зеркало из https://github.com/github/putty.git
83 строки
2.5 KiB
C
83 строки
2.5 KiB
C
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#include "putty.h"
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#define strcasecmp stricmp
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#define strncasecmp strnicmp
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#define _DIAGASSERT(e) /* nothing */
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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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* From NetBSD: strcasecmp.c,v 1.12 2000/01/22 22:19:20 mycroft Exp
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*/
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#include <ctype.h>
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typedef unsigned char u_char;
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int
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strcasecmp(s1, s2)
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const char *s1, *s2;
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{
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const u_char *us1 = (const u_char *)s1,
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*us2 = (const u_char *)s2;
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_DIAGASSERT(s1 != NULL);
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_DIAGASSERT(s2 != NULL);
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while (tolower(*us1) == tolower(*us2++))
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if (*us1++ == '\0')
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return (0);
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return (tolower(*us1) - tolower(*--us2));
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}
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int
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strncasecmp(s1, s2, n)
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const char *s1, *s2;
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size_t n;
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{
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_DIAGASSERT(s1 != NULL);
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_DIAGASSERT(s2 != NULL);
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if (s1 == NULL || s2 == NULL)
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return (0);
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if (n != 0) {
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const u_char *us1 = (const u_char *)s1,
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*us2 = (const u_char *)s2;
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do {
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if (tolower(*us1) != tolower(*us2++))
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return (tolower(*us1) - tolower(*--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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