/* Perform additional initialization for getopt functions in GNU libc.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
#include <unistd.h>
#include <sys/types.h>
-#include "../stdio-common/_itoa.h"
+#include <stdio-common/_itoa.h>
/* Variable to synchronize work. */
char *__getopt_nonoption_flags;
-extern pid_t __libc_pid;
-
/* Remove the environment variable "_<PID>_GNU_nonoption_argv_flags_" if
it is still available. If the getopt functions are also used in the
application it does not exist anymore since it was saved for the use
in getopt. */
void
-__getopt_clean_environment (void)
+__getopt_clean_environment (char **env)
{
/* Bash 2.0 puts a special variable in the environment for each
command it runs, specifying which ARGV elements are the results
of file name wildcard expansion and therefore should not be
considered as options. */
- static const char envvar_tail[] = "_GNU_nonoption_argv_flags_";
+ static const char envvar_tail[] = "_GNU_nonoption_argv_flags_=";
char var[100];
char *cp, **ep;
size_t len;
- /* Generate name of the environment variable. We must know the PID
- and we must not use `sprintf'. */
- if (__libc_pid == 0)
- __libc_pid = getpid ();
-
- /* Construct "_<PID>_GNU_nonoption_argv_flags_" string. */
+ /* Construct the "_<PID>_GNU_nonoption_argv_flags_=" string. We must
+ not use `sprintf'. */
cp = memcpy (&var[sizeof (var) - sizeof (envvar_tail)], envvar_tail,
sizeof (envvar_tail));
- cp = _itoa_word (__libc_pid, cp, 10, 0);
+ cp = _itoa_word (__getpid (), cp, 10, 0);
*--cp = '_';
len = (var + sizeof (var) - 1) - cp;
- for (ep = __environ; *ep != NULL; ++ep)
- if (!strncmp (*ep, cp, len) && (*ep)[len] == '=')
+ for (ep = env; *ep != NULL; ++ep)
+ if (!strncmp (*ep, cp, len))
{
/* Found it. Store this pointer and move later ones back. */
char **dp = ep;
- __getopt_nonoption_flags = &(*ep)[len + 1];
+ __getopt_nonoption_flags = &(*ep)[len];
do
dp[0] = dp[1];
while (*dp++);