-/* Copyright (C) 1991 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1994, 1997, 1998, 2000 Free Software Foundation, Inc.
-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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
#include <sys/types.h>
+
+/* Include errno.h *after* sys/types.h to work around header problems
+ on AIX 3.2.5. */
#include <errno.h>
-#ifdef STDC_HEADERS
-#include <stdlib.h>
-#else
-extern int errno;
-#endif
-#if defined(STDC_HEADERS) || defined(USG)
-#include <string.h>
-#ifndef index
-#define index strchr
+/* Don't include stdlib.h because some (e.g., Solaris 2.7) declare putenv
+ with a non-const argument. That would conflict with the declaration of
+ rpl_putenv below (due to the #define putenv rpl_putenv from config.h). */
+
+char *malloc ();
+void free ();
+
+#if defined (__GNU_LIBRARY__) || defined (HAVE_STRING_H)
+# include <string.h>
#endif
-#ifndef bcopy
-#define bcopy(s, d, n) memcpy((d), (s), (n))
+#if defined (__GNU_LIBRARY__) || defined (HAVE_UNISTD_H)
+# include <unistd.h>
#endif
-#else /* not (STDC_HEADERS or USG) */
-#include <strings.h>
-#endif /* STDC_HEADERS or USG */
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if !defined (__GNU_LIBRARY__) && !defined (HAVE_STRCHR)
+# define strchr index
+#endif
+#if !defined (__GNU_LIBRARY__) && !defined (HAVE_MEMCPY)
+# define memcpy(d,s,n) bcopy ((s), (d), (n))
#endif
-#ifndef NULL
-#define NULL 0
+#if HAVE_GNU_LD
+# define environ __environ
+#else
+extern char **environ;
#endif
-#if !__STDC__
-#define const
+#ifndef NULL
+# define NULL 0
#endif
-extern char **environ;
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
-putenv (string)
- const char *string;
+rpl_putenv (const char *string)
{
- char *name_end = index (string, '=');
+ const char *const name_end = strchr (string, '=');
register size_t size;
register char **ep;
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 ((void *) new_environ, (void *) environ,
+ size * sizeof (char *));
new_environ[size] = (char *) string;
new_environ[size + 1] = NULL;
if (last_environ != NULL)
- free ((char *) last_environ);
+ free ((void *) last_environ);
last_environ = new_environ;
environ = new_environ;
}