[git commit] tar: fix 256-bit encoded number decoding

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=cfc212cdfff27c6a7b9d9743f87c4da70f97558c
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Etienne Le Sueur <elesueur at vmware.com>
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 archival/libarchive/get_header_tar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/archival/libarchive/get_header_tar.c b/archival/libarchive/get_header_tar.c
index 80a7091..b168653 100644
--- a/archival/libarchive/get_header_tar.c
+++ b/archival/libarchive/get_header_tar.c
@@ -84,7 +84,7 @@ static unsigned long long getOctal(char *str, int len)
 		first >>= 1; /* now 7th bit = 6th bit */
 		v = first;   /* sign-extend 8 bits to 64 */
 		while (--len != 0)
-			v = (v << 8) + (unsigned char) *str++;
+			v = (v << 8) + (uint8_t) *++str;
 	}
 	return v;
 }