Paul Eggert <egg...@cs.ucla.edu> wrote: >That's odd. I can't reproduce the problem on Fedora 17, >with either the bundled gzip (1.4) or with >gzip 1.5 (which I built myself). For example: > >$ rm test.gz x.gz >$ : | gzip >test.gz >$ dd if=/dev/zero bs=1 count=77 >> test.gz >77+0 records in >77+0 records out >77 bytes (77 B) copied, 0.000514876 s, 150 kB/s >$ dd if=test.gz count=1 bs=22 > x.gz >1+0 records in >1+0 records out >22 bytes (22 B) copied, 0.000159583 s, 138 kB/s >$ gunzip -tv x.gz >x.gz: >gzip: x.gz: decompression OK, trailing zero bytes ignored > OK >$ dd if=test.gz count=1 bs=21 > x.gz >1+0 records in >1+0 records out >21 bytes (21 B) copied, 0.0446526 s, 0.5 kB/s >$ gunzip -tv x.gz >x.gz: >gzip: x.gz: decompression OK, trailing zero bytes ignored > OK >$ dd if=test.gz count=1 bs=20 > x.gz >1+0 records in >1+0 records out >20 bytes (20 B) copied, 0.0646803 s, 0.3 kB/s >$ gunzip -tv x.gz >x.gz: OK > > >This all looks right. (You wrote that the last output >was "unexpected", but the compressed file is 20 bytes, >right? so the 20-byte copy should work.)
Whoopsie! My fault, did a cut-n-paste to quick. >For the 21-byte case, can you please send the output of >the command > >strace -o trace.txt gunzip -tv x.gz > >That is, what gets put into the file trace.txt? I'll try to do this tonight (CEST). -- Sent from my mobile device. Please excuse my brevity.