-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1997, 1998, 2000 Free Software Foundation, Inc.
- 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.
+ 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.
+
+ 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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#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>
-#ifndef errno
-extern int errno;
-#endif
-/* Don't include stdlib.h for non-GNU C libraries because some of them
- contain conflicting prototypes for getopt.
- This needs to come after some library #include
- to get __GNU_LIBRARY__ defined. */
-#ifdef __GNU_LIBRARY__
-#include <stdlib.h>
-#else
+/* 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 ();
-#endif /* GNU C library. */
+void free ();
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
-#include <string.h>
-#else
-#include <strings.h>
-#ifndef strchr
-#define strchr index
+#if defined (__GNU_LIBRARY__) || defined (HAVE_STRING_H)
+# include <string.h>
#endif
-#ifndef memcpy
-#define memcpy(d, s, n) bcopy((s), (d), (n))
+#if defined (__GNU_LIBRARY__) || defined (HAVE_UNISTD_H)
+# include <unistd.h>
#endif
+
+#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
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#if HAVE_GNU_LD
+# define environ __environ
+#else
+extern char **environ;
#endif
#ifndef NULL
-#define NULL 0
+# 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 = strchr (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;
- memcpy ((char *) new_environ, (char *) 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;
}