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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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/* Copyright (C) 2005 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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my_strchr(cs, str, end, c) returns a pointer to the first place in
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str where c (1-byte character) occurs, or NULL if c does not occur
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in str. This function is multi-byte safe.
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TODO: should be moved to CHARSET_INFO if it's going to be called
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frequently.
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*/
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#include <my_global.h>
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#include "m_string.h"
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#include "m_ctype.h"
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byte *my_strchr(CHARSET_INFO *cs, const char *str, const char *end,
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char c)
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{
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uint mbl;
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while (str < end)
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{
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mbl= my_mbcharlen(cs, *(uchar *)str);
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if (mbl < 2)
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{
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if (*str == c)
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return((char *)str);
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str++;
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}
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else
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str+= mbl;
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}
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return(0);
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}
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