #if @GNULIB_CALLOC_POSIX@
114 # if !@HAVE_CALLOC_POSIX@
116 # define calloc rpl_calloc
117 extern void * calloc (size_t nmemb, size_t size);
119 #elif defined GNULIB_POSIXCHECK
121 # define calloc(n,s) \
122 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
123 "use gnulib module calloc-posix for portability"), \
127 #if @GNULIB_CANONICALIZE_FILE_NAME@
128 # if @REPLACE_CANONICALIZE_FILE_NAME@
129 # define canonicalize_file_name rpl_canonicalize_file_name
131 # if !@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@
132 extern char *canonicalize_file_name (const char *name) _GL_ARG_NONNULL ((1));
134 #elif defined GNULIB_POSIXCHECK
135 # undef canonicalize_file_name
136 # define canonicalize_file_name(n) \
137 (GL_LINK_WARNING ("canonicalize_file_name is unportable - " \
138 "use gnulib module canonicalize-lgpl for portability"), \
139 canonicalize_file_name (n))
142 #if @GNULIB_GETLOADAVG@
143 # if !@HAVE_DECL_GETLOADAVG@
144 /* Store max(NELEM,3) load average numbers in LOADAVG[].
145 The three numbers are the load average of the last 1 minute, the last 5
146 minutes, and the last 15 minutes, respectively.
147 LOADAVG is an array of NELEM numbers. */
148 extern int getloadavg (double loadavg[], int nelem) _GL_ARG_NONNULL ((1));
150 #elif defined GNULIB_POSIXCHECK
152 # define getloadavg(l,n) \
153 (GL_LINK_WARNING ("getloadavg is not portable - " \
154 "use gnulib module getloadavg for portability"), \
158 #if @GNULIB_GETSUBOPT@
159 /* Assuming *OPTIONP is a comma separated list of elements of the form
160 "token" or "token=value", getsubopt parses the first of these elements.
161 If the first element refers to a "token" that is member of the given
162 NULL-terminated array of tokens:
163 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
164 the first option and the comma, sets *VALUEP to the value of the
165 element (or NULL if it doesn't contain an "=" sign),
166 - It returns the index of the "token" in the given array of tokens.
167 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
168 For more details see the POSIX:2001 specification.
169 http://www.opengroup.org/susv3xsh/getsubopt.html */
170 # if !@HAVE_GETSUBOPT@
171 extern int getsubopt (char **optionp, char *const *tokens, char **valuep)
172 _GL_ARG_NONNULL ((1, 2, 3));
174 #elif defined GNULIB_POSIXCHECK
176 # define getsubopt(o,t,v) \
177 (GL_LINK_WARNING ("getsubopt is unportable - " \
178 "use gnulib module getsubopt for portability"), \
182 #if @GNULIB_MALLOC_POSIX@
183 # if !@HAVE_MALLOC_POSIX@
185 # define malloc rpl_malloc
186 extern void * malloc (size_t size);
188 #elif defined GNULIB_POSIXCHECK
191 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
192 "use gnulib module malloc-posix for portability"), \
198 /* Create a unique temporary directory from TEMPLATE.
199 The last six characters of TEMPLATE must be "XXXXXX";
200 they are replaced with a string that makes the directory name unique.
201 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
202 The directory is created mode 700. */
203 extern char * mkdtemp (char * /*template*/) _GL_ARG_NONNULL ((1));
205 #elif defined GNULIB_POSIXCHECK
207 # define mkdtemp(t) \
208 (GL_LINK_WARNING ("mkdtemp is unportable - " \
209 "use gnulib module mkdtemp for portability"), \
213 #if @GNULIB_MKOSTEMP@
214 # if !@HAVE_MKOSTEMP@
215 /* Create a unique temporary file from TEMPLATE.
216 The last six characters of TEMPLATE must be "XXXXXX";
217 they are replaced with a string that makes the file name unique.
218 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
219 and O_TEXT, O_BINARY (defined in "binary-io.h").
220 The file is then created, with the specified flags, ensuring it didn't exist
222 The file is created read-write (mask at least 0600 & ~umask), but it may be
223 world-readable and world-writable (mask 0666 & ~umask), depending on the
225 Returns the open file descriptor if successful, otherwise -1 and errno
227 extern int mkostemp (char * /*template*/, int /*flags*/) _GL_ARG_NONNULL ((1));
229 #elif defined GNULIB_POSIXCHECK
231 # define mkostemp(t,f) \
232 (GL_LINK_WARNING ("mkostemp is unportable - " \
233 "use gnulib module mkostemp for portability"), \
237 #if @GNULIB_MKOSTEMPS@
238 # if !@HAVE_MKOSTEMPS@
239 /* Create a unique temporary file from TEMPLATE.
