diff options
Diffstat (limited to 'lib/libc/string/wcsncmp.c')
| -rw-r--r-- | lib/libc/string/wcsncmp.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/libc/string/wcsncmp.c b/lib/libc/string/wcsncmp.c new file mode 100644 index 0000000..8236d96 --- /dev/null +++ b/lib/libc/string/wcsncmp.c @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. 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 0 +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strncmp.c 8.1 (Berkeley) 6/4/93"; +__RCSID("$NetBSD: wcsncmp.c,v 1.3 2001/01/05 12:13:13 itojun Exp $"); +#endif /* LIBC_SCCS and not lint */ +#endif +__FBSDID("$FreeBSD$"); + +#include <wchar.h> + +int +wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n) +{ + + if (n == 0) + return (0); + do { + if (*s1 != *s2++) { + /* XXX assumes wchar_t = int */ + return (*(const unsigned int *)s1 - + *(const unsigned int *)--s2); + } + if (*s1++ == 0) + break; + } while (--n != 0); + return (0); +} |
