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@ && @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@
56 #if !@HAVE_STRUCT_RANDOM_DATA@
59 int32_t *fptr; /* Front pointer. */
60 int32_t *rptr; /* Rear pointer. */
61 int32_t *state; /* Array of state values. */
62 int rand_type; /* Type of random number generator. */
63 int rand_deg; /* Degree of random number generator. */
64 int rand_sep; /* Distance between front and rear. */
65 int32_t *end_ptr; /* Pointer behind state table. */
69 #if @GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK
70 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
71 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
75 /* The definition of GL_LINK_WARNING is copied here. */
77 /* The definition of _GL_ARG_NONNULL is copied here. */
80 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
82 # define EXIT_SUCCESS 0
84 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
85 with proper operation of xargs. */
87 # define EXIT_FAILURE 1
88 #elif EXIT_FAILURE != 1
90 # define EXIT_FAILURE 1
100 /* Parse a signed decimal integer.
101 Returns the value of the integer. Errors are not detected. */
102 extern long long atoll (const char *string) _GL_ARG_NONNULL ((1));
104 #elif defined GNULIB_POSIXCHECK
107 (GL_LINK_WARNING ("atoll is unportable - " \
108 "use gnulib module atoll for portability"), \
112 #if @GNULIB_CALLOC_POSIX@
113 # if !@HAVE_CALLOC_POSIX@
115 # define calloc rpl_calloc
116 extern void * calloc (size_t nmemb, size_t size);
118 #elif defined GNULIB_POSIXCHECK
120 # define calloc(n,s) \
121 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
122 "use gnulib module calloc-posix for portability"), \
126 #if @GNULIB_CANONICALIZE_FILE_NAME@
127 # if @REPLACE_CANONICALIZE_FILE_NAME@
128 # define canonicalize_file_name rpl_canonicalize_file_name
130 # if !@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@
131 extern char *canonicalize_file_name (const char *name) _GL_ARG_NONNULL ((1));
133 #elif defined GNULIB_POSIXCHECK
134 # undef canonicalize_file_name
135 # define canonicalize_file_name(n) \
136 (GL_LINK_WARNING ("canonicalize_file_name is unportable - " \
137 "use gnulib module canonicalize-lgpl for portability"), \
138 canonicalize_file_name (n))
141 #if @GNULIB_GETLOADAVG@
142 # if !@HAVE_DECL_GETLOADAVG@
143 /* Store max(NELEM,3) load average numbers in LOADAVG[].
144 The three numbers are the load average of the last 1 minute, the last 5
145 minutes, and the last 15 minutes, respectively.
146 LOADAVG is an array of NELEM numbers. */
147 extern int getloadavg (double loadavg[], int nelem) _GL_ARG_NONNULL ((1));
149 #elif defined GNULIB_POSIXCHECK
151 # define getloadavg(l,n) \
152 (GL_LINK_WARNING ("getloadavg is not portable - " \
153 "use gnulib module getloadavg for portability"), \
157 #if @GNULIB_GETSUBOPT@
158 /* Assuming *OPTIONP is a comma separated list of elements of the form
159 "token" or "token=value", getsubopt parses the first of these elements.
160 If the first element refers to a "token" that is member of the given
161 NULL-terminated array of tokens:
162 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
163 the first option and the comma, sets *VALUEP to the value of the
164 element (or NULL if it doesn't contain an "=" sign),
165 - It returns the index of the "token" in the given array of tokens.
166 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
167 For more details see the POSIX:2001 specification.
168 http://www.opengroup.org/susv3xsh/getsubopt.html */
169 # if !@HAVE_GETSUBOPT@
170 extern int getsubopt (char **optionp, char *const *tokens, char **valuep)
171 _GL_ARG_NONNULL ((1, 2, 3));
173 #elif defined GNULIB_POSIXCHECK
175 # define getsubopt(o,t,v) \
176 (GL_LINK_WARNING ("getsubopt is unportable - " \
177 "use gnulib module getsubopt for portability"), \
181 #if @GNULIB_MALLOC_POSIX@
182 # if !@HAVE_MALLOC_POSIX@
184 # define malloc rpl_malloc
185 extern void * malloc (size_t size);
187 #elif defined GNULIB_POSIXCHECK
190 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
191 "use gnulib module malloc-posix for portability"), \
197 /* Create a unique temporary directory from TEMPLATE.
198 The last six characters of TEMPLATE must be "XXXXXX";
199 they are replaced with a string that makes the directory name unique.
200 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
201 The directory is created mode 700. */
202 extern char * mkdtemp (char * /*template*/) _GL_ARG_NONNULL ((1));
204 #elif defined GNULIB_POSIXCHECK
206 # define mkdtemp(t) \
207 (GL_LINK_WARNING ("mkdtemp is unportable - " \
208 "use gnulib module mkdtemp for portability"), \
212 #if @GNULIB_MKOSTEMP@
213 # if !@HAVE_MKOSTEMP@
214 /* Create a unique temporary file from TEMPLATE.
