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/>. */
18 @PRAGMA_SYSTEM_HEADER@
20 #if defined __need_malloc_and_calloc
21 /* Special invocation convention inside glibc header files. */
23 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
26 /* Normal invocation convention. */
30 /* The include_next requires a split double-inclusion guard. */
31 #@INCLUDE_NEXT@ @NEXT_STDLIB_H@
37 /* The definition of GL_LINK_WARNING is copied here. */
40 /* Some systems do not define EXIT_*, despite otherwise supporting C89. */
42 # define EXIT_SUCCESS 0
44 /* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
45 with proper operation of xargs. */
47 # define EXIT_FAILURE 1
48 #elif EXIT_FAILURE != 1
50 # define EXIT_FAILURE 1
59 #if @GNULIB_MALLOC_POSIX@
60 # if !@HAVE_MALLOC_POSIX@
62 # define malloc rpl_malloc
63 extern void * malloc (size_t size);
65 #elif defined GNULIB_POSIXCHECK
68 (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
69 "use gnulib module malloc-posix for portability"), \
74 #if @GNULIB_REALLOC_POSIX@
75 # if !@HAVE_REALLOC_POSIX@
77 # define realloc rpl_realloc
78 extern void * realloc (void *ptr, size_t size);
80 #elif defined GNULIB_POSIXCHECK
82 # define realloc(p,s) \
83 (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
84 "use gnulib module realloc-posix for portability"), \
89 #if @GNULIB_CALLOC_POSIX@
90 # if !@HAVE_CALLOC_POSIX@
92 # define calloc rpl_calloc
93 extern void * calloc (size_t nmemb, size_t size);
95 #elif defined GNULIB_POSIXCHECK
97 # define calloc(n,s) \
98 (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
99 "use gnulib module calloc-posix for portability"), \
104 #if @GNULIB_GETSUBOPT@
105 /* Assuming *OPTIONP is a comma separated list of elements of the form
106 "token" or "token=value", getsubopt parses the first of these elements.
107 If the first element refers to a "token" that is member of the given
108 NULL-terminated array of tokens:
109 - It replaces the comma with a NUL byte, updates *OPTIONP to point past
110 the first option and the comma, sets *VALUEP to the value of the
111 element (or NULL if it doesn't contain an "=" sign),
112 - It returns the index of the "token" in the given array of tokens.
113 Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
114 For more details see the POSIX:2001 specification.
115 http://www.opengroup.org/susv3xsh/getsubopt.html */
116 # if !@HAVE_GETSUBOPT@
117 extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
119 #elif defined GNULIB_POSIXCHECK
121 # define getsubopt(o,t,v) \
122 (GL_LINK_WARNING ("getsubopt is unportable - " \
123 "use gnulib module getsubopt for portability"), \
130 /* Create a unique temporary directory from TEMPLATE.
131 The last six characters of TEMPLATE must be "XXXXXX";
132 they are replaced with a string that makes the directory name unique.
133 Returns TEMPLATE, or a null pointer if it cannot get a unique name.
134 The directory is created mode 700. */
135 extern char * mkdtemp (char * /*template*/);
137 #elif defined GNULIB_POSIXCHECK
139 # define mkdtemp(t) \
140 (GL_LINK_WARNING ("mkdtemp is unportable - " \
141 "use gnulib module mkdtemp for portability"), \
147 # if @REPLACE_MKSTEMP@
148 /* Create a unique temporary file from TEMPLATE.
149 The last six characters of TEMPLATE must be "XXXXXX";
150 they are replaced with a string that makes the file name unique.
151 The file is then created, ensuring it didn't exist before.
152 The file is created read-write (mask at least 0600 & ~umask), but it may be
153 world-readable and world-writable (mask 0666 & ~umask), depending on the
155 Returns the open file descriptor if successful, otherwise -1 and errno
157 # define mkstemp rpl_mkstemp
158 extern int mkstemp (char * /*template*/);
160 /* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
163 #elif defined GNULIB_POSIXCHECK
165 # define mkstemp(t) \
166 (GL_LINK_WARNING ("mkstemp is unportable - " \
167 "use gnulib module mkstemp for portability"), \
173 # if @REPLACE_PUTENV@
175 # define putenv rpl_putenv
176 extern int putenv (char *string);
183 /* Test a user response to a question.
184 Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
185 extern int rpmatch (const char *response);
187 #elif defined GNULIB_POSIXCHECK
189 # define rpmatch(r) \
190 (GL_LINK_WARNING ("rpmatch is unportable - " \
191 "use gnulib module rpmatch for portability"), \
198 /* Set NAME to VALUE in the environment.
199 If REPLACE is nonzero, overwrite an existing value. */
200 extern int setenv (const char *name, const char *value, int replace);
205 #if @GNULIB_UNSETENV@
208 /* On some systems, unsetenv() returns void.
209 This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
210 # define unsetenv(name) ((unsetenv)(name), 0)
213 /* Remove the variable NAME from the environment. */
214 extern int unsetenv (const char *name);
220 # if @REPLACE_STRTOD@
221 # define strtod rpl_strtod
223 # if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
224 /* Parse a double from STRING, updating ENDP if appropriate. */
225 extern double strtod (const char *str, char **endp);
227 #elif defined GNULIB_POSIXCHECK
229 # define strtod(s, e) \
230 (GL_LINK_WARNING ("strtod is unportable - " \
231 "use gnulib module strtod for portability"), \
240 #endif /* _GL_STDLIB_H */
241 #endif /* _GL_STDLIB_H */