src/tar.c: Add link to the reference specification

1 files changed, 7 insertions, 0 deletions

diff --git a/src/tar.c b/src/tar.c
index 853bbc6..0afcb28 100644
--- a/src/tar.c
+++ b/src/tar.c
@@ -1,6 +1,13 @@
 #include "config.h"
 #include "tar.h"
 
+/*
+ * Implementation of the "ustar archive tape" (tar) format, conformant to the
+ * specification [0].
+ *
+ * [0]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
+ */
+
 int tarball_write_from_directory(const char *const directory_path) {
 	(void)directory_path;
 	return 0;