1.8 KiB
1.8 KiB
Stuffit format
All intergers are big-endians.
Archive header
| Offset | Length | Contents |
|---|---|---|
| 00 | Word | Magic number 1 (see below) |
| 04 | Half | Number of entries in root directory |
| 06 | Word | Total size of archive |
| 10 | Word | Magic number 2 (always 0x724c6175) |
| 14 | Byte | Version |
| 15 | Byte | Unknown |
| 16 | Word | Header size (if version not 1) |
| 20 | Half | CRC-16 of header |
Magic number 1 must be one of the following values: SIT!, ST46, ST50,
ST60, ST65, STin, STi2, STi3, STi4.
File / folder header
| Offset | Length | Contents |
|---|---|---|
| 000 | Byte | Resource fork compression method |
| 001 | Byte | Data fork compression method |
| 002 | Byte | File name length (in range 1-31) |
| 003 | 63 bytes | File name (remaning bytes are zero) |
| 066 | