diff options
Diffstat (limited to 'include/unarchive.h')
| -rw-r--r-- | include/unarchive.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/unarchive.h b/include/unarchive.h index b4cf16082..3b8e1575a 100644 --- a/include/unarchive.h +++ b/include/unarchive.h @@ -7,16 +7,21 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN enum { #if BB_BIG_ENDIAN COMPRESS_MAGIC = 0x1f9d, - GZIP_MAGIC = 0x1f8b, - BZIP2_MAGIC = ('B'<<8) + 'Z', - XZ_MAGIC1 = (0xfd<<8) + '7', - XZ_MAGIC2 = ((((('z'<<8) + 'X')<<8) + 'Z')<<8) + 0, + GZIP_MAGIC = 0x1f8b, + BZIP2_MAGIC = 'B' * 256 + 'Z', + XZ_MAGIC1 = 0xfd * 256 + '7', + XZ_MAGIC2 = (('z' * 256 + 'X') * 256 + 'Z') * 256 + 0, + /* Different form: 32 bits, then 16 bits: */ + XZ_MAGIC1a = ((0xfd * 256 + '7') * 256 + 'z') * 256 + 'X', + XZ_MAGIC2a = 'Z' * 256 + 0, #else COMPRESS_MAGIC = 0x9d1f, - GZIP_MAGIC = 0x8b1f, - BZIP2_MAGIC = ('Z'<<8) + 'B', - XZ_MAGIC1 = ('7'<<8) + 0xfd, - XZ_MAGIC2 = (((((0<<8) + 'Z')<<8) + 'X')<<8) + 'z', + GZIP_MAGIC = 0x8b1f, + BZIP2_MAGIC = 'Z' * 256 + 'B', + XZ_MAGIC1 = '7' * 256 + 0xfd, + XZ_MAGIC2 = ((0 * 256 + 'Z') * 256 + 'X') * 256 + 'z', + XZ_MAGIC1a = (('X' * 256 + 'z') * 256 + '7') * 256 + 0xfd, + XZ_MAGIC2a = 0 * 256 + 'Z', #endif }; @@ -196,7 +201,7 @@ typedef struct inflate_unzip_result { } inflate_unzip_result; IF_DESKTOP(long long) int inflate_unzip(inflate_unzip_result *res, off_t compr_size, int src_fd, int dst_fd) FAST_FUNC; -/* xz unpacker takes .xz stream from offset 0 */ +/* xz unpacker takes .xz stream from offset 6 */ IF_DESKTOP(long long) int unpack_xz_stream(int src_fd, int dst_fd) FAST_FUNC; /* lzma unpacker takes .lzma stream from offset 0 */ IF_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd) FAST_FUNC; |