Merge changes from coreutils.

[gnulib.git] / lib / strnlen.c

diff --git a/lib/strnlen.c b/lib/strnlen.c
index f5681ca..c9f3898 100644 (file)
--- a/lib/strnlen.c
+++ b/lib/strnlen.c
@@ -1,38 +1,35 @@
 /* Find the length of STRING, but scan at most MAXLEN characters.
-   Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2000-2003 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,
+   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
-   Library General Public License for more details.
+   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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #if HAVE_CONFIG_H
 # include <config.h>
 #endif
+#undef strnlen
 
 #include <string.h>
 
-#ifndef HAVE_DECL_MEMCHR
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_MEMCHR
-char *memchr ();
-#endif
-
 #undef __strnlen
 #undef strnlen
 
+#ifndef _LIBC
+# define strnlen rpl_strnlen
+#endif
+
 #ifndef weak_alias
 # define __strnlen strnlen
 #endif
@@ -44,7 +41,7 @@ size_t
 __strnlen (const char *string, size_t maxlen)
 {
   const char *end = memchr (string, '\0', maxlen);
-  return end ? end - string : maxlen;
+  return end ? (size_t) (end - string) : maxlen;
 }
 #ifdef weak_alias
 weak_alias (__strnlen, strnlen)