240 The last six characters of TEMPLATE before a suffix of length
241 SUFFIXLEN must be "XXXXXX";
242 they are replaced with a string that makes the file name unique.
243 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
244 and O_TEXT, O_BINARY (defined in "binary-io.h").
245 The file is then created, with the specified flags, ensuring it didn't exist
247 The file is created read-write (mask at least 0600 & ~umask), but it may be
248 world-readable and world-writable (mask 0666 & ~umask), depending on the
250 Returns the open file descriptor if successful, otherwise -1 and errno
252 extern int mkostemps (char * /*template*/, int /*suffixlen*/, int /*flags*/)
253 _GL_ARG_NONNULL ((1));
255 #elif defined GNULIB_POSIXCHECK
257 # define mkostemps(t,s,f) \
258 (GL_LINK_WARNING ("mkostemps is unportable - " \
259 "use gnulib module mkostemps for portability"), \
264 # if @REPLACE_MKSTEMP@
265 /* Create a unique temporary file from TEMPLATE.
266 The last six characters of TEMPLATE must be "XXXXXX";
267 they are replaced with a string that makes the file name unique.
268 The file is then created, ensuring it didn't exist before.
269 The file is created read-write (mask at least 0600 & ~umask), but it may be
270 world-readable and world-writable (mask 0666 & ~umask), depending on the
272 Returns the open file descriptor if successful, otherwise -1 and errno
274 # define mkstemp rpl_mkstemp
275 extern int mkstemp (char * /*template*/) _GL_ARG_NONNULL ((1));
277 #elif defined GNULIB_POSIXCHECK
279 # define mkstemp(t) \
280 (GL_LINK_WARNING ("mkstemp is unportable - " \
281 "use gnulib module mkstemp for portability"), \
285 #if @GNULIB_MKSTEMPS@
286 # if !@HAVE_MKSTEMPS@
287 /* Create a unique temporary file from TEMPLATE.
288 The last six characters of TEMPLATE prior to a suffix of length
289 SUFFIXLEN must be "XXXXXX";
290 they are replaced with a string that makes the file name unique.
291 The file is then created, ensuring it didn't exist before.
292 The file is created read-write (mask at least 0600 & ~umask), but it may be
293 world-readable and world-writable (mask 0666 & ~umask), depending on the
295 Returns the open file descriptor if successful, otherwise -1 and errno
297 extern int mkstemps (char * /*template*/, int /*suffixlen*/)
298 _GL_ARG_NONNULL ((1));
300 #elif defined GNULIB_POSIXCHECK
302 # define mkstemps(t,s) \
303 (GL_LINK_WARNING ("mkstemps is unportable - " \
304 "use gnulib module mkstemps for portability"), \
309 # if @REPLACE_PUTENV@
311 # define putenv rpl_putenv
312 extern int putenv (char *string) _GL_ARG_NONNULL ((1));
316 #if @GNULIB_RANDOM_R@
317 # if !@HAVE_RANDOM_R@
320 # define RAND_MAX 2147483647
323 int srandom_r (unsigned int seed, struct random_data *rand_state)
324 _GL_ARG_NONNULL ((2));
325 int initstate_r (unsigned int seed, char *buf, size_t buf_size,
326 struct random_data *rand_state)
327 _GL_ARG_NONNULL ((2, 4));
328 int setstate_r (char *arg_state, struct random_data *rand_state)
329 _GL_ARG_NONNULL ((1, 2));
330 int random_r (struct random_data *buf, int32_t *result)
331 _GL_ARG_NONNULL ((1, 2));
333 #elif defined GNULIB_POSIXCHECK
335 # define random_r(b,r) \
336 (GL_LINK_WARNING ("random_r is unportable - " \
337 "use gnulib module random_r for portability"), \
340 # define initstate_r(s,b,sz,r) \
341 (GL_LINK_WARNING ("initstate_r is unportable - " \
342 "use gnulib module random_r for portability"), \
343 initstate_r (s,b,sz,r))
345 # define srandom_r(s,r) \
346 (GL_LINK_WARNING ("srandom_r is unportable - " \
347 "use gnulib module random_r for portability"), \
350 # define setstate_r(a,r) \
351 (GL_LINK_WARNING ("setstate_r is unportable - " \
352 "use gnulib module random_r for portability"), \
356 #if @GNULIB_REALLOC_POSIX@
357 # if !@HAVE_REALLOC_POSIX@
359 # define realloc rpl_realloc
360 extern void * realloc (void *ptr, size_t size);
362 #elif defined GNULIB_POSIXCHECK
364 # define realloc(p,s) \
365 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
366 "use gnulib module realloc-posix for portability"), \
370 #if @GNULIB_REALPATH@
371 # if @REPLACE_REALPATH@
372 # define realpath rpl_realpath
374 # if !@HAVE_REALPATH@ || @REPLACE_REALPATH@
375 extern char *realpath (const char *name, char *resolved) _GL_ARG_NONNULL ((1));
377 #elif defined GNULIB_POSIXCHECK
379 # define realpath(n,r) \
380 (GL_LINK_WARNING ("realpath is unportable - use gnulib module " \
381 "canonicalize or canonicalize-lgpl for portability"), \
387 /* Test a user response to a question.
