diff options
Diffstat (limited to 'elf/dl-environ.c')
-rw-r--r-- | elf/dl-environ.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/elf/dl-environ.c b/elf/dl-environ.c deleted file mode 100644 index 089e89e6e7..0000000000 --- a/elf/dl-environ.c +++ /dev/null @@ -1,86 +0,0 @@ -/* Environment handling for dynamic loader. - Copyright (C) 1995-1998, 2000, 2001, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <ldsodefs.h> - -/* Walk through the environment of the process and return all entries - starting with `LD_'. */ -char * -internal_function -_dl_next_ld_env_entry (char ***position) -{ - char **current = *position; - char *result = NULL; - - while (*current != NULL) - { - if (__builtin_expect ((*current)[0] == 'L', 0) - && (*current)[1] == 'D' && (*current)[2] == '_') - { - result = &(*current)[3]; - - /* Save current position for next visit. */ - *position = ++current; - - break; - } - - ++current; - } - - return result; -} - - -/* In ld.so __environ is not exported. */ -extern char **__environ attribute_hidden; - -int -unsetenv (const char *name) -{ - char **ep; - - ep = __environ; - while (*ep != NULL) - { - size_t cnt = 0; - - while ((*ep)[cnt] == name[cnt] && name[cnt] != '\0') - ++cnt; - - if (name[cnt] == '\0' && (*ep)[cnt] == '=') - { - /* Found it. Remove this pointer by moving later ones to - the front. */ - char **dp = ep; - - do - dp[0] = dp[1]; - while (*dp++); - /* Continue the loop in case NAME appears again. */ - } - else - ++ep; - } - - return 0; -} |