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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* Copyright (C) 2002 MySQL 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., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA */
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/* File : strstr.c
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Author : Monty
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Updated: 1986.11.24
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Defines: strstr()
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strstr(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 is a pointer to the first character of the located instance,
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or NullS if pat does not occur in src.
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*/
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#include <my_global.h>
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#include "m_string.h"
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#ifndef HAVE_STRSTR
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char *strstr(register const char *str,const char *search)
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{
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register char *i,*j;
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register char first= *search;
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skip:
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while (*str != '\0') {
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if (*str++ == first) {
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i=(char*) str; j=(char*) search+1;
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while (*j)
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if (*i++ != *j++) goto skip;
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return ((char*) str-1);
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}
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}
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return ((char*) 0);
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} /* strstr */
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#endif
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