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| author | Lasse Collin <lasse.collin@tukaani.org> | 2013-02-27 16:32:03 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2013-02-27 16:32:03 +0100 |
| commit | 18714d8460f800476011d83bb956f4457f332acf (patch) | |
| tree | 2fa8662c2bb16be97ab25f91bcc91d97a6a6fdd9 /archival/libarchive | |
| parent | 9056fcecbfe5f16749ddd61f4ddb7dd4905a7ee8 (diff) | |
| download | busybox-18714d8460f800476011d83bb956f4457f332acf.tar.gz | |
xz: add a comment about using uint32_t as vli_type
Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/libarchive')
| -rw-r--r-- | archival/libarchive/unxz/xz_stream.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/archival/libarchive/unxz/xz_stream.h b/archival/libarchive/unxz/xz_stream.h index 2ffaa34ea..66cb5a705 100644 --- a/archival/libarchive/unxz/xz_stream.h +++ b/archival/libarchive/unxz/xz_stream.h @@ -32,8 +32,13 @@ #define FOOTER_MAGIC_SIZE 2 /* - * Variable-length integer can hold a 63-bit unsigned integer, or a special - * value to indicate that the value is unknown. + * Variable-length integer can hold a 63-bit unsigned integer or a special + * value indicating that the value is unknown. + * + * Experimental: vli_type can be defined to uint32_t to save a few bytes + * in code size (no effect on speed). Doing so limits the uncompressed and + * compressed size of the file to less than 256 MiB and may also weaken + * error detection slightly. */ typedef uint64_t vli_type; |