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@
39 /* Solaris declares getloadavg() in <sys/loadavg.h>. */
40 #if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@
41 # include <sys/loadavg.h>
44 /* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
45 from <stdlib.h> if _REENTRANT is defined. Include it always. */
50 #if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
54 #if !@HAVE_STRUCT_RANDOM_DATA@
57 int32_t *fptr; /* Front pointer. */
58 int32_t *rptr; /* Rear pointer. */
59 int32_t *state; /* Array of state values. */
60 int rand_type; /* Type of random number generator. */
61 int rand_deg; /* Degree of random number generator. */
62 int rand_sep; /* Distance between front and rear. */
63 int32_t *end_ptr; /* Pointer behind state table. */
67 /* The definition of GL_LINK_WARNING is copied here. */
70 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
72 # define EXIT_SUCCESS 0
74 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
75 with proper operation of xargs. */
77 # define EXIT_FAILURE 1
78 #elif EXIT_FAILURE != 1
80 # define EXIT_FAILURE 1
89 #if @GNULIB_MALLOC_POSIX@
90 # if !@HAVE_MALLOC_POSIX@
92 # define malloc rpl_malloc
93 extern void * malloc (size_t size);
95 #elif defined GNULIB_POSIXCHECK
98 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
99 "use gnulib module malloc-posix for portability"), \
104 #if @GNULIB_REALLOC_POSIX@
105 # if !@HAVE_REALLOC_POSIX@
107 # define realloc rpl_realloc
108 extern void * realloc (void *ptr, size_t size);
110 #elif defined GNULIB_POSIXCHECK
112 # define realloc(p,s) \
113 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
114 "use gnulib module realloc-posix for portability"), \
119 #if @GNULIB_CALLOC_POSIX@
120 # if !@HAVE_CALLOC_POSIX@
122 # define calloc rpl_calloc
123 extern void * calloc (size_t nmemb, size_t size);
125 #elif defined GNULIB_POSIXCHECK
127 # define calloc(n,s) \
128 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
129 "use gnulib module calloc-posix for portability"), \
136 /* Parse a signed decimal integer.
137 Returns the value of the integer. Errors are not detected. */
138 extern long long atoll (const char *string);
140 #elif defined GNULIB_POSIXCHECK
143 (GL_LINK_WARNING ("atoll is unportable - " \
144 "use gnulib module atoll for portability"), \
149 #if @GNULIB_GETLOADAVG@
150 # if !@HAVE_DECL_GETLOADAVG@
151 /* Store max(NELEM,3) load average numbers in LOADAVG[].
152 The three numbers are the load average of the last 1 minute, the last 5
153 minutes, and the last 15 minutes, respectively.
154 LOADAVG is an array of NELEM numbers. */
155 extern int getloadavg (double loadavg[], int nelem);
157 #elif defined GNULIB_POSIXCHECK
159 # define getloadavg(l,n) \
160 (GL_LINK_WARNING ("getloadavg is not portable - " \
161 "use gnulib module getloadavg for portability"), \
166 #if @GNULIB_GETSUBOPT@
167 /* Assuming *OPTIONP is a comma separated list of elements of the form
168 "token" or "token=value", getsubopt parses the first of these elements.
169 If the first element refers to a "token" that is member of the given
170 NULL-terminated array of tokens:
171 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
172 the first option and the comma, sets *VALUEP to the value of the
173 element (or NULL if it doesn't contain an "=" sign),
174 - It returns the index of the "token" in the given array of tokens.
175 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
176 For more details see the POSIX:2001 specification.
177 http://www.opengroup.org/susv3xsh/getsubopt.html */
178 # if !@HAVE_GETSUBOPT@
179 extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
181 #elif defined GNULIB_POSIXCHECK
183 # define getsubopt(o,t,v) \
184 (GL_LINK_WARNING ("getsubopt is unportable - " \
185 "use gnulib module getsubopt for portability"), \
192 /* Create a unique temporary directory from TEMPLATE.
193 The last six characters of TEMPLATE must be "XXXXXX";
194 they are replaced with a string that makes the directory name unique.
195 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
196 The directory is created mode 700. */
197 extern char * mkdtemp (char * /*template*/);
199 #elif defined GNULIB_POSIXCHECK
201 # define mkdtemp(t) \
202 (GL_LINK_WARNING ("mkdtemp is unportable - " \
203 "use gnulib module mkdtemp for portability"), \
209 # if @REPLACE_MKSTEMP@
210 /* Create a unique temporary file from TEMPLATE.
