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18 Commits

Author SHA1 Message Date
Eric Biggers
e90463fb04 programs/gunzip: allocate at least one byte for decompressed data 
libdeflate's 'gunzip' program fails if the uncompressed file size is a
nonzero multiple of 4 GiB because then the ISIZE field in the gzip file
is 0, so gunzip allocates no space for the decompressed data.  Then when
libdeflate returns LIBDEFLATE_INSUFFICIENT_SPACE, gunzip doubles the
buffer size which stays 0, causing it to report "file corrupt or too
large to be processed by this program".

While neither libdeflate nor its 'gunzip' program is designed for single
gzip streams this large anyway, this particular bug can easily be fixed
by always allocating at least one byte for the decompressed data.
 2019-05-21 21:13:59 -07:00
Eric Biggers
5a9d25a892 Support multi-member gzip files 2017-11-20 00:35:24 -08:00
Eric Biggers
8be0bbfabb gzip, gunzip: accept -n option 2016-10-23 14:13:36 -07:00
Eric Biggers
5cc0fc2bbd gzip, gunzip: add dumb support for reading from stdin 
No streaming yet, but as a temporary solution just read the full file
contents.
 2016-10-23 13:54:53 -07:00
Eric Biggers
f100a42c02 gzip, gunzip: require -f or -c to (de)compress symlink 
This matches the behavior of GNU gzip.
 2016-10-23 13:54:53 -07:00
Eric Biggers
618958f4dd gunzip: automatically append suffix to find input file if needed 2016-10-23 13:54:53 -07:00
Eric Biggers
f3861da7cd prog_util: use 64-bit 'struct stat' on Windows and support stat() 2016-10-23 13:54:53 -07:00
Eric Biggers
e7152b4866 gzip, gunzip: forbid empty suffix 
This matches the behavior of GNU gzip.
 2016-10-23 13:54:52 -07:00
Eric Biggers
ed923c45d4 gzip: use success status when file already has compressed suffix 
This matches the behavior of GNU gzip.
 2016-10-23 13:54:52 -07:00
Eric Biggers
b620773954 gzip, gunzip: don't add dot to user-specified suffix 
This matches the behavior of GNU gzip.
 2016-10-23 13:54:52 -07:00
Eric Biggers
8d0a43ac2e gzip: detect gunzip if invoked as libdeflate-gunzip 2016-10-22 14:57:00 -07:00
Eric Biggers
31c4ac39a7 programs: fix signs of some exit statuses 2016-10-16 17:37:32 -07:00
Eric Biggers
64dc75786d Detect nonstandard or missing nanosecond-precision stat timestamps 
Reported-by: maarten-k <maarten.kooyman@surfsara.nl>
 2016-09-23 23:12:16 -07:00
Eric Biggers
3992efa340 Update API to avoid naming collisions 2016-08-27 23:11:32 -07:00
Eric Biggers
3c1077a4b3 gzip: allow hard links when source file is being kept 2016-08-20 13:56:19 -07:00
Eric Biggers
dad582cd57 gzip: -s and -L are not supported options 2016-05-21 16:38:51 -05:00
Eric Biggers
27125469cd v0.2 2016-05-21 15:38:15 -05:00
Eric Biggers
f2c3a5b4e9 Various reorganization and cleanups 
* Bring in common headers and program code from xpack project
* Move program code to programs/
* Move library code to lib/
* GNU89 and MSVC2010 compatibility
* Other changes
 2016-05-21 15:38:15 -05:00