GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/string/strcasecmp.c Lines: 0 11 0.0 %
Date: 2017-11-13 Branches: 0 14 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: strcasecmp.c,v 1.7 2015/08/31 02:53:57 guenther Exp $	*/
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/*
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 * Copyright (c) 1987, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <string.h>
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typedef unsigned char u_char;
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/*
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 * This array is designed for mapping upper and lower case letter
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 * together for a case independent comparison.  The mappings are
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 * based upon ascii character sequences.
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 */
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static const u_char charmap[] = {
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	'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
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	'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
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	'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
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	'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
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	'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
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	'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
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	'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
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	'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
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	'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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	'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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	'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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	'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
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	'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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	'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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	'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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	'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
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	'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
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	'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
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	'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
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	'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
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	'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
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	'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
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	'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
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	'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
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	'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
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	'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
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	'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
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	'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
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	'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
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	'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
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	'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
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	'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
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};
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int
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strcasecmp(const char *s1, const char *s2)
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{
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	const u_char *cm = charmap;
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	const u_char *us1 = (const u_char *)s1;
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	const u_char *us2 = (const u_char *)s2;
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	while (cm[*us1] == cm[*us2++])
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		if (*us1++ == '\0')
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			return (0);
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	return (cm[*us1] - cm[*--us2]);
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}
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DEF_WEAK(strcasecmp);
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int
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strncasecmp(const char *s1, const char *s2, size_t n)
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{
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	if (n != 0) {
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		const u_char *cm = charmap;
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		const u_char *us1 = (const u_char *)s1;
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		const u_char *us2 = (const u_char *)s2;
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		do {
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			if (cm[*us1] != cm[*us2++])
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				return (cm[*us1] - cm[*--us2]);
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			if (*us1++ == '\0')
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				break;
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		} while (--n != 0);
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	}
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	return (0);
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}
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DEF_WEAK(strncasecmp);