diff options
Diffstat (limited to 'wsrep/wsrep_uuid.c')
-rw-r--r-- | wsrep/wsrep_uuid.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/wsrep/wsrep_uuid.c b/wsrep/wsrep_uuid.c deleted file mode 100644 index 54ae4ab5ed5..00000000000 --- a/wsrep/wsrep_uuid.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Copyright (C) 2009 Codership Oy <info@codersihp.com> - - 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 Street, Fifth Floor, Boston, MA 02111-1301 USA - */ - -/*! @file Helper functions to deal with history UUID string representations */ - -#include <errno.h> -#include <ctype.h> -#include <stdio.h> - -#include "wsrep_api.h" - -/*! - * Read UUID from string - * @return length of UUID string representation or -EINVAL in case of error - */ -int -wsrep_uuid_scan (const char* str, size_t str_len, wsrep_uuid_t* uuid) -{ - unsigned int uuid_len = 0; - unsigned int uuid_offt = 0; - - while (uuid_len + 1 < str_len) { - /* We are skipping potential '-' after uuid_offt == 4, 6, 8, 10 - * which means - * (uuid_offt >> 1) == 2, 3, 4, 5, - * which in turn means - * (uuid_offt >> 1) - 2 <= 3 - * since it is always >= 0, because uuid_offt is unsigned */ - if (((uuid_offt >> 1) - 2) <= 3 && str[uuid_len] == '-') { - // skip dashes after 4th, 6th, 8th and 10th positions - uuid_len += 1; - continue; - } - - if (isxdigit(str[uuid_len]) && isxdigit(str[uuid_len + 1])) { - // got hex digit, scan another byte to uuid, increment uuid_offt - sscanf (str + uuid_len, "%2hhx", uuid->data + uuid_offt); - uuid_len += 2; - uuid_offt += 1; - if (sizeof (uuid->data) == uuid_offt) - return uuid_len; - } - else { - break; - } - } - - *uuid = WSREP_UUID_UNDEFINED; - return -EINVAL; -} - -/*! - * Write UUID to string - * @return length of UUID string representation or -EMSGSIZE if string is too - * short - */ -int -wsrep_uuid_print (const wsrep_uuid_t* uuid, char* str, size_t str_len) -{ - if (str_len > 36) { - const unsigned char* u = uuid->data; - return snprintf(str, str_len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-" - "%02x%02x-%02x%02x%02x%02x%02x%02x", - u[ 0], u[ 1], u[ 2], u[ 3], u[ 4], u[ 5], u[ 6], u[ 7], - u[ 8], u[ 9], u[10], u[11], u[12], u[13], u[14], u[15]); - } - else { - return -EMSGSIZE; - } -} |