diff options
Diffstat (limited to 'Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c')
| -rw-r--r-- | Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c b/Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c index 1bc2f97c51..8cf48a4ca9 100644 --- a/Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c +++ b/Utilities/cmliblzma/liblzma/common/stream_flags_decoder.c @@ -30,13 +30,15 @@ stream_flags_decode(lzma_stream_flags *options, const uint8_t *in) extern LZMA_API(lzma_ret) lzma_stream_header_decode(lzma_stream_flags *options, const uint8_t *in) { + uint32_t crc; + // Magic if (memcmp(in, lzma_header_magic, sizeof(lzma_header_magic)) != 0) return LZMA_FORMAT_ERROR; // Verify the CRC32 so we can distinguish between corrupt // and unsupported files. - const uint32_t crc = lzma_crc32(in + sizeof(lzma_header_magic), + crc = lzma_crc32(in + sizeof(lzma_header_magic), LZMA_STREAM_FLAGS_SIZE, 0); if (crc != unaligned_read32le(in + sizeof(lzma_header_magic) + LZMA_STREAM_FLAGS_SIZE)) @@ -59,13 +61,15 @@ lzma_stream_header_decode(lzma_stream_flags *options, const uint8_t *in) extern LZMA_API(lzma_ret) lzma_stream_footer_decode(lzma_stream_flags *options, const uint8_t *in) { + uint32_t crc; + // Magic if (memcmp(in + sizeof(uint32_t) * 2 + LZMA_STREAM_FLAGS_SIZE, lzma_footer_magic, sizeof(lzma_footer_magic)) != 0) return LZMA_FORMAT_ERROR; // CRC32 - const uint32_t crc = lzma_crc32(in + sizeof(uint32_t), + crc = lzma_crc32(in + sizeof(uint32_t), sizeof(uint32_t) + LZMA_STREAM_FLAGS_SIZE, 0); if (crc != unaligned_read32le(in)) return LZMA_DATA_ERROR; |