From 890e7a1d1a7d701e6e5e0674e58aebe595575375 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 29 Aug 2002 19:38:25 +0000 Subject: 2002-08-29 Kazuhiro Fujieda * libc/include/wchar.h: Define NULL. Define WEOF more general way. Declare functions in newlib manner. * libc/stdlib/Makefile.am: Delete wmem*.c * libc/stdlib/Makefile.in: Regenerated. * libc/stdlib/wmemchr.c: Delete. * libc/stdlib/wmemcmp.c: Ditto. * libc/stdlib/wmemcpy.c: Ditto. * libc/stdlib/wmemmove.c: Ditto. * libc/stdlib/wmemset.c: Ditto. * libc/string/Makefile.am: Add wmem*.c and wcs*.c. * libc/string/Makefile.in: Regenerated. * libc/string/wcscat.c: New file derived from the NetBSD C Library. * libc/string/wcschr.c: Ditto. * libc/string/wcscmp.c: Ditto. * libc/string/wcscpy.c: Ditto. * libc/string/wcscspn.c: Ditto. * libc/string/wcslcat.c: Ditto. * libc/string/wcslcpy.c: Ditto. * libc/string/wcslen.c: Ditto. * libc/string/wcsncat.c: Ditto. * libc/string/wcsncmp.c: Ditto. * libc/string/wcsncpy.c: Ditto. * libc/string/wcspbrk.c: Ditto. * libc/string/wcsrchr.c: Ditto. * libc/string/wcsspn.c: Ditto. * libc/string/wcsstr.c: Ditto. * libc/string/wmemchr.c: Ditto. * libc/string/wmemcmp.c: Ditto. * libc/string/wmemcpy.c: Ditto. * libc/string/wmemmove.c: Ditto. * libc/string/wmemset.c: Ditto. --- newlib/libc/string/wcscmp.c | 83 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 newlib/libc/string/wcscmp.c (limited to 'newlib/libc/string/wcscmp.c') diff --git a/newlib/libc/string/wcscmp.c b/newlib/libc/string/wcscmp.c new file mode 100644 index 000000000..01ccf926c --- /dev/null +++ b/newlib/libc/string/wcscmp.c @@ -0,0 +1,83 @@ +/* +FUNCTION + <>---compare two wide-character strings + +ANSI_SYNOPSIS + #include + int wcscmp(const wchar_t *<[s1]>, *<[s2]>); + +TRAD_SYNOPSIS + int wcscmp(<[s1]>, <[s2]> + const wchar_t *<[s1]>, <[s2]>; + +DESCRIPTION + The <> function compares the wide-character string pointed to + by <[s1]> to the wide-character string pointed to by <[s2]>. + + The sign of a non-zero return value is determined by the sign of the + difference between the values of the first pair of wide-character codes + that differ in the objects being compared. + +RETURNS + Upon completion, <> returns an integer greater than, equal to + or less than 0, if the wide-character string pointed to by <[s1]> is + greater than, equal to or less than the wide-character string pointed + to by <[s2]> respectively. + +PORTABILITY +<> is ISO/IEC 9899/AMD1:1995 (ISO C). +No supporting OS subroutines are required. +*/ + +/* $NetBSD$ */ + +/*- + * 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. + * 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 <_ansi.h> +#include + +/* + * Compare strings. + */ +int +_DEFUN (wcscmp, (s1, s2), + _CONST wchar_t * s1 _AND + _CONST wchar_t * s2) +{ + + while (*s1 == *s2++) + if (*s1++ == 0) + return (0); + /* XXX assumes wchar_t = short */ + return (*(_CONST unsigned short *) s1 - *(_CONST unsigned short *) --s2); +} -- cgit v1.2.3