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| author | Paul Fox <pgf@brightstareng.com> | 2007-11-17 19:11:05 +0000 |
|---|---|---|
| committer | Paul Fox <pgf@brightstareng.com> | 2007-11-17 19:11:05 +0000 |
| commit | 16aec39ebeb2246b0a0d335d5f02f6e1ebca67d1 (patch) | |
| tree | 37901984021d0f4048ae31f419ae3c366335c264 /archival | |
| parent | 8512862163fd7249a5e6e187eca21232d4eeadcc (diff) | |
| download | busybox-16aec39ebeb2246b0a0d335d5f02f6e1ebca67d1.tar.gz | |
add comment clarifying busybox's use of non-standard tar header
Diffstat (limited to 'archival')
| -rw-r--r-- | archival/libunarchive/get_header_tar.c | 3 | ||||
| -rw-r--r-- | archival/tar.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c index bbf088cd8..274bd4607 100644 --- a/archival/libunarchive/get_header_tar.c +++ b/archival/libunarchive/get_header_tar.c @@ -61,6 +61,9 @@ char get_header_tar(archive_handle_t *archive_handle) char linkname[100]; /* 157-256 */ /* POSIX: "ustar" NUL "00" */ /* GNU tar: "ustar " NUL */ + /* Normally it's defined as magic[6] followed by + * version[2], but we put them together to save code. + */ char magic[8]; /* 257-264 */ char uname[32]; /* 265-296 */ char gname[32]; /* 297-328 */ diff --git a/archival/tar.c b/archival/tar.c index bbde88a57..5b19093e8 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -52,13 +52,16 @@ struct TarHeader { /* byte offset */ char linkname[NAME_SIZE]; /* 157-256 */ /* POSIX: "ustar" NUL "00" */ /* GNU tar: "ustar " NUL */ + /* Normally it's defined as magic[6] followed by + * version[2], but we put them together to save code. + */ char magic[8]; /* 257-264 */ char uname[32]; /* 265-296 */ char gname[32]; /* 297-328 */ char devmajor[8]; /* 329-336 */ char devminor[8]; /* 337-344 */ char prefix[155]; /* 345-499 */ - char padding[12]; /* 500-512 (pad to exactly the TAR_BLOCK_SIZE) */ + char padding[12]; /* 500-512 (pad to exactly TAR_BLOCK_SIZE) */ }; /* |