author | hgs |
Tue, 20 Jul 2010 16:35:53 +0530 | |
changeset 44 | 97b0fb8a2cc2 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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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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* 4. 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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* © Portions copyright (c) 2005-2006 Nokia Corporation. All rights reserved. |
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*/ |
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|
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#if defined(LIBC_SCCS) && !defined(lint) |
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static char sccsid[] = "@(#)strcasecmp.c 8.1 (Berkeley) 6/4/93"; |
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#endif /* LIBC_SCCS and not lint */ |
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#include <sys/cdefs.h> |
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#ifndef __SYMBIAN32__ |
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__FBSDID("$FreeBSD: src/lib/libc/string/strcasecmp.c,v 1.6 2002/08/30 15:40:01 robert Exp $"); |
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#endif |
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|
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|
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#include <strings.h> |
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#include <ctype.h> |
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|
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typedef unsigned char u_char; |
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|
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EXPORT_C |
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int |
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strcasecmp(const char *s1, const char *s2) |
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|
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{ |
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const u_char |
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*us1 = (const u_char *)s1, |
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*us2 = (const u_char *)s2; |
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|
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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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|
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EXPORT_C |
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int |
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strncasecmp(const char *s1, const char *s2, |
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size_t n) |
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|
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{ |
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if (n != 0) { |
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const u_char |
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*us1 = (const u_char *)s1, |
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*us2 = (const u_char *)s2; |
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|
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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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} |