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Plugged a memory leak in stream_decoder.c.

This commit is contained in:
Lasse Collin 2008-01-16 14:48:04 +02:00
parent 0b58153931
commit 7599bb7064
1 changed files with 20 additions and 0 deletions
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20
src/liblzma/common/stream_decoder.c
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@ -204,6 +204,14 @@ stream_decode(lzma_coder *coder, lzma_allocator *allocator,
coder->block_options.check = coder->header_flags.check;
coder->block_options.has_crc32 = coder->header_flags.has_crc32;
for (size_t i = 0;
i < ARRAY_SIZE(coder->block_options.filters);
++i) {
lzma_free(coder->block_options.filters[i].options,
allocator);
coder->block_options.filters[i].options = NULL;
}
return_if_error(lzma_block_header_decoder_init(
&coder->block_header_decoder, allocator,
&coder->block_options));
@ -359,6 +367,9 @@ stream_decode(lzma_coder *coder, lzma_allocator *allocator,
static void
stream_decoder_end(lzma_coder *coder, lzma_allocator *allocator)
{
for (size_t i = 0; i < ARRAY_SIZE(coder->block_options.filters); ++i)
lzma_free(coder->block_options.filters[i].options, allocator);
lzma_next_coder_end(&coder->block_decoder, allocator);
lzma_next_coder_end(&coder->block_header_decoder, allocator);
lzma_next_coder_end(&coder->flags_decoder, allocator);
@ -389,6 +400,11 @@ stream_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
next->coder->metadata.index = NULL;
next->coder->metadata.extra = NULL;
} else {
for (size_t i = 0; i < ARRAY_SIZE(
next->coder->block_options.filters); ++i)
lzma_free(next->coder->block_options
.filters[i].options, allocator);
lzma_index_free(next->coder->metadata.index, allocator);
next->coder->metadata.index = NULL;
@ -396,6 +412,10 @@ stream_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,
next->coder->metadata.extra = NULL;
}
for (size_t i = 0; i < ARRAY_SIZE(next->coder->block_options.filters);
++i)
next->coder->block_options.filters[i].options = NULL;
next->coder->info = lzma_info_init(next->coder->info, allocator);
if (next->coder->info == NULL)
return LZMA_MEM_ERROR;