2018-01-03 11:03:58 +01:00
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/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
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1999-05-26 05:13:18 +02:00
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This file based on putenv.c in the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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2005-05-10 17:33:18 +02:00
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write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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1999-05-26 05:13:18 +02:00
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configure.in (MAKEINFO, PERL): Detect these.
* configure.in (MAKEINFO, PERL): Detect these.
(--enable-maintainer-mode): Add.
* configure: Regenerate.
* Makefile.in (MAKEINFO, PERL): Define.
(libiberty.info, libiberty.dvi, libiberty.html): New.
(CFILES): Add bsearch.c.
(CONFIGURED_OFILES): New, list of objects configure might add.
(maint-missing, maint-buildall): New, for maintainers only.
(clean, mostlyclean): Add info/dvi/html files.
* libiberty.texi, copying-lib.texi, obstacks.texi, functions.texi: New.
* gather-docs: New, for maintainers.
* maint-tool: New, for maintainers.
* alloca.c, atexit.c, basename.c, bcmp.c, bcopy.c, bsearch.c,
bzero.c, calloc.c, clock.c, configure.in, configure, getcwd.c,
getpagesize.c, getpwd.c, index.c, memchr.c, memcmp.c, memcpy.c,
memmove.c, memset.c, putenv.c, rename.c, rindex.c, setenv.c,
sigsetmask.c, strcasecmp.c, strchr.c, strdup.c, strerror.c,
strncasecmp.c, strncmp.c, strrchr.c, strstr.c, strtod.c, strtol.c,
tmpnam.c, vfork.c, vprintf.c, waitpid.c, xatexit.c, xexit.c,
xmalloc.c, xmemdup.c, xstrdup.c, xstrerror.c: Add or update
documentation.
Co-Authored-By: Phil Edwards <pedwards@disaster.jaj.com>
From-SVN: r45828
2001-09-26 20:16:17 +02:00
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/*
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@deftypefn Supplemental int putenv (const char *@var{string})
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Uses @code{setenv} or @code{unsetenv} to put @var{string} into
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the environment or remove it. If @var{string} is of the form
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alloca.c, [...]: Improve manual formatting.
* alloca.c, clock.c, getcwd.c, getpagesize.c, getpwd.c, index.c,
libiberty.texi, memchr.c, putenv.c, rindex.c, strchr.c, strdup.c,
strerror.c, strrchr.c, strstr.c, strtod.c, tmpnam.c, vfork.c,
xatexit.c, xmalloc.c, xstrerror.c: Improve manual formatting. Fix
spelling. Give names to function arguments in documentation. Use
(void) prototypes in documentation.
* functions.texi: Regenerate.
From-SVN: r46068
2001-10-07 23:53:31 +02:00
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@samp{name=value} the string is added; if no @samp{=} is present the
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configure.in (MAKEINFO, PERL): Detect these.
* configure.in (MAKEINFO, PERL): Detect these.
(--enable-maintainer-mode): Add.
* configure: Regenerate.
* Makefile.in (MAKEINFO, PERL): Define.
(libiberty.info, libiberty.dvi, libiberty.html): New.
(CFILES): Add bsearch.c.
(CONFIGURED_OFILES): New, list of objects configure might add.
(maint-missing, maint-buildall): New, for maintainers only.
(clean, mostlyclean): Add info/dvi/html files.
* libiberty.texi, copying-lib.texi, obstacks.texi, functions.texi: New.
* gather-docs: New, for maintainers.
* maint-tool: New, for maintainers.
* alloca.c, atexit.c, basename.c, bcmp.c, bcopy.c, bsearch.c,
bzero.c, calloc.c, clock.c, configure.in, configure, getcwd.c,
getpagesize.c, getpwd.c, index.c, memchr.c, memcmp.c, memcpy.c,
memmove.c, memset.c, putenv.c, rename.c, rindex.c, setenv.c,
sigsetmask.c, strcasecmp.c, strchr.c, strdup.c, strerror.c,
strncasecmp.c, strncmp.c, strrchr.c, strstr.c, strtod.c, strtol.c,
tmpnam.c, vfork.c, vprintf.c, waitpid.c, xatexit.c, xexit.c,
xmalloc.c, xmemdup.c, xstrdup.c, xstrerror.c: Add or update
documentation.
