+/* strncasecmp.c -- case insensitive string comparator
+ Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+
+ 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.
+
+ 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 General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
#if HAVE_CONFIG_H
# include <config.h>
#endif
-#include <sys/types.h>
+/* Specification. */
+#include "strcase.h"
+
#include <ctype.h>
#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
-/* Compare no more than N characters of S1 and S2,
+/* Compare no more than N bytes of strings S1 and S2,
ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less
than, equal to or greater than S2. */
do
{
- c1 = TOLOWER (*p1++);
- c2 = TOLOWER (*p2++);
- if (c1 == '\0' || c1 != c2)
- return c1 - c2;
- } while (--n > 0);
+ c1 = TOLOWER (*p1);
+ c2 = TOLOWER (*p2);
+
+ if (--n == 0 || c1 == '\0')
+ break;
+
+ ++p1;
+ ++p2;
+ }
+ while (c1 == c2);
return c1 - c2;
}