[Bug bzip2/27619] New: False error code returned by BZ2_bzBuffToBuffDecompress
tiberiuzbirnea at gmail dot com
Sun Mar 21 15:50:28 GMT 2021
Bug ID: 27619
Summary: False error code returned by
Assignee: nobody at sourceware dot org
Reporter: tiberiuzbirnea at gmail dot com
CC: bzip2-devel at sourceware dot org
Target Milestone: ---
Actual conent: return BZ_OUTBUFF_FULL;
Should be: return BZ_OK;
In this function the "output_overflow_or_eof" label can be reached if
"BZ2_bzDecompress" returned BZ_OK. The branch with line 1342 is reached if
strm.avail_out == 0, so th output buffer is full but nothing has to be added
I have written a wrapper class for this version. At compression method I`ve
allocated a buffer 4 bytes larger than it is presented in documentation
"To guarantee that the compressed data will fit in its buffer, allocate an
output buffer of size 1% larger than the uncompressed data, plus six hundred
to store the uncompressed data size.
At decompression I've constantly receive BZ_OUTBUFF_FULL as a result, despite
strm.avail_out == 0.
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