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"), \
111 #if @GNULIB_GETLOADAVG@
112 # if !@HAVE_DECL_GETLOADAVG@
113 /* Store max(NELEM,3) load average numbers in LOADAVG[].
114 The three numbers are the load average of the last 1 minute, the last 5
115 minutes, and the last 15 minutes, respectively.
116 LOADAVG is an array of NELEM numbers. */
117 extern int getloadavg (double loadavg[], int nelem);
119 #elif defined GNULIB_POSIXCHECK
121 # define getloadavg(l,n) \
122 (GL_LINK_WARNING ("getloadavg is not portable - " \
123 "use gnulib module getloadavg for portability"), \
128 #if @GNULIB_GETSUBOPT@
129 /* Assuming *OPTIONP is a comma separated list of elements of the form
130 "token" or "token=value", getsubopt parses the first of these elements.
131 If the first element refers to a "token" that is member of the given
132 NULL-terminated array of tokens:
133 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
134 the first option and the comma, sets *VALUEP to the value of the
135 element (or NULL if it doesn't contain an "=" sign),
136 - It returns the index of the "token" in the given array of tokens.
137 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
138 For more details see the POSIX:2001 specification.
139 http://www.opengroup.org/susv3xsh/getsubopt.html */
140 # if !@HAVE_GETSUBOPT@
141 extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
143 #elif defined GNULIB_POSIXCHECK
145 # define getsubopt(o,t,v) \
146 (GL_LINK_WARNING ("getsubopt is unportable - " \
147 "use gnulib module getsubopt for portability"), \
154 /* Create a unique temporary directory from TEMPLATE.
155 The last six characters of TEMPLATE must be "XXXXXX";
156 they are replaced with a string that makes the directory name unique.
157 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
158 The directory is created mode 700. */
159 extern char * mkdtemp (char * /*template*/);
161 #elif defined GNULIB_POSIXCHECK
163 # define mkdtemp(t) \
164 (GL_LINK_WARNING ("mkdtemp is unportable - " \
165 "use gnulib module mkdtemp for portability"), \
171 # if @REPLACE_MKSTEMP@
172 /* Create a unique temporary file from TEMPLATE.
173 The last six characters of TEMPLATE must be "XXXXXX";
174 they are replaced with a string that makes the file name unique.
175 The file is then created, ensuring it didn't exist before.
176 The file is created read-write (mask at least 0600 & ~umask), but it may be
177 world-readable and world-writable (mask 0666 & ~umask), depending on the
179 Returns the open file descriptor if successful, otherwise -1 and errno
181 # define mkstemp rpl_mkstemp
182 extern int mkstemp (char * /*template*/);
184 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
187 #elif defined GNULIB_POSIXCHECK
189 # define mkstemp(t) \
190 (GL_LINK_WARNING ("mkstemp is unportable - " \
191 "use gnulib module mkstemp for portability"), \
197 # if @REPLACE_PUTENV@
199 # define putenv rpl_putenv
200 extern int putenv (char *string);
207 /* Test a user response to a question.
208 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
209 extern int rpmatch (const char *response);
211 #elif defined GNULIB_POSIXCHECK
213 # define rpmatch(r) \
214 (GL_LINK_WARNING ("rpmatch is unportable - " \
215 "use gnulib module rpmatch for portability"), \
222 /* Set NAME to VALUE in the environment.
223 If REPLACE is nonzero, overwrite an existing value. */
224 extern int setenv (const char *name, const char *value, int replace);
229 #if @GNULIB_UNSETENV@
232 /* On some systems, unsetenv() returns void.
233 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
234 # define unsetenv(name) ((unsetenv)(name), 0)
237 /* Remove the variable NAME from the environment. */
238 extern int unsetenv (const char *name);
244 # if @REPLACE_STRTOD@
245 # define strtod rpl_strtod
247 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
248 /* Parse a double from STRING, updating ENDP if appropriate. */
249 extern double strtod (const char *str, char **endp);
251 #elif defined GNULIB_POSIXCHECK
253 # define strtod(s, e) \
254 (GL_LINK_WARNING ("strtod is unportable - " \
255 "use gnulib module strtod for portability"), \
264 #endif /* _GL_STDLIB_H */
265 #endif /* _GL_STDLIB_H */