1 /* A GNU-like <stdlib.h>.
3 Copyright (C) 1995, 2001-2004, 2006-2008 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 /* The definition of GL_LINK_WARNING is copied here. */
47 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
49 # define EXIT_SUCCESS 0
51 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
52 with proper operation of xargs. */
54 # define EXIT_FAILURE 1
55 #elif EXIT_FAILURE != 1
57 # define EXIT_FAILURE 1
66 #if @GNULIB_MALLOC_POSIX@
67 # if !@HAVE_MALLOC_POSIX@
69 # define malloc rpl_malloc
70 extern void * malloc (size_t size);
72 #elif defined GNULIB_POSIXCHECK
75 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
76 "use gnulib module malloc-posix for portability"), \
81 #if @GNULIB_REALLOC_POSIX@
82 # if !@HAVE_REALLOC_POSIX@
84 # define realloc rpl_realloc
85 extern void * realloc (void *ptr, size_t size);
87 #elif defined GNULIB_POSIXCHECK
89 # define realloc(p,s) \
90 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
91 "use gnulib module realloc-posix for portability"), \
96 #if @GNULIB_CALLOC_POSIX@
97 # if !@HAVE_CALLOC_POSIX@
99 # define calloc rpl_calloc
100 extern void * calloc (size_t nmemb, size_t size);
102 #elif defined GNULIB_POSIXCHECK
104 # define calloc(n,s) \
105 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
106 "use gnulib module calloc-posix for portability"), \
113 /* Parse a signed decimal integer.
114 Returns the value of the integer. Errors are not detected. */
115 extern long long atoll (const char *string);
117 #elif defined GNULIB_POSIXCHECK
120 (GL_LINK_WARNING ("atoll is unportable - " \
121 "use gnulib module atoll for portability"), \
126 #if @GNULIB_GETLOADAVG@
127 # if !@HAVE_DECL_GETLOADAVG@
128 /* Store max(NELEM,3) load average numbers in LOADAVG[].
129 The three numbers are the load average of the last 1 minute, the last 5
130 minutes, and the last 15 minutes, respectively.
131 LOADAVG is an array of NELEM numbers. */
132 extern int getloadavg (double loadavg[], int nelem);
134 #elif defined GNULIB_POSIXCHECK
136 # define getloadavg(l,n) \
137 (GL_LINK_WARNING ("getloadavg is not portable - " \
138 "use gnulib module getloadavg for portability"), \
143 #if @GNULIB_GETSUBOPT@
144 /* Assuming *OPTIONP is a comma separated list of elements of the form
145 "token" or "token=value", getsubopt parses the first of these elements.
146 If the first element refers to a "token" that is member of the given
147 NULL-terminated array of tokens:
148 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
149 the first option and the comma, sets *VALUEP to the value of the
150 element (or NULL if it doesn't contain an "=" sign),
151 - It returns the index of the "token" in the given array of tokens.
152 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
153 For more details see the POSIX:2001 specification.
154 http://www.opengroup.org/susv3xsh/getsubopt.html */
155 # if !@HAVE_GETSUBOPT@
156 extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
158 #elif defined GNULIB_POSIXCHECK
160 # define getsubopt(o,t,v) \
161 (GL_LINK_WARNING ("getsubopt is unportable - " \
162 "use gnulib module getsubopt for portability"), \
169 /* Create a unique temporary directory from TEMPLATE.
170 The last six characters of TEMPLATE must be "XXXXXX";
171 they are replaced with a string that makes the directory name unique.
172 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
173 The directory is created mode 700. */
174 extern char * mkdtemp (char * /*template*/);
176 #elif defined GNULIB_POSIXCHECK
178 # define mkdtemp(t) \
179 (GL_LINK_WARNING ("mkdtemp is unportable - " \
180 "use gnulib module mkdtemp for portability"), \
186 # if @REPLACE_MKSTEMP@
187 /* Create a unique temporary file from TEMPLATE.
188 The last six characters of TEMPLATE must be "XXXXXX";
189 they are replaced with a string that makes the file name unique.
190 The file is then created, ensuring it didn't exist before.
191 The file is created read-write (mask at least 0600 & ~umask), but it may be
192 world-readable and world-writable (mask 0666 & ~umask), depending on the
194 Returns the open file descriptor if successful, otherwise -1 and errno
196 # define mkstemp rpl_mkstemp
197 extern int mkstemp (char * /*template*/);
199 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
202 #elif defined GNULIB_POSIXCHECK
204 # define mkstemp(t) \
205 (GL_LINK_WARNING ("mkstemp is unportable - " \
206 "use gnulib module mkstemp for portability"), \
212 # if @REPLACE_PUTENV@
214 # define putenv rpl_putenv
215 extern int putenv (char *string);
222 /* Test a user response to a question.
223 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
224 extern int rpmatch (const char *response);
226 #elif defined GNULIB_POSIXCHECK
228 # define rpmatch(r) \
229 (GL_LINK_WARNING ("rpmatch is unportable - " \
230 "use gnulib module rpmatch for portability"), \
237 /* Set NAME to VALUE in the environment.
238 If REPLACE is nonzero, overwrite an existing value. */
239 extern int setenv (const char *name, const char *value, int replace);
244 #if @GNULIB_UNSETENV@
247 /* On some systems, unsetenv() returns void.
248 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
249 # define unsetenv(name) ((unsetenv)(name), 0)
252 /* Remove the variable NAME from the environment. */
253 extern int unsetenv (const char *name);
259 # if @REPLACE_STRTOD@
260 # define strtod rpl_strtod
262 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
263 /* Parse a double from STRING, updating ENDP if appropriate. */
264 extern double strtod (const char *str, char **endp);
266 #elif defined GNULIB_POSIXCHECK
268 # define strtod(s, e) \
269 (GL_LINK_WARNING ("strtod is unportable - " \
270 "use gnulib module strtod for portability"), \
277 /* Parse a signed integer whose textual representation starts at STRING.
278 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
279 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
281 If ENDPTR is not NULL, the address of the first byte after the integer is
283 Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
285 extern long long strtoll (const char *string, char **endptr, int base);
287 #elif defined GNULIB_POSIXCHECK
289 # define strtoll(s,e,b) \
290 (GL_LINK_WARNING ("strtoll is unportable - " \
291 "use gnulib module strtoll for portability"), \
296 #if @GNULIB_STRTOULL@
297 # if !@HAVE_STRTOULL@
298 /* Parse an unsigned integer whose textual representation starts at STRING.
299 The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
300 it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
302 If ENDPTR is not NULL, the address of the first byte after the integer is
304 Upon overflow, the return value is ULLONG_MAX, and errno is set to
306 extern unsigned long long strtoull (const char *string, char **endptr, int base);
308 #elif defined GNULIB_POSIXCHECK
310 # define strtoull(s,e,b) \
311 (GL_LINK_WARNING ("strtoull is unportable - " \
312 "use gnulib module strtoull for portability"), \
321 #endif /* _GL_STDLIB_H */
322 #endif /* _GL_STDLIB_H */