47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* $QNXLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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#include <string.h>
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int _memicmp( const void *_s1, const void *_s2, size_t len )
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{
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return( memicmp( _s1, _s2, len ) );
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}
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int memicmp( const void *_s1, const void *_s2, size_t len )
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{
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const unsigned char *s1 = _s1;
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const unsigned char *s2 = _s2;
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unsigned char c1;
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unsigned char c2;
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for( ;; ) {
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if( len == 0 ) return( 0 );
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c1 = *s1;
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c2 = *s2;
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if( c1 >= 'A' && c1 <= 'Z' ) c1 += 'a' - 'A';
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if( c2 >= 'A' && c2 <= 'Z' ) c2 += 'a' - 'A';
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if( c1 != c2 ) return( *s1 - *s2 );
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++s1;
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++s2;
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--len;
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}
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}
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