diff options
Diffstat (limited to 'libarchive/archive_read_support_filter_zstd.c')
| -rw-r--r-- | libarchive/archive_read_support_filter_zstd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libarchive/archive_read_support_filter_zstd.c b/libarchive/archive_read_support_filter_zstd.c index c8bb36be703c..af7eeb7c1e24 100644 --- a/libarchive/archive_read_support_filter_zstd.c +++ b/libarchive/archive_read_support_filter_zstd.c @@ -119,6 +119,8 @@ zstd_bidder_bid(struct archive_read_filter_bidder *self, /* Zstd frame magic values */ const unsigned zstd_magic = 0xFD2FB528U; + const unsigned zstd_magic_skippable_start = 0x184D2A50U; + const unsigned zstd_magic_skippable_mask = 0xFFFFFFF0; (void) self; /* UNUSED */ @@ -129,6 +131,8 @@ zstd_bidder_bid(struct archive_read_filter_bidder *self, prefix = archive_le32dec(buffer); if (prefix == zstd_magic) return (32); + if ((prefix & zstd_magic_skippable_mask) == zstd_magic_skippable_start) + return (32); return (0); } |