Sync with libc.

[gnulib.git] / lib / putenv.c

diff --git a/lib/putenv.c b/lib/putenv.c
index 0b1e664..1c097cc 100644 (file)
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1997, 1998, 2000, 2003, 2004 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.
@@ -26,34 +26,23 @@
 /* Include errno.h *after* sys/types.h to work around header problems
    on AIX 3.2.5.  */
 #include <errno.h>
-#if !_LIBC
-# if !defined errno
-extern int errno;
-# endif
+#ifndef __set_errno
 # define __set_errno(ev) ((errno) = (ev))
 #endif
 
-/* Don't include stdlib.h because some (e.g., Solaris 2.7) declare putenv
+/* Don't include stdlib.h because some (e.g., Solaris 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 *malloc ();
 void free ();
 
-#if defined (__GNU_LIBRARY__) || defined (HAVE_STRING_H)
-# include <string.h>
-#endif
+#include <string.h>
+
 #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
-
 #if HAVE_GNU_LD
 # define environ __environ
 #else
@@ -71,10 +60,6 @@ __libc_lock_define_initialized (static, envlock)
 # define UNLOCK
 #endif
 
-#ifndef NULL
-# define NULL 0
-#endif
-
 static int
 unsetenv (const char *name)
 {