[HAVE_LIMITS_H]: Include limits.h before regex.h to avoid

[gnulib.git] / lib / strcspn.c

diff --git a/lib/strcspn.c b/lib/strcspn.c
index ea61aa1..a84d4c4 100644 (file)
--- a/lib/strcspn.c
+++ b/lib/strcspn.c
@@ -1,34 +1,49 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1994, 1996, 1997 Free Software Foundation, Inc.
 
-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.
+   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.
 
-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 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.
 
-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.  */
+   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.
 
-char *index ();
+   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.  */
 
-/* Return the length of the maximum inital segment of S
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if defined _LIBC || HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+# ifndef strchr
+#  define strchr index
+# endif
+#endif
+
+#undef strcspn
+
+/* Return the length of the maximum initial segment of S
    which contains no characters from REJECT.  */
 int
 strcspn (s, reject)
-     register char *s;
-     register char *reject;
+     const char *s;
+     const char *reject;
 {
-  register int count = 0;
+  int count = 0;
 
   while (*s != '\0')
-    if (index (reject, *s++) == 0)
+    if (strchr (reject, *s++) == 0)
       ++count;
     else
       return count;