/* Copyright (C) 1991 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 Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+NOTE: The canonical source of this file is maintained with the GNU C Library.
+Bugs can be reported to bug-glibc@prep.ai.mit.edu.
-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
-Library General Public License for more details.
+This program is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+This program 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 General Public License for more details.
-#ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
-#include <config.h>
-#else
-#include "config.h"
-#endif
-#endif
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-#include <sys/types.h>
+#include <ansidecl.h>
#include <errno.h>
-
-/* This needs to come after some library #include
- to get __GNU_LIBRARY__ defined. */
-#ifdef __GNU_LIBRARY__
-/* Don't include stdlib.h for non-GNU C libraries because some of them
- contain conflicting prototypes for getopt. */
#include <stdlib.h>
-#else
-char *malloc ();
-#endif /* GNU C library. */
-
-#ifndef STDC_HEADERS
-extern int errno;
-#endif
-
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
#include <string.h>
-#ifndef index
-#define index strchr
-#endif
-#ifndef bcopy
-#define bcopy(s, d, n) memcpy((d), (s), (n))
-#endif
-#else
-#include <strings.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
-#ifndef NULL
-#define NULL 0
+#ifndef HAVE_GNU_LD
+#define __environ environ
#endif
-extern char **environ;
-
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
-putenv (string)
- const char *string;
+DEFUN(putenv, (string), CONST char *string)
{
- char *name_end = index (string, '=');
+ CONST char *CONST name_end = strchr(string, '=');
register size_t size;
register char **ep;
if (name_end == NULL)
{
/* Remove the variable from the environment. */
- size = strlen (string);
- for (ep = environ; *ep != NULL; ++ep)
- if (!strncmp (*ep, string, size) && (*ep)[size] == '=')
+ size = strlen(string);
+ for (ep = __environ; *ep != NULL; ++ep)
+ if (!strncmp(*ep, string, size) && (*ep)[size] == '=')
{
while (ep[1] != NULL)
{
}
size = 0;
- for (ep = environ; *ep != NULL; ++ep)
- if (!strncmp (*ep, string, name_end - string) &&
+ for (ep = __environ; *ep != NULL; ++ep)
+ if (!strncmp(*ep, string, name_end - string) &&
(*ep)[name_end - string] == '=')
break;
else
if (*ep == NULL)
{
static char **last_environ = NULL;
- char **new_environ = (char **) malloc ((size + 2) * sizeof (char *));
+ char **new_environ = (char **) malloc((size + 2) * sizeof(char *));
if (new_environ == NULL)
return -1;
- (void) bcopy ((char *) environ, (char *) new_environ,
- size * sizeof (char *));
+ (void) memcpy((PTR) new_environ, (PTR) __environ, size * sizeof(char *));
new_environ[size] = (char *) string;
new_environ[size + 1] = NULL;
if (last_environ != NULL)
- free ((char *) last_environ);
+ free((PTR) last_environ);
last_environ = new_environ;
- environ = new_environ;
+ __environ = new_environ;
}
else
*ep = (char *) string;