*/
#include <common/time.h>
+#include <common/error.h>
#include <common/macros.h>
#include <stddef.h>
#include <stdint.h>
#include <limits.h>
#include <errno.h>
#include <pthread.h>
+#include <locale.h>
+#include <string.h>
+
+static bool utf8_output_supported;
+
+LTTNG_HIDDEN
+bool locale_supports_utf8(void)
+{
+ return utf8_output_supported;
+}
LTTNG_HIDDEN
int timespec_to_ms(struct timespec ts, unsigned long *ms)
res.tv_nsec = diff % (uint64_t) NSEC_PER_SEC;
return res;
}
+
+LTTNG_HIDDEN
+int time_t_to_ISO8601(char *dest, size_t dest_size, time_t time)
+{
+ int ret;
+ struct tm tm, *timeinfo;
+
+ if (dest_size < ISO8601_LEN) {
+ ERR("Failed to format time to ISO8601 destination too small");
+ ret = -1;
+ goto end;
+ }
+
+ timeinfo = localtime_r(&time, &tm);
+ if (!timeinfo) {
+ PERROR("localtime");
+ ret = -1;
+ goto end;
+ }
+
+ ret = strftime(dest, dest_size, ISO8601_FORMAT, timeinfo);
+ if (ret == 0) {
+ ERR("Failed to format time to ISO8601");
+ ret = -1;
+ goto end;
+ }
+
+ ret = 0;
+end:
+ return ret;
+}
+
+static
+void __attribute__((constructor)) init_locale_utf8_support(void)
+{
+ const char *program_locale = setlocale(LC_ALL, NULL);
+ const char *lang = getenv("LANG");
+
+ if (program_locale && strstr(program_locale, "utf8")) {
+ utf8_output_supported = true;
+ } else if (lang && strstr(lang, "utf8")) {
+ utf8_output_supported = true;
+ }
+}