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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02111-1301, USA */
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/* File : strinstr.c
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Author : Monty & David
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Updated: 1986.12.08
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Defines: strinstr()
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strinstr(src, pat) looks for an instance of pat in src. pat is not a
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regex(3) pattern, it is a literal string which must be matched exactly.
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The result 0 if the pattern was not found else it is the start char of
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the pattern counted from the beginning of the string, where the first
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char is 1.
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*/
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#include <my_global.h>
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#include "m_string.h"
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uint strinstr(reg1 const char *str,reg4 const char *search)
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{
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reg2 my_string i,j;
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my_string start = (my_string) str;
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skipp:
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while (*str != '\0')
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{
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if (*str++ == *search)
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{
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i=(my_string) str; j= (my_string) search+1;
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while (*j)
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if (*i++ != *j++) goto skipp;
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return ((uint) (str - start));
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}
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}
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return (0);
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}
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