Correct off-by-one checking for an end-of-archive marker.

Thanks to: vti

SVN-Revision: 1303

diff --git a/contrib/untar.c b/contrib/untar.c
index 8df7a8e460da498966d0399944ec9dc5c19fe2f0..dc092d325e0276c5d797ff38e3835d3f383cfbf1 100644 (file)
--- a/contrib/untar.c
+++ b/contrib/untar.c
@@ -56,7 +56,7 @@ static int
 is_end_of_archive(const char *p)
 {
        int n;
-       for (n = 512; n > 0; --n)
+       for (n = 511; n >= 0; --n)
                if (p[n] != '\0')
                        return (0);
        return (1);