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 /* The definition of GL_LINK_WARNING is copied here. */
72 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
74 # define EXIT_SUCCESS 0
76 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
77 with proper operation of xargs. */
79 # define EXIT_FAILURE 1
80 #elif EXIT_FAILURE != 1
82 # define EXIT_FAILURE 1
91 #if @GNULIB_MALLOC_POSIX@
92 # if !@HAVE_MALLOC_POSIX@
94 # define malloc rpl_malloc
95 extern void * malloc (size_t size);
97 #elif defined GNULIB_POSIXCHECK
100 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
101 "use gnulib module malloc-posix for portability"), \
106 #if @GNULIB_REALLOC_POSIX@
107 # if !@HAVE_REALLOC_POSIX@
109 # define realloc rpl_realloc
110 extern void * realloc (void *ptr, size_t size);
112 #elif defined GNULIB_POSIXCHECK
114 # define realloc(p,s) \
115 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
116 "use gnulib module realloc-posix for portability"), \
121 #if @GNULIB_CALLOC_POSIX@
122 # if !@HAVE_CALLOC_POSIX@
124 # define calloc rpl_calloc
125 extern void * calloc (size_t nmemb, size_t size);
127 #elif defined GNULIB_POSIXCHECK
129 # define calloc(n,s) \
130 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
131 "use gnulib module calloc-posix for portability"), \
138 /* Parse a signed decimal integer.
139 Returns the value of the integer. Errors are not detected. */
140 extern long long atoll (const char *string);
142 #elif defined GNULIB_POSIXCHECK
145 (GL_LINK_WARNING ("atoll is unportable - " \
146 "use gnulib module atoll for portability"), \
151 #if @GNULIB_GETLOADAVG@
152 # if !@HAVE_DECL_GETLOADAVG@
153 /* Store max(NELEM,3) load average numbers in LOADAVG[].
154 The three numbers are the load average of the last 1 minute, the last 5
155 minutes, and the last 15 minutes, respectively.
156 LOADAVG is an array of NELEM numbers. */
157 extern int getloadavg (double loadavg[], int nelem);
159 #elif defined GNULIB_POSIXCHECK
161 # define getloadavg(l,n) \
162 (GL_LINK_WARNING ("getloadavg is not portable - " \
163 "use gnulib module getloadavg for portability"), \
168 #if @GNULIB_GETSUBOPT@
169 /* Assuming *OPTIONP is a comma separated list of elements of the form
170 "token" or "token=value", getsubopt parses the first of these elements.
171 If the first element refers to a "token" that is member of the given
172 NULL-terminated array of tokens:
173 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
174 the first option and the comma, sets *VALUEP to the value of the
175 element (or NULL if it doesn't contain an "=" sign),
176 - It returns the index of the "token" in the given array of tokens.
177 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
178 For more details see the POSIX:2001 specification.
179 http://www.opengroup.org/susv3xsh/getsubopt.html */
180 # if !@HAVE_GETSUBOPT@
181 extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
183 #elif defined GNULIB_POSIXCHECK
185 # define getsubopt(o,t,v) \
186 (GL_LINK_WARNING ("getsubopt is unportable - " \
187 "use gnulib module getsubopt for portability"), \
194 /* Create a unique temporary directory from TEMPLATE.
195 The last six characters of TEMPLATE must be "XXXXXX";
196 they are replaced with a string that makes the directory name unique.
197 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
198 The directory is created mode 700. */
199 extern char * mkdtemp (char * /*template*/);
201 #elif defined GNULIB_POSIXCHECK
203 # define mkdtemp(t) \
204 (GL_LINK_WARNING ("mkdtemp is unportable - " \
205 "use gnulib module mkdtemp for portability"), \
210 #if @GNULIB_MKOSTEMP@
211 # if !@HAVE_MKOSTEMP@
212 /* Create a unique temporary file from TEMPLATE.
213 The last six characters of TEMPLATE must be "XXXXXX";
214 they are replaced with a string that makes the file name unique.
215 The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
216 and O_TEXT, O_BINARY (defined in "binary-io.h").
217 The file is then created, with the specified flags, ensuring it didn't exist
219 The file is created read-write (mask at least 0600 & ~umask), but it may be
220 world-readable and world-writable (mask 0666 & ~umask), depending on the
222 Returns the open file descriptor if successful, otherwise -1 and errno
224 extern int mkostemp (char * /*template*/, int /*flags*/);
226 #elif defined GNULIB_POSIXCHECK
228 # define mkostemp(t,f) \
229 (GL_LINK_WARNING ("mkostemp is unportable - " \
230 "use gnulib module mkostemp for portability"), \
236 # if @REPLACE_MKSTEMP@
237 /* Create a unique temporary file from TEMPLATE.
