/*
- * Copyright (C) 2013 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License, version 2 only, as
- * published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * 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 02110-1301 USA.
*/
#include <common/time.h>
+#include <common/error.h>
#include <common/macros.h>
+#include <common/error.h>
+#include <common/compat/errno.h>
#include <stddef.h>
#include <stdint.h>
#include <limits.h>
-#include <errno.h>
#include <pthread.h>
#include <locale.h>
#include <string.h>
if (program_locale && strstr(program_locale, "utf8")) {
utf8_output_supported = true;
- } else if (strstr(lang, "utf8")) {
+ } else if (lang && strstr(lang, "utf8")) {
utf8_output_supported = true;
}
}
+
+LTTNG_HIDDEN
+int time_to_iso8601_str(time_t time, char *str, size_t len)
+{
+ int ret = 0;
+ struct tm *tm_result;
+ struct tm tm_storage;
+ size_t strf_ret;
+
+ if (len < ISO8601_STR_LEN) {
+ ERR("Buffer too short to format ISO 8601 timestamp: %zu bytes provided when at least %zu are needed",
+ len, ISO8601_STR_LEN);
+ ret = -1;
+ goto end;
+ }
+
+ tm_result = localtime_r(&time, &tm_storage);
+ if (!tm_result) {
+ ret = -1;
+ PERROR("Failed to break down timestamp to tm structure");
+ goto end;
+ }
+
+ strf_ret = strftime(str, len, "%Y%m%dT%H%M%S%z", tm_result);
+ if (strf_ret == 0) {
+ ret = -1;
+ ERR("Failed to format timestamp as local time");
+ goto end;
+ }
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int time_to_datetime_str(time_t time, char *str, size_t len)
+{
+ int ret = 0;
+ struct tm *tm_result;
+ struct tm tm_storage;
+ size_t strf_ret;
+
+ if (len < DATETIME_STR_LEN) {
+ ERR("Buffer too short to format to datetime: %zu bytes provided when at least %zu are needed",
+ len, DATETIME_STR_LEN);
+ ret = -1;
+ goto end;
+ }
+
+ tm_result = localtime_r(&time, &tm_storage);
+ if (!tm_result) {
+ ret = -1;
+ PERROR("Failed to break down timestamp to tm structure");
+ goto end;
+ }
+
+ strf_ret = strftime(str, len, "%Y%m%d-%H%M%S", tm_result);
+ if (strf_ret == 0) {
+ ret = -1;
+ ERR("Failed to format timestamp as local time");
+ goto end;
+ }
+end:
+ return ret;
+}