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MySQL 5.1: mysql/src/5.1-dbg/client/my_user.c Source File
mysql/src/5.1-dbg/client/my_user.c

00001 /* Copyright (C) 2005 MySQL AB
00002 
00003  This program is free software; you can redistribute it and/or modify
00004  it under the terms of the GNU General Public License as published by
00005  the Free Software Foundation; either version 2 of the License, or
00006  (at your option) any later version.
00007 
00008  This program is distributed in the hope that it will be useful,
00009  but WITHOUT ANY WARRANTY; without even the implied warranty of
00010  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011  GNU General Public License for more details.
00012 
00013  You should have received a copy of the GNU General Public License
00014  along with this program; if not, write to the Free Software
00015  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 #include <my_user.h>
00018 #include <m_string.h>
00019 
00020 
00021 /*
00022   Parse user value to user name and host name parts.
00023 
00024   SYNOPSIS
00025     user_id_str     [IN]  User value string (the source).
00026     user_id_len     [IN]  Length of the user value.
00027     user_name_str   [OUT] Buffer to store user name part.
00028                           Must be not less than USERNAME_LENGTH + 1.
00029     user_name_len   [OUT] A place to store length of the user name part.
00030     host_name_str   [OUT] Buffer to store host name part.
00031                           Must be not less than HOSTNAME_LENGTH + 1.
00032     host_name_len   [OUT] A place to store length of the host name part.
00033 */
00034 
00035 void parse_user(const char *user_id_str, uint user_id_len,
00036                 char *user_name_str, uint *user_name_len,
00037                 char *host_name_str, uint *host_name_len)
00038 {
00039   char *p= strrchr(user_id_str, '@');
00040 
00041   if (!p)
00042   {
00043     *user_name_len= 0;
00044     *host_name_len= 0;
00045   }
00046   else
00047   {
00048     *user_name_len= p - user_id_str;
00049     *host_name_len= user_id_len - *user_name_len - 1;
00050 
00051     memcpy(user_name_str, user_id_str, *user_name_len);
00052     memcpy(host_name_str, p + 1, *host_name_len);
00053   }
00054 
00055   user_name_str[*user_name_len]= 0;
00056   host_name_str[*host_name_len]= 0;
00057 }
Generated on Sat Sep 9 00:49:42 2006 for MySQL 5.1 by
1.4.7