From 06eaf7232e9a920468c0f8d74dcf2fe8b555501c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:24:36 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- sql-common/my_user.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 sql-common/my_user.c (limited to 'sql-common/my_user.c') diff --git a/sql-common/my_user.c b/sql-common/my_user.c new file mode 100644 index 00000000..4af0f8f0 --- /dev/null +++ b/sql-common/my_user.c @@ -0,0 +1,70 @@ +/* Copyright (c) 2006-2008 MySQL AB, 2009 Sun Microsystems, Inc. + Use is subject to license terms. + + 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +#include +#include +#include +#include + +/* + Parse user value to user name and host name parts. + + SYNOPSIS + user_id_str [IN] User value string (the source). + user_id_len [IN] Length of the user value. + user_name_str [OUT] Buffer to store user name part. + Must be not less than USERNAME_LENGTH + 1. + user_name_len [OUT] A place to store length of the user name part. + host_name_str [OUT] Buffer to store host name part. + Must be not less than HOSTNAME_LENGTH + 1. + host_name_len [OUT] A place to store length of the host name part. + + RETURN + 0 - if only a user was set, no '@' was found + 1 - if both user and host were set +*/ + +int parse_user(const char *user_id_str, size_t user_id_len, + char *user_name_str, size_t *user_name_len, + char *host_name_str, size_t *host_name_len) +{ + char *p= strrchr(user_id_str, '@'); + + if (!p) + { + *user_name_len= user_id_len; + *host_name_len= 0; + } + else + { + *user_name_len= (uint) (p - user_id_str); + *host_name_len= (uint) (user_id_len - *user_name_len - 1); + } + + if (*user_name_len > USERNAME_LENGTH) + *user_name_len= USERNAME_LENGTH; + + if (*host_name_len > HOSTNAME_LENGTH) + *host_name_len= HOSTNAME_LENGTH; + + memcpy(user_name_str, user_id_str, *user_name_len); + memcpy(host_name_str, p + 1, *host_name_len); + + user_name_str[*user_name_len]= 0; + host_name_str[*host_name_len]= 0; + + return p != NULL; +} -- cgit v1.2.3