47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/* @(#)strcasecmp.c 1.1 11/11/24 Copyright 2011 J. Schilling */
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/*
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* strcasecmp() to be used if missing in libc
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*
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* Copyright (c) 2011 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include <schily/standard.h>
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#include <schily/string.h>
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#include <schily/schily.h>
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#ifndef HAVE_STRCASECMP
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EXPORT int strcasecmp __PR((const char *s1, const char *s2));
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EXPORT int
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strcasecmp(s1, s2)
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register const char *s1;
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register const char *s2;
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{
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extern const char js_strcase_charmap[];
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register const char *chm = js_strcase_charmap;
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if (s1 == s2)
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return (0);
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while (chm[* (const unsigned char *)s1] ==
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chm[* (const unsigned char *)s2++]) {
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if (*s1++ == '\0')
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return (0);
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}
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return (chm[*(unsigned char *)s1] - chm[*(unsigned char *)(--s2)]);
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}
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#endif
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