1 files changed, 1 insertions, 0 deletions
diff --git a/util.hpp b/util.hpp
index cab3461..06c0628 100644
--- a/util.hpp
+++ b/util.hpp
@@ -45,6 +45,7 @@ std::string GetExtension(std::string url);
 bool IsURLViewableImage(const std::string &url);
 std::vector<uint8_t> ReadWholeFile(std::string path);
 std::string HumanReadableBytes(uint64_t bytes);
+std::string FormatISO8601(const std::string &in, int extra_offset = 0, const std::string &fmt = "%x %X");
 
 template<typename T>
 struct Bitwise {