215 The last six characters of TEMPLATE must be "XXXXXX";
216 they are replaced with a string that makes the file name unique.
217 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
218 and O_TEXT, O_BINARY (defined in "binary-io.h").
219 The file is then created, with the specified flags, ensuring it didn't exist
221 The file is created read-write (mask at least 0600 & ~umask), but it may be
222 world-readable and world-writable (mask 0666 & ~umask), depending on the
224 Returns the open file descriptor if successful, otherwise -1 and errno
226 extern int mkostemp (char * /*template*/, int /*flags*/) _GL_ARG_NONNULL ((1));
228 #elif defined GNULIB_POSIXCHECK
230 # define mkostemp(t,f) \
231 (GL_LINK_WARNING ("mkostemp is unportable - " \
232 "use gnulib module mkostemp for portability"), \
236 #if @GNULIB_MKOSTEMPS@
237 # if !@HAVE_MKOSTEMPS@
238 /* Create a unique temporary file from TEMPLATE.
239 The last six characters of TEMPLATE before a suffix of length
240 SUFFIXLEN must be "XXXXXX";
241 they are replaced with a string that makes the file name unique.
242 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
243 and O_TEXT, O_BINARY (defined in "binary-io.h").
244 The file is then created, with the specified flags, ensuring it didn't exist
246 The file is created read-write (mask at least 0600 & ~umask), but it may be
247 world-readable and world-writable (mask 0666 & ~umask), depending on the
249 Returns the open file descriptor if successful, otherwise -1 and errno
251 extern int mkostemps (char * /*template*/, int /*suffixlen*/, int /*flags*/)
252 _GL_ARG_NONNULL ((1));
254 #elif defined GNULIB_POSIXCHECK
256 # define mkostemps(t,s,f) \
257 (GL_LINK_WARNING ("mkostemps is unportable - " \
258 "use gnulib module mkostemps for portability"), \
263 # if @REPLACE_MKSTEMP@
264 /* Create a unique temporary file from TEMPLATE.
265 The last six characters of TEMPLATE must be "XXXXXX";
266 they are replaced with a string that makes the file name unique.
267 The file is then created, ensuring it didn't exist before.
268 The file is created read-write (mask at least 0600 & ~umask), but it may be
269 world-readable and world-writable (mask 0666 & ~umask), depending on the
271 Returns the open file descriptor if successful, otherwise -1 and errno
273 # define mkstemp rpl_mkstemp
274 extern int mkstemp (char * /*template*/) _GL_ARG_NONNULL ((1));
276 #elif defined GNULIB_POSIXCHECK
278 # define mkstemp(t) \
279 (GL_LINK_WARNING ("mkstemp is unportable - " \
280 "use gnulib module mkstemp for portability"), \
284 #if @GNULIB_MKSTEMPS@
285 # if !@HAVE_MKSTEMPS@
286 /* Create a unique temporary file from TEMPLATE.
287 The last six characters of TEMPLATE prior to a suffix of length
288 SUFFIXLEN must be "XXXXXX";
289 they are replaced with a string that makes the file name unique.
290 The file is then created, ensuring it didn't exist before.
291 The file is created read-write (mask at least 0600 & ~umask), but it may be
292 world-readable and world-writable (mask 0666 & ~umask), depending on the
294 Returns the open file descriptor if successful, otherwise -1 and errno
296 extern int mkstemps (char * /*template*/, int /*suffixlen*/)
297 _GL_ARG_NONNULL ((1));
299 #elif defined GNULIB_POSIXCHECK
301 # define mkstemps(t,s) \
302 (GL_LINK_WARNING ("mkstemps is unportable - " \
303 "use gnulib module mkstemps for portability"), \
308 # if @REPLACE_PUTENV@
310 # define putenv rpl_putenv
311 extern int putenv (char *string) _GL_ARG_NONNULL ((1));
315 #if @GNULIB_RANDOM_R@
316 # if !@HAVE_RANDOM_R@
319 # define RAND_MAX 2147483647
322 int srandom_r (unsigned int seed, struct random_data *rand_state)
323 _GL_ARG_NONNULL ((2));
324 int initstate_r (unsigned int seed, char *buf, size_t buf_size,
325 struct random_data *rand_state)
326 _GL_ARG_NONNULL ((2, 4));
327 int setstate_r (char *arg_state, struct random_data *rand_state)
328 _GL_ARG_NONNULL ((1, 2));
329 int random_r (struct random_data *buf, int32_t *result)
330 _GL_ARG_NONNULL ((1, 2));
332 #elif defined GNULIB_POSIXCHECK
334 # define random_r(b,r) \
335 (GL_LINK_WARNING ("random_r is unportable - " \
336 "use gnulib module random_r for portability"), \
