merge with 3.9i

[gnulib.git] / lib / putenv.c

diff --git a/lib/putenv.c b/lib/putenv.c
index 573e624..06e3254 100644 (file)
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -1,57 +1,49 @@
 /* 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.
+   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.
 
-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 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 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.  */
+   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.  */
 
 #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
 
 #include <sys/types.h>
 #include <errno.h>
+#ifndef errno
+extern int errno;
+#endif
 
-/* This needs to come after some library #include
+/* 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__
-/* 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>
+#ifndef strchr
+#define strchr index
+#endif
+#ifndef memcpy
+#define memcpy(d, s, n) bcopy((s), (d), (n))
+#endif
 #endif
 
 #ifdef HAVE_UNISTD_H
@@ -69,7 +61,7 @@ int
 putenv (string)
      const char *string;
 {
-  char *name_end = index (string, '=');
+  char *name_end = strchr (string, '=');
   register size_t size;
   register char **ep;
 
@@ -104,7 +96,7 @@ putenv (string)
       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 *));
+      memcpy ((char *) new_environ, (char *) environ, size * sizeof (char *));
       new_environ[size] = (char *) string;
       new_environ[size + 1] = NULL;
       if (last_environ != NULL)