diff options
Diffstat (limited to '')
| -rw-r--r-- | src/liblzma/common/delta_coder.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/src/liblzma/common/delta_coder.c b/src/liblzma/common/delta_coder.c index 8a5a18b4..9b260a01 100644 --- a/src/liblzma/common/delta_coder.c +++ b/src/liblzma/common/delta_coder.c @@ -83,25 +83,10 @@ delta_code(lzma_coder *coder, lzma_allocator *allocator, lzma_ret ret; if (coder->next.code == NULL) { - const size_t in_avail = in_size - *in_pos; - - if (coder->is_encoder) { - // Check that we don't have too much input. - if ((lzma_vli)(in_avail) > coder->uncompressed_size) - return LZMA_DATA_ERROR; - - // Check that once LZMA_FINISH has been given, the - // amount of input matches uncompressed_size if it - // is known. - if (action == LZMA_FINISH && coder->uncompressed_size - != LZMA_VLI_VALUE_UNKNOWN - && coder->uncompressed_size - != (lzma_vli)(in_avail)) - return LZMA_DATA_ERROR; - - } else { + if (!coder->is_encoder) { // Limit in_size so that we don't copy too much. - if ((lzma_vli)(in_avail) > coder->uncompressed_size) + if ((lzma_vli)(in_size - *in_pos) + > coder->uncompressed_size) in_size = *in_pos + (size_t)( coder->uncompressed_size); } |