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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /wsrep-lib/wsrep-API/v26/wsrep_gtid.c | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wsrep-lib/wsrep-API/v26/wsrep_gtid.c')
-rw-r--r-- | wsrep-lib/wsrep-API/v26/wsrep_gtid.c | 77 |
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, >id->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(>id->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; +} |