339 # define initstate_r(s,b,sz,r) \
340 (GL_LINK_WARNING ("initstate_r is unportable - " \
341 "use gnulib module random_r for portability"), \
342 initstate_r (s,b,sz,r))
344 # define srandom_r(s,r) \
345 (GL_LINK_WARNING ("srandom_r is unportable - " \
346 "use gnulib module random_r for portability"), \
349 # define setstate_r(a,r) \
350 (GL_LINK_WARNING ("setstate_r is unportable - " \
351 "use gnulib module random_r for portability"), \
355 #if @GNULIB_REALLOC_POSIX@
356 # if !@HAVE_REALLOC_POSIX@
358 # define realloc rpl_realloc
359 extern void * realloc (void *ptr, size_t size);
361 #elif defined GNULIB_POSIXCHECK
363 # define realloc(p,s) \
364 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
365 "use gnulib module realloc-posix for portability"), \
369 #if @GNULIB_REALPATH@
370 # if @REPLACE_REALPATH@
371 # define realpath rpl_realpath
373 # if !@HAVE_REALPATH@ || @REPLACE_REALPATH@
374 extern char *realpath (const char *name, char *resolved) _GL_ARG_NONNULL ((1));
376 #elif defined GNULIB_POSIXCHECK
378 # define realpath(n,r) \
379 (GL_LINK_WARNING ("realpath is unportable - use gnulib module " \
380 "canonicalize or canonicalize-lgpl for portability"), \
386 /* Test a user response to a question.
387 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
388 extern int rpmatch (const char *response) _GL_ARG_NONNULL ((1));
390 #elif defined GNULIB_POSIXCHECK
392 # define rpmatch(r) \
393 (GL_LINK_WARNING ("rpmatch is unportable - " \
394 "use gnulib module rpmatch for portability"), \
399 # if @REPLACE_SETENV@
401 # define setenv rpl_setenv
403 # if !@HAVE_SETENV@ || @REPLACE_SETENV@
404 /* Set NAME to VALUE in the environment.
405 If REPLACE is nonzero, overwrite an existing value. */
406 extern int setenv (const char *name, const char *value, int replace)
407 _GL_ARG_NONNULL ((1));
409 #elif defined GNULIB_POSIXCHECK
411 # define setenv(n,v,o) \
412 (GL_LINK_WARNING ("setenv is unportable - " \
413 "use gnulib module setenv for portability"), \
418 # if @REPLACE_STRTOD@
419 # define strtod rpl_strtod
421 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
422 /* Parse a double from STRING, updating ENDP if appropriate. */
423 extern double strtod (const char *str, char **endp) _GL_ARG_NONNULL ((1));
425 #elif defined GNULIB_POSIXCHECK
427 # define strtod(s, e) \
428 (GL_LINK_WARNING ("strtod is unportable - " \
429 "use gnulib module strtod for portability"), \
435 /* Parse a signed integer whose textual representation starts at STRING.
436 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
437 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
439 If ENDPTR is not NULL, the address of the first byte after the integer is
441 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
443 extern long long strtoll (const char *string, char **endptr, int base)
444 _GL_ARG_NONNULL ((1));
446 #elif defined GNULIB_POSIXCHECK
448 # define strtoll(s,e,b) \
449 (GL_LINK_WARNING ("strtoll is unportable - " \
450 "use gnulib module strtoll for portability"), \
454 #if @GNULIB_STRTOULL@
455 # if !@HAVE_STRTOULL@
456 /* Parse an unsigned integer whose textual representation starts at STRING.
457 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
458 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
460 If ENDPTR is not NULL, the address of the first byte after the integer is
462 Upon overflow, the return value is ULLONG_MAX, and errno is set to
464 extern unsigned long long strtoull (const char *string, char **endptr, int base)
465 _GL_ARG_NONNULL ((1));
467 #elif defined GNULIB_POSIXCHECK
469 # define strtoull(s,e,b) \
470 (GL_LINK_WARNING ("strtoull is unportable - " \
471 "use gnulib module strtoull for portability"), \
475 #if @GNULIB_UNSETENV@
476 # if @REPLACE_UNSETENV@
478 # define unsetenv rpl_unsetenv
480 # if !@HAVE_UNSETENV@ || @REPLACE_UNSETENV@
481 /* Remove the variable NAME from the environment. */
482 extern int unsetenv (const char *name) _GL_ARG_NONNULL ((1));
484 #elif defined GNULIB_POSIXCHECK
486 # define unsetenv(n) \
487 (GL_LINK_WARNING ("unsetenv is unportable - " \
488 "use gnulib module unsetenv for portability"), \
496 #endif /* _GL_STDLIB_H */
497 #endif /* _GL_STDLIB_H */