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97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/* Copyright (C) 2000-2002 by George Williams */
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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 are met:
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <utype.h>
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#include "ustring.h"
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char *strstart(const char *initial, const char *full) {
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int ch1, ch2;
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for (;;) {
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ch1 = *initial++; ch2 = *full++ ;
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if ( ch1=='\0' )
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return( (char *) full );
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if ( ch1!=ch2 || ch1=='\0' )
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return(NULL);
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}
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}
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char *strstartmatch(const char *initial, const char *full) {
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int ch1, ch2;
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for (;;) {
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ch1 = *initial++; ch2 = *full++ ;
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if ( ch1=='\0' )
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return( (char *) full );
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ch1 = tolower(ch1);
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ch2 = tolower(ch2);
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if ( ch1!=ch2 || ch1=='\0' )
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return(NULL);
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}
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}
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int strmatch(const char *str1, const char *str2) {
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int ch1, ch2;
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for (;;) {
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ch1 = *str1++; ch2 = *str2++ ;
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ch1 = tolower(ch1);
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ch2 = tolower(ch2);
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if ( ch1!=ch2 || ch1=='\0' )
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return(ch1-ch2);
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}
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}
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int strnmatch(const char *str1, const char *str2, int n) {
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int ch1, ch2;
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for (;n-->0;) {
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ch1 = *str1++; ch2 = *str2++ ;
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ch1 = tolower(ch1);
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ch2 = tolower(ch2);
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if ( ch1!=ch2 || ch1=='\0' )
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return(ch1-ch2);
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}
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return(0);
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}
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char *strstrmatch(const char *longer, const char *substr) {
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int ch1, ch2;
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const char *lpt, *str1, *str2;
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for ( lpt=longer; *lpt!='\0'; ++lpt ) {
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str1 = lpt; str2 = substr;
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for (;;) {
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ch1 = *str1++; ch2 = *str2++ ;
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ch1 = tolower(ch1);
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ch2 = tolower(ch2);
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if ( ch2=='\0' )
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return((char *) lpt);
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if ( ch1!=ch2 )
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break;
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}
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}
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return( NULL );
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}
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