cuberite/libdeflate
1
0
Fork 0
mirror of https://github.com/cuberite/libdeflate.git synced 2025-08-04 02:06:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

deflate_compress: don't pass NULL to memcpy on empty input

Browse Source
This commit is contained in:
Eric Biggers 2016-10-23 13:54:52 -07:00
parent 2b047b097b
commit 0205f005bc
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/deflate_compress.c
View File

@ -2787,6 +2787,8 @@ libdeflate_deflate_compress(struct libdeflate_compressor *c,
if (unlikely(in_nbytes < 16)) {
struct deflate_output_bitstream os;
deflate_init_output(&os, out, out_nbytes_avail);
if (in_nbytes == 0)
in = &os; /* Avoid passing NULL to memcpy() */
deflate_write_uncompressed_block(&os, in, in_nbytes, true);
return deflate_flush_output(&os);
}