388 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
389 extern int rpmatch (const char *response) _GL_ARG_NONNULL ((1));
391 #elif defined GNULIB_POSIXCHECK
393 # define rpmatch(r) \
394 (GL_LINK_WARNING ("rpmatch is unportable - " \
395 "use gnulib module rpmatch for portability"), \
400 # if @REPLACE_SETENV@
402 # define setenv rpl_setenv
404 # if !@HAVE_SETENV@ || @REPLACE_SETENV@
405 /* Set NAME to VALUE in the environment.
406 If REPLACE is nonzero, overwrite an existing value. */
407 extern int setenv (const char *name, const char *value, int replace)
408 _GL_ARG_NONNULL ((1));
410 #elif defined GNULIB_POSIXCHECK
412 # define setenv(n,v,o) \
413 (GL_LINK_WARNING ("setenv is unportable - " \
414 "use gnulib module setenv for portability"), \
419 # if @REPLACE_STRTOD@
420 # define strtod rpl_strtod
422 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
423 /* Parse a double from STRING, updating ENDP if appropriate. */
424 extern double strtod (const char *str, char **endp) _GL_ARG_NONNULL ((1));
426 #elif defined GNULIB_POSIXCHECK
428 # define strtod(s, e) \
429 (GL_LINK_WARNING ("strtod is unportable - " \
430 "use gnulib module strtod for portability"), \
436 /* Parse a signed integer whose textual representation starts at STRING.
437 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
438 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
440 If ENDPTR is not NULL, the address of the first byte after the integer is
442 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
444 extern long long strtoll (const char *string, char **endptr, int base)
445 _GL_ARG_NONNULL ((1));
447 #elif defined GNULIB_POSIXCHECK
449 # define strtoll(s,e,b) \
450 (GL_LINK_WARNING ("strtoll is unportable - " \
451 "use gnulib module strtoll for portability"), \
455 #if @GNULIB_STRTOULL@
456 # if !@HAVE_STRTOULL@
457 /* Parse an unsigned integer whose textual representation starts at STRING.
458 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
459 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
461 If ENDPTR is not NULL, the address of the first byte after the integer is
463 Upon overflow, the return value is ULLONG_MAX, and errno is set to
465 extern unsigned long long strtoull (const char *string, char **endptr, int base)
466 _GL_ARG_NONNULL ((1));
468 #elif defined GNULIB_POSIXCHECK
470 # define strtoull(s,e,b) \
471 (GL_LINK_WARNING ("strtoull is unportable - " \
472 "use gnulib module strtoull for portability"), \
476 #if @GNULIB_UNSETENV@
477 # if @REPLACE_UNSETENV@
479 # define unsetenv rpl_unsetenv
481 # if !@HAVE_UNSETENV@ || @REPLACE_UNSETENV@
482 /* Remove the variable NAME from the environment. */
483 extern int unsetenv (const char *name) _GL_ARG_NONNULL ((1));
485 #elif defined GNULIB_POSIXCHECK
487 # define unsetenv(n) \
488 (GL_LINK_WARNING ("unsetenv is unportable - " \
489 "use gnulib module unsetenv for portability"), \
497 #endif /* _GL_STDLIB_H */
498 #endif /* _GL_STDLIB_H */