mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 04:50:07 +00:00
5a82c74822
Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* Environment handling for dynamic loader.
|
|
Copyright (C) 1995-2019 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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#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 *
|
|
_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;
|
|
}
|