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liblzma: Add NULL checks to LZMA and LZMA2 properties encoders.

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Previously lzma_lzma_props_encode() and lzma_lzma2_props_encode()
assumed that the options pointers must be non-NULL because the
with these filters the API says it must never be NULL. It is
good to do these checks anyway.
This commit is contained in:
jiat75 2022-01-28 20:47:55 +08:00 committed by Lasse Collin
parent feb80ace86
commit e20ce2b122
2 changed files with 6 additions and 0 deletions
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3
src/liblzma/lzma/lzma2_encoder.c
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@ -378,6 +378,9 @@ lzma_lzma2_encoder_memusage(const void *options)
extern lzma_ret
lzma_lzma2_props_encode(const void *options, uint8_t *out)
{
if (options == NULL)
return LZMA_PROG_ERROR;
const lzma_options_lzma *const opt = options;
uint32_t d = my_max(opt->dict_size, LZMA_DICT_SIZE_MIN);

3
src/liblzma/lzma/lzma_encoder.c
View file

@ -658,6 +658,9 @@ lzma_lzma_lclppb_encode(const lzma_options_lzma *options, uint8_t *byte)
extern lzma_ret
lzma_lzma_props_encode(const void *options, uint8_t *out)
{
if (options == NULL)
return LZMA_PROG_ERROR;
const lzma_options_lzma *const opt = options;
if (lzma_lzma_lclppb_encode(opt, out))