Add lttng::utils::time_to_iso8601_str

[lttng-tools.git] / src / common / time.cpp

diff --git a/src/common/time.cpp b/src/common/time.cpp
index 7149912468d2c9d7a6acd41d41e13fe9eed92e90..a60fcf23cfabf4c53edc3085084ca88a77996c76 100644 (file)
--- a/src/common/time.cpp
+++ b/src/common/time.cpp
@@ -5,18 +5,19 @@
  *
  */
 
-#include <common/time.hpp>
+#include <common/compat/errno.hpp>
 #include <common/error.hpp>
+#include <common/exception.hpp>
 #include <common/macros.hpp>
-#include <common/error.hpp>
-#include <common/compat/errno.hpp>
-#include <stddef.h>
-#include <stdint.h>
+#include <common/time.hpp>
+
+#include <algorithm>
 #include <limits.h>
-#include <pthread.h>
 #include <locale.h>
+#include <pthread.h>
+#include <stddef.h>
+#include <stdint.h>
 #include <string.h>
-#include <algorithm>
 
 static bool utf8_output_supported;
 
@@ -132,3 +133,18 @@ int time_to_datetime_str(time_t time, char *str, size_t len)
 end:
        return ret;
 }
+
+std::string lttng::utils::time_to_iso8601_str(std::time_t time)
+{
+       std::string iso8601_str(ISO8601_STR_LEN, '\0');
+       const auto ret = ::time_to_iso8601_str(time, &iso8601_str[0], iso8601_str.capacity());
+
+       if (ret) {
+               LTTNG_THROW_ERROR("Failed to format time to iso8601 format");
+       }
+
+       /* Don't include '\0' in the C++ string. */
+       iso8601_str.resize(iso8601_str.size() - 1);
+
+       return iso8601_str;
+}