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Avoid NULL ptr arithmetic UB

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Andrius Mitkus
2020-04-07 23:06:59 +03:00
committed by Ozkan Sezer
parent 842a20e586
commit 71ba5d12d6
1 changed files with 1 additions and 1 deletions
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2
miniz_tdef.c
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@@ -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)