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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* Copyright (c) 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc.
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Use is subject to license terms.
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#include <my_global.h>
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#include <my_user.h>
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#include <m_string.h>
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#include <mysql_com.h>
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/*
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Parse user value to user name and host name parts.
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SYNOPSIS
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user_id_str [IN] User value string (the source).
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user_id_len [IN] Length of the user value.
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user_name_str [OUT] Buffer to store user name part.
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Must be not less than USERNAME_LENGTH + 1.
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user_name_len [OUT] A place to store length of the user name part.
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host_name_str [OUT] Buffer to store host name part.
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Must be not less than HOSTNAME_LENGTH + 1.
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host_name_len [OUT] A place to store length of the host name part.
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RETURN
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0 - if only a user was set, no '@' was found
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1 - if both user and host were set
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*/
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int parse_user(const char *user_id_str, size_t user_id_len,
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char *user_name_str, size_t *user_name_len,
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char *host_name_str, size_t *host_name_len)
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{
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char *p= strrchr(user_id_str, '@');
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if (!p)
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{
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*user_name_len= user_id_len;
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*host_name_len= 0;
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}
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else
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{
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*user_name_len= (uint) (p - user_id_str);
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*host_name_len= (uint) (user_id_len - *user_name_len - 1);
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}
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if (*user_name_len > USERNAME_LENGTH)
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*user_name_len= USERNAME_LENGTH;
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if (*host_name_len > HOSTNAME_LENGTH)
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*host_name_len= HOSTNAME_LENGTH;
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memcpy(user_name_str, user_id_str, *user_name_len);
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memcpy(host_name_str, p + 1, *host_name_len);
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user_name_str[*user_name_len]= 0;
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host_name_str[*host_name_len]= 0;
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return p != NULL;
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}
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