Added a comment

[chaz/tar] / src / create.c

diff --git a/src/create.c b/src/create.c
index 01324d353bf62d082ab8599f6e5c36b0f6121f9a..78847555d83f80415b9e816917d431222ebb6208 100644 (file)
--- a/src/create.c
+++ b/src/create.c
@@ -186,6 +186,8 @@ to_chars (int negative, uintmax_t value, size_t valsize,
        {
          int negsub;
          uintmax_t sub = substitute (&negsub) & maxval;
+         /* FIXME: This is the only place where GNU_FORMAT differs from
+             OLDGNU_FORMAT. Apart from this they are completely identical. */
          uintmax_t s = (negsub &= archive_format == GNU_FORMAT) ? - sub : sub;
          char subbuf[UINTMAX_STRSIZE_BOUND + 1];
          char *sub_string = STRINGIFY_BIGINT (s, subbuf + 1);