211 The last six characters of TEMPLATE must be "XXXXXX";
212 they are replaced with a string that makes the file name unique.
213 The file is then created, ensuring it didn't exist before.
214 The file is created read-write (mask at least 0600 & ~umask), but it may be
215 world-readable and world-writable (mask 0666 & ~umask), depending on the
217 Returns the open file descriptor if successful, otherwise -1 and errno
219 # define mkstemp rpl_mkstemp
220 extern int mkstemp (char * /*template*/);
222 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
225 #elif defined GNULIB_POSIXCHECK
227 # define mkstemp(t) \
228 (GL_LINK_WARNING ("mkstemp is unportable - " \
229 "use gnulib module mkstemp for portability"), \
235 # if @REPLACE_PUTENV@
237 # define putenv rpl_putenv
238 extern int putenv (char *string);
243 #if @GNULIB_RANDOM_R@
244 # if !@HAVE_RANDOM_R@
247 # define RAND_MAX 2147483647
250 int srandom_r (unsigned int seed, struct random_data *rand_state);
251 int initstate_r (unsigned int seed, char *buf, size_t buf_size,
252 struct random_data *rand_state);
253 int setstate_r (char *arg_state, struct random_data *rand_state);
254 int random_r (struct random_data *buf, int32_t *result);
256 #elif defined GNULIB_POSIXCHECK
258 # define random_r(b,r) \
259 (GL_LINK_WARNING ("random_r is unportable - " \
260 "use gnulib module random_r for portability"), \
263 # define initstate_r(s,b,sz,r) \
264 (GL_LINK_WARNING ("initstate_r is unportable - " \
265 "use gnulib module random_r for portability"), \
266 initstate_r (s,b,sz,r))
268 # define srandom_r(s,r) \
269 (GL_LINK_WARNING ("srandom_r is unportable - " \
270 "use gnulib module random_r for portability"), \
273 # define setstate_r(a,r) \
274 (GL_LINK_WARNING ("setstate_r is unportable - " \
275 "use gnulib module random_r for portability"), \
282 /* Test a user response to a question.
283 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
284 extern int rpmatch (const char *response);
286 #elif defined GNULIB_POSIXCHECK
288 # define rpmatch(r) \
289 (GL_LINK_WARNING ("rpmatch is unportable - " \
290 "use gnulib module rpmatch for portability"), \
297 /* Set NAME to VALUE in the environment.
298 If REPLACE is nonzero, overwrite an existing value. */
299 extern int setenv (const char *name, const char *value, int replace);
304 #if @GNULIB_UNSETENV@
307 /* On some systems, unsetenv() returns void.
308 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
309 # define unsetenv(name) ((unsetenv)(name), 0)
312 /* Remove the variable NAME from the environment. */
313 extern int unsetenv (const char *name);
319 # if @REPLACE_STRTOD@
320 # define strtod rpl_strtod
322 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
323 /* Parse a double from STRING, updating ENDP if appropriate. */
324 extern double strtod (const char *str, char **endp);
326 #elif defined GNULIB_POSIXCHECK
328 # define strtod(s, e) \
329 (GL_LINK_WARNING ("strtod is unportable - " \
330 "use gnulib module strtod for portability"), \
337 /* Parse a signed integer whose textual representation starts at STRING.
338 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
339 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
341 If ENDPTR is not NULL, the address of the first byte after the integer is
343 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
345 extern long long strtoll (const char *string, char **endptr, int base);
347 #elif defined GNULIB_POSIXCHECK
349 # define strtoll(s,e,b) \
350 (GL_LINK_WARNING ("strtoll is unportable - " \
351 "use gnulib module strtoll for portability"), \
356 #if @GNULIB_STRTOULL@
357 # if !@HAVE_STRTOULL@
358 /* Parse an unsigned integer whose textual representation starts at STRING.
359 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
360 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
362 If ENDPTR is not NULL, the address of the first byte after the integer is
364 Upon overflow, the return value is ULLONG_MAX, and errno is set to
366 extern unsigned long long strtoull (const char *string, char **endptr, int base);
368 #elif defined GNULIB_POSIXCHECK
370 # define strtoull(s,e,b) \
371 (GL_LINK_WARNING ("strtoull is unportable - " \
372 "use gnulib module strtoull for portability"), \
381 #endif /* _GL_STDLIB_H */
382 #endif /* _GL_STDLIB_H */