Co-Authored-By: Phil Edwards <pedwards@disaster.jaj.com>
From-SVN: r45828
2001-09-26 20:16:17 +02:00
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name is unset/removed.
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@end deftypefn
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*/
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1999-05-26 05:13:18 +02:00
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#if defined (_AIX) && !defined (__GNUC__)
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#pragma alloca
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#endif
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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1999-05-28 09:34:48 +02:00
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#include "ansidecl.h"
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2002-01-22 21:03:29 +01:00
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#define putenv libiberty_putenv
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1999-05-26 05:13:18 +02:00
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#if HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#if HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#else
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# ifndef alloca
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# ifdef __GNUC__
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# define alloca __builtin_alloca
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# else
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extern char *alloca ();
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# endif /* __GNUC__ */
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# endif /* alloca */
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#endif /* HAVE_ALLOCA_H */
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2002-01-22 21:03:29 +01:00
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#undef putenv
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1999-05-26 05:13:18 +02:00
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/* Below this point, it's verbatim code from the glibc-2.0 implementation */
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/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
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int
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partition.h: Remove use of PARAMS.
include/
2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net>
* partition.h: Remove use of PARAMS.
* obstack.h: Remove conditional prototypes __STDC__.
* objalloc.h: Remove use of PARAMS.
* splay-tree.h: Likewise.
libiberty/
2005-03-27 Gabriel Dos Reis <gdr@integrable-solutions.net>
Convert libiberty to use ISO C prototype style 5/n.
* random.c (srandom, initstate, setstate, random): Use ISO C
prototypes.
* putenv.c (putenv): Likewise.
* physmem.c (physmem_available, physmem_total, main):
Likewise.
* pex-win32.c (fix_argv, pexecute, pwait): Likewise.
* pex-unix.c (pexecute, pwait): Likewise.
* pex-msdos.c (pexecute, pwait): Likewise.
* pex-djgpp.c (pexecute, pwait): Likewise.
* partition.c (partition_new, partition_delete,
partition_union)
(elem_compare, partition_print): Likewise.
* obstack.c (_obstack_begin, _obstack_begin_1,
_obstack_newchunk,
_obstack_allocated_p, _obstack_free, obstack_free,
_obstack_memory_used, print_and_abort, obstack_next_free,
obstack_object_size, obstack_base): Likewise. Remove codes
predicated on !defined(__STDC__).
* objalloc.c (objalloc_create, _objalloc_alloc, objalloc_free,
objalloc_free_block): Use ISO C prototypes.
* mkstemps.c (mkstemps): Likewise.
* memset.c (memset): Likewise.
* mempcpy.c (mempcpy): Likewise.
* rename.c (rename): Likewise.
* rindex.c (rindex): Likewise.
* setenv.c (setenv, unsetenv): Likewise.
* sigsetmask.c (sigsetmask): Likewise.
* snprintf.c (snprintf): Likewise.
* sort.c (sort_pointers, xmalloc): Likewise.
* spaces.c (spaces): Likewise.
* splay-tree.c (splay_tree_delete_helper,
splay_tree_splay_helper, splay_tree_splay,
splay_tree_foreach_helper, splay_tree_xmalloc_allocate,
splay_tree_new, splay_tree_xmalloc_allocate,
splay_tree_new_with_allocator, splay_tree_delete,
splay_tree_insert, splay_tree_remove, splay_tree_lookup,
splay_tree_max, splay_tree_min, splay_tree_predecessor,
splay_tree_successor, splay_tree_foreach,
splay_tree_compare_ints, splay_tree_compare_pointers):
Likewise.
* stpcpy.c (stpcpy): Likewise.
* stpncpy.c (stpncpy): Likewise.
* strcasecmp.c (strcasecmp): Likewise.
* strchr.c (strchr): Likewise.
* strdup.c (strdup): Likewise.
From-SVN: r97125
2005-03-28 06:22:33 +02:00
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putenv (const char *string)
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1999-05-26 05:13:18 +02:00
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{
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const char *const name_end = strchr (string, '=');
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if (name_end)
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{
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1999-05-28 09:34:48 +02:00
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char *name = (char *) alloca (name_end - string + 1);
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1999-05-26 05:13:18 +02:00
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memcpy (name, string, name_end - string);
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name[name_end - string] = '\0';
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return setenv (name, name_end + 1, 1);
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}
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unsetenv (string);
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return 0;
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}
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