github-mirrors/thirdparty-miniz
1
0
Fork 0
mirror of https://github.com/eledio-devices/thirdparty-miniz.git synced 2025-10-31 00:32:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #227 from sezero/u0

Browse Source 
tdefl_compress_normal: Avoid NULL ptr arithmetic UB
This commit is contained in:
Martin Raiber
2022-02-09 21:35:06 +01:00
committed by GitHub
parent 842a20e586 71ba5d12d6
commit d9bd65a843
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
miniz_tdef.c
View File

@@ -1094,7 +1094,7 @@ static mz_bool tdefl_compress_normal(tdefl_compressor *d)
mz_uint dst_pos = (d->m_lookahead_pos + d->m_lookahead_size) & TDEFL_LZ_DICT_SIZE_MASK, ins_pos = d->m_lookahead_pos + d->m_lookahead_size - 2;
mz_uint hash = (d->m_dict[ins_pos & TDEFL_LZ_DICT_SIZE_MASK] << TDEFL_LZ_HASH_SHIFT) ^ d->m_dict[(ins_pos + 1) & TDEFL_LZ_DICT_SIZE_MASK];
mz_uint num_bytes_to_process = (mz_uint)MZ_MIN(src_buf_left, TDEFL_MAX_MATCH_LEN - d->m_lookahead_size);
const mz_uint8 *pSrc_end = pSrc + num_bytes_to_process;
const mz_uint8 *pSrc_end = pSrc ? pSrc + num_bytes_to_process : NULL;
src_buf_left -= num_bytes_to_process;
d->m_lookahead_size += num_bytes_to_process;
while (pSrc != pSrc_end)