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48896b9dba
2000-12-05 Andreas Jaeger <aj@suse.de> * elf/dl-misc.c (_dl_sysdep_read_whole_file): Mark as internal_function. * sysdeps/generic/dl-cache.c (_dl_load_cache_lookup): Likewise. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start_cleanup): Likewise. * sysdeps/generic/dl-cache.c: Remove declaration of _dl_sysdep_read_whole_file. * elf/dl-load.c (_dl_map_object): Remove declaration of _dl_load_cache_lookup. * sysdeps/generic/ldsodefs.h: Add declarations of _dl_load_cache_lookup, _dl_unload_cache, _dl_sysdep_read_whole_file, _dl_sysdep_start and _dl_sysdep_start_cleanup. * elf/rtld.c: Remove prototypes that are defined in ldsodefs.h now. * elf/dl-misc.c: Include <ldsodefs.h> to get prototypes. * sysdeps/generic/dl-environ.c: Likewise. * stdio-common/printf_fp.c: Include <gmp.h> instead of <stdlib/gmp.h>. * math/atest-exp.c: Likewise. * math/atest-exp2.c: Likewise. * math/atest-sincos.c: Likewise. * stdio-common/_itoa.c: Likewise. * stdio-common/_itowa.c: Likewise. * include/gmp.h: New file with internal prototypes. * sysdeps/generic/longjmp.c: Move _longjmp_unwind declaration from here to... * include/setjmp.h: ...here. * locale/Makefile (routines): Remove codeset_name since it's not needed anywhere. * locale/codeset_name.c: Removed.
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/* Environment handling for dynamic loader.
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Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
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This file is part of 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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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <string.h>
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#include <ldsodefs.h>
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extern char **_environ;
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/* Walk through the environment of the process and return all entries
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starting with `LD_'. */
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char *
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internal_function
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_dl_next_ld_env_entry (char ***position)
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{
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char **current = *position;
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char *result = NULL;
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if (current == NULL)
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/* We start over. */
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current = _environ;
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while (result == NULL && *current != NULL)
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{
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if ((*current)[0] == 'L' && (*current)[1] == 'D' && (*current)[2] == '_')
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result = *current;
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++current;
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}
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/* Save current position for next visit. */
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*position = current;
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return result;
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}
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void
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unsetenv (const char *name)
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{
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const size_t len = strlen (name);
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char **ep;
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ep = _environ;
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while (*ep != NULL)
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if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
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{
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/* Found it. Remove this pointer by moving later ones back. */
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char **dp = ep;
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do
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dp[0] = dp[1];
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while (*dp++);
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/* Continue the loop in case NAME appears again. */
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}
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else
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++ep;
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}
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