16aec39eb
Paul Fox
2007-11-17
Subject
add comment clarifying busybox's use of non-standard tar header
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archival/libunarchive/get_header_tar.c+3 -0
| @@ -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 */ | |
archival/tar.c+4 -1
| @@ -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) */ |
| }; | |
| /* | |