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liblzma: Handle allocation failures correctly in lzma_index_init(). 

Thanks to Jim Meyering.
This commit is contained in:
Lasse Collin 2011-05-27 22:09:49 +03:00
parent 240e8b9791
commit 844f84fcad
1 changed files with 5 additions and 2 deletions
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7
src/liblzma/common/index.c
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@ -398,10 +398,13 @@ extern LZMA_API(lzma_index *)
lzma_index_init(lzma_allocator *allocator) lzma_index_init(lzma_allocator *allocator)
{ {
lzma_index *i = index_init_plain(allocator); lzma_index *i = index_init_plain(allocator);
if (i == NULL)
return NULL;
index_stream *s = index_stream_init(0, 0, 1, 0, allocator); index_stream *s = index_stream_init(0, 0, 1, 0, allocator);
if (i == NULL || s == NULL) { if (s == NULL) {
index_stream_end(s, allocator);
lzma_free(i, allocator); lzma_free(i, allocator);
return NULL;
} }
index_tree_append(&i->streams, &s->node); index_tree_append(&i->streams, &s->node);