merge with 1.9

[gnulib.git] / lib / putenv.c

diff --git a/lib/putenv.c b/lib/putenv.c
index 512878c..47f7256 100644 (file)
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -16,21 +16,45 @@ 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.  */
 
+#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>
-#ifdef STDC_HEADERS
+
+/* 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(USG)
+#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))
-#else /* not (STDC_HEADERS or USG) */
+#endif
+#else
 #include <strings.h>
-#endif /* STDC_HEADERS or USG */
+#endif
 
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
@@ -40,10 +64,6 @@ extern int errno;
 #define NULL 0
 #endif
 
-#if !__STDC__
-#define const
-#endif
-
 extern char **environ;
 
 /* Put STRING, which is of the form "NAME=VALUE", in the environment.  */
@@ -86,7 +106,8 @@ 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 *));
+      (void) bcopy ((char *) environ, (char *) new_environ,
+                   size * sizeof (char *));
       new_environ[size] = (char *) string;
       new_environ[size + 1] = NULL;
       if (last_environ != NULL)