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Diffstat (limited to 'wsrep-lib/wsrep-API/v26/wsrep_gtid.c')
-rw-r--r--wsrep-lib/wsrep-API/v26/wsrep_gtid.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/wsrep-lib/wsrep-API/v26/wsrep_gtid.c b/wsrep-lib/wsrep-API/v26/wsrep_gtid.c
new file mode 100644
index 00000000..2b6dfb90
--- /dev/null
+++ b/wsrep-lib/wsrep-API/v26/wsrep_gtid.c
@@ -0,0 +1,77 @@
+/* Copyright (C) 2013 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*! @file Helper functions to deal with GTID string representations */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <limits.h>
+
+#include "wsrep_api.h"
+
+/*!
+ * Read GTID from string
+ * @return length of GTID string representation or -EINVAL in case of error
+ */
+int
+wsrep_gtid_scan(const char* str, size_t str_len, wsrep_gtid_t* gtid)
+{
+ int offset;
+ char* endptr;
+ if (str_len > INT_MAX) return -EINVAL;
+
+ if ((offset = wsrep_uuid_scan(str, str_len, &gtid->uuid)) > 0 &&
+ offset < (int)str_len && str[offset] == ':') {
+ ++offset;
+ if (offset < (int)str_len)
+ {
+ errno = 0;
+ gtid->seqno = strtoll(str + offset, &endptr, 0);
+
+ if (errno == 0) {
+ return (int)(endptr - str);
+ }
+ }
+ }
+ *gtid = WSREP_GTID_UNDEFINED;
+ return -EINVAL;
+}
+
+/*!
+ * Write GTID to string
+ * @return length of GTID string representation or -EMSGSIZE if string is too
+ * short
+ */
+int
+wsrep_gtid_print(const wsrep_gtid_t* gtid, char* str, size_t str_len)
+{
+ int offset, ret;
+ if (str_len > INT_MAX) return -EINVAL;
+
+ if ((offset = wsrep_uuid_print(&gtid->uuid, str, str_len)) > 0)
+ {
+ ret = snprintf(str + offset, (size_t)((int)str_len - offset),
+ ":%" PRId64, gtid->seqno);
+ if (ret <= ((int)str_len - offset)) {
+ return (offset + ret);
+ }
+
+ }
+
+ return -EMSGSIZE;
+}