diff options
Diffstat (limited to 'libc/wchar/wcscmp.c')
| -rw-r--r-- | libc/wchar/wcscmp.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libc/wchar/wcscmp.c b/libc/wchar/wcscmp.c new file mode 100644 index 0000000..2d48914 --- /dev/null +++ b/libc/wchar/wcscmp.c @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strcmp.c 8.1 (Berkeley) 6/4/93"; +#if 0 +__RCSID("$NetBSD: wcscmp.c,v 1.3 2001/01/05 12:13:12 itojun Exp $"); +#endif +#endif /* LIBC_SCCS and not lint */ +__FBSDID("$FreeBSD$"); + +#include <wchar.h> + +/* + * Compare strings. + */ +int +wcscmp(const wchar_t *s1, const wchar_t *s2) +{ + + while (*s1 == *s2++) + if (*s1++ == '\0') + return (0); + /* XXX assumes wchar_t = int */ + return (*(const unsigned int *)s1 - *(const unsigned int *)--s2); +} |