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209 lines
6.1 KiB
C
209 lines
6.1 KiB
C
/* A GNU-like <stdlib.h>.
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Copyright (C) 1995, 2001-2004, 2006-2007 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if defined __need_malloc_and_calloc
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/* Special invocation convention inside glibc header files. */
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#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
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#else
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/* Normal invocation convention. */
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#ifndef _GL_STDLIB_H
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/* The include_next requires a split double-inclusion guard. */
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#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
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#ifndef _GL_STDLIB_H
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#define _GL_STDLIB_H
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/* The definition of GL_LINK_WARNING is copied here. */
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/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
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#ifndef EXIT_SUCCESS
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# define EXIT_SUCCESS 0
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#endif
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/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
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with proper operation of xargs. */
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#ifndef EXIT_FAILURE
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# define EXIT_FAILURE 1
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#elif EXIT_FAILURE != 1
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# undef EXIT_FAILURE
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# define EXIT_FAILURE 1
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if @GNULIB_MALLOC_POSIX@
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# if !@HAVE_MALLOC_POSIX@
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# undef malloc
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# define malloc rpl_malloc
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extern void * malloc (size_t size);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef malloc
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# define malloc(s) \
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(GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
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"use gnulib module malloc-posix for portability"), \
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malloc (s))
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#endif
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#if @GNULIB_REALLOC_POSIX@
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# if !@HAVE_REALLOC_POSIX@
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# undef realloc
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# define realloc rpl_realloc
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extern void * realloc (void *ptr, size_t size);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef realloc
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# define realloc(p,s) \
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(GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
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"use gnulib module realloc-posix for portability"), \
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realloc (p, s))
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#endif
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#if @GNULIB_CALLOC_POSIX@
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# if !@HAVE_CALLOC_POSIX@
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# undef calloc
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# define calloc rpl_calloc
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extern void * calloc (size_t nmemb, size_t size);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef calloc
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# define calloc(n,s) \
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(GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
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"use gnulib module calloc-posix for portability"), \
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calloc (n, s))
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#endif
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#if @GNULIB_GETSUBOPT@
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/* Assuming *OPTIONP is a comma separated list of elements of the form
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"token" or "token=value", getsubopt parses the first of these elements.
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If the first element refers to a "token" that is member of the given
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NULL-terminated array of tokens:
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- It replaces the comma with a NUL byte, updates *OPTIONP to point past
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the first option and the comma, sets *VALUEP to the value of the
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element (or NULL if it doesn't contain an "=" sign),
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- It returns the index of the "token" in the given array of tokens.
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Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
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For more details see the POSIX:2001 specification.
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http://www.opengroup.org/susv3xsh/getsubopt.html */
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# if !@HAVE_GETSUBOPT@
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extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef getsubopt
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# define getsubopt(o,t,v) \
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(GL_LINK_WARNING ("getsubopt is unportable - " \
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"use gnulib module getsubopt for portability"), \
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getsubopt (o, t, v))
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#endif
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#if @GNULIB_MKDTEMP@
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# if !@HAVE_MKDTEMP@
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/* Create a unique temporary directory from TEMPLATE.
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The last six characters of TEMPLATE must be "XXXXXX";
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they are replaced with a string that makes the directory name unique.
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Returns TEMPLATE, or a null pointer if it cannot get a unique name.
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The directory is created mode 700. */
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extern char * mkdtemp (char * /*template*/);
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef mkdtemp
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# define mkdtemp(t) \
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(GL_LINK_WARNING ("mkdtemp is unportable - " \
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"use gnulib module mkdtemp for portability"), \
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mkdtemp (t))
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#endif
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#if @GNULIB_MKSTEMP@
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# if @REPLACE_MKSTEMP@
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/* Create a unique temporary file from TEMPLATE.
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The last six characters of TEMPLATE must be "XXXXXX";
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they are replaced with a string that makes the file name unique.
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The file is then created, ensuring it didn't exist before.
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The file is created read-write (mask at least 0600 & ~umask), but it may be
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world-readable and world-writable (mask 0666 & ~umask), depending on the
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implementation.
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Returns the open file descriptor if successful, otherwise -1 and errno
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set. */
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# define mkstemp rpl_mkstemp
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extern int mkstemp (char * /*template*/);
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# else
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/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
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# include <unistd.h>
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# endif
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#elif defined GNULIB_POSIXCHECK
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# undef mkstemp
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# define mkstemp(t) \
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(GL_LINK_WARNING ("mkstemp is unportable - " \
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"use gnulib module mkstemp for portability"), \
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mkstemp (t))
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#endif
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#if @GNULIB_PUTENV@
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# if @REPLACE_PUTENV@
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# undef putenv
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# define putenv rpl_putenv
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extern int putenv (char *string);
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# endif
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#endif
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#if @GNULIB_SETENV@
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# if !@HAVE_SETENV@
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/* Set NAME to VALUE in the environment.
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If REPLACE is nonzero, overwrite an existing value. */
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extern int setenv (const char *name, const char *value, int replace);
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# endif
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#endif
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#if @GNULIB_UNSETENV@
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# if @HAVE_UNSETENV@
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# if @VOID_UNSETENV@
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/* On some systems, unsetenv() returns void.
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This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
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# define unsetenv(name) ((unsetenv)(name), 0)
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# endif
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# else
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/* Remove the variable NAME from the environment. */
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extern int unsetenv (const char *name);
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# endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GL_STDLIB_H */
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#endif /* _GL_STDLIB_H */
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#endif
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