238 The last six characters of TEMPLATE must be "XXXXXX";
239 they are replaced with a string that makes the file name unique.
240 The file is then created, ensuring it didn't exist before.
241 The file is created read-write (mask at least 0600 & ~umask), but it may be
242 world-readable and world-writable (mask 0666 & ~umask), depending on the
244 Returns the open file descriptor if successful, otherwise -1 and errno
246 # define mkstemp rpl_mkstemp
247 extern int mkstemp (char * /*template*/);
249 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
252 #elif defined GNULIB_POSIXCHECK
254 # define mkstemp(t) \
255 (GL_LINK_WARNING ("mkstemp is unportable - " \
256 "use gnulib module mkstemp for portability"), \
262 # if @REPLACE_PUTENV@
264 # define putenv rpl_putenv
265 extern int putenv (char *string);
270 #if @GNULIB_RANDOM_R@
271 # if !@HAVE_RANDOM_R@
274 # define RAND_MAX 2147483647
277 int srandom_r (unsigned int seed, struct random_data *rand_state);
278 int initstate_r (unsigned int seed, char *buf, size_t buf_size,
279 struct random_data *rand_state);
280 int setstate_r (char *arg_state, struct random_data *rand_state);
281 int random_r (struct random_data *buf, int32_t *result);
283 #elif defined GNULIB_POSIXCHECK
285 # define random_r(b,r) \
286 (GL_LINK_WARNING ("random_r is unportable - " \
287 "use gnulib module random_r for portability"), \
290 # define initstate_r(s,b,sz,r) \
291 (GL_LINK_WARNING ("initstate_r is unportable - " \
292 "use gnulib module random_r for portability"), \
293 initstate_r (s,b,sz,r))
295 # define srandom_r(s,r) \
296 (GL_LINK_WARNING ("srandom_r is unportable - " \
297 "use gnulib module random_r for portability"), \
300 # define setstate_r(a,r) \
301 (GL_LINK_WARNING ("setstate_r is unportable - " \
302 "use gnulib module random_r for portability"), \
309 /* Test a user response to a question.
310 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
311 extern int rpmatch (const char *response);
313 #elif defined GNULIB_POSIXCHECK
315 # define rpmatch(r) \
316 (GL_LINK_WARNING ("rpmatch is unportable - " \
317 "use gnulib module rpmatch for portability"), \
324 /* Set NAME to VALUE in the environment.
325 If REPLACE is nonzero, overwrite an existing value. */
326 extern int setenv (const char *name, const char *value, int replace);
331 #if @GNULIB_UNSETENV@
334 /* On some systems, unsetenv() returns void.
335 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
336 # define unsetenv(name) ((unsetenv)(name), 0)
339 /* Remove the variable NAME from the environment. */
340 extern int unsetenv (const char *name);
346 # if @REPLACE_STRTOD@
347 # define strtod rpl_strtod
349 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
350 /* Parse a double from STRING, updating ENDP if appropriate. */
351 extern double strtod (const char *str, char **endp);
353 #elif defined GNULIB_POSIXCHECK
355 # define strtod(s, e) \
356 (GL_LINK_WARNING ("strtod is unportable - " \
357 "use gnulib module strtod for portability"), \
364 /* Parse a signed integer whose textual representation starts at STRING.
365 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
366 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
368 If ENDPTR is not NULL, the address of the first byte after the integer is
370 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
372 extern long long strtoll (const char *string, char **endptr, int base);
374 #elif defined GNULIB_POSIXCHECK
376 # define strtoll(s,e,b) \
377 (GL_LINK_WARNING ("strtoll is unportable - " \
378 "use gnulib module strtoll for portability"), \
383 #if @GNULIB_STRTOULL@
384 # if !@HAVE_STRTOULL@
385 /* Parse an unsigned integer whose textual representation starts at STRING.
386 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
387 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
389 If ENDPTR is not NULL, the address of the first byte after the integer is
391 Upon overflow, the return value is ULLONG_MAX, and errno is set to
393 extern unsigned long long strtoull (const char *string, char **endptr, int base);
395 #elif defined GNULIB_POSIXCHECK
397 # define strtoull(s,e,b) \
398 (GL_LINK_WARNING ("strtoull is unportable - " \
399 "use gnulib module strtoull for portability"), \
408 #endif /* _GL_STDLIB_H */
409 #endif /* _GL_STDLIB_H */