bug in tar(1) compare option (FIX)
Dave Steffens
das at earvax.UUCP
Thu Sep 4 04:48:56 AEST 1986
Subject: bug in tar(1) compare option (FIX)
Index: /usr/src/bin/tar.c
Description:
The compare (C) option of tar(1) fails to correctly report
a difference error when a file in the archive is not the same
length as the corresponding file on the disk.
Repeat-by:
% echo this is a test >blap
% tar cvf flap blap
a blap 1 blocks
% ls -l blap
-rw-rw-r-- 1 das bin 15 Sep 3 14:30 blap
% tar Cvf flap
same rw-rw-r-- 11/3 15 Sep 3 14:30 1986 blap
% echo add another line >>blap
% ls -l blap
-rw-rw-r-- 1 das bin 32 Sep 3 14:30 blap
% tar Cvf flap
same rw-rw-r-- 11/3 15 Sep 3 14:30 1986 blap
Fix:
Make the following change:
777c777
< if (fstat(ifile, &stbuf2) < 0 || bytes != stbuf.st_size)
---
> if (fstat(ifile, &stbuf2) < 0 || bytes != stbuf2.st_size)
--
{harvard,mit-eddie,think}!eplunix!earvax!das David Allan Steffens
243 Charles St., Boston, MA 02114 Eaton-Peabody Laboratory
(617) 523-7900 x2748 Mass. Eye & Ear Infirmary
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