-/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1997, 1998, 2000 Free Software Foundation, Inc.
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.
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#include <errno.h>
-
#if HAVE_CONFIG_H
# include <config.h>
#endif
-/* Define-away any (possibly conflicting) prototype of putenv.
- Many systems omit the `const' attribute on the argument.
- But don't define-away if it's already defined (e.g. to rpl_putenv). */
-#ifndef putenv
-# define putenv _sys_putenv
-#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>
+
+/* 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_STDLIB_H)
-# include <stdlib.h>
-#endif
#if defined (__GNU_LIBRARY__) || defined (HAVE_STRING_H)
# include <string.h>
#endif
# include <unistd.h>
#endif
-#define _sys_putenv putenv
-
#if !defined (__GNU_LIBRARY__) && !defined (HAVE_STRCHR)
# define strchr index
#endif
extern char **environ;
#endif
+#ifndef NULL
+# define NULL 0
+#endif
+
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
-putenv (string)
- const char *string;
+rpl_putenv (const char *string)
{
const char *const name_end = strchr (string, '=');
register size_t size;