~drizzle-trunk/drizzle/development

/* Copyright (C) 2005 MySQL AB

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/*

  my_strchr(cs, str, end, c) returns a pointer to the first place in

  str where c (1-byte character) occurs, or NULL if c does not occur

  in str. This function is multi-byte safe.

  TODO: should be moved to CHARSET_INFO if it's going to be called

  frequently.

*/

#include "m_string.h"

#include "m_ctype.h"

char *my_strchr(CHARSET_INFO *cs, const char *str, const char *end,

                char c)

{

  uint mbl;

  while (str < end)

  {

    mbl= my_mbcharlen(cs, *(uchar *)str);

    if (mbl < 2)

    {

      if (*str == c)

        return((char *)str);

      str++;

    }

    else

      str+= mbl;

  }

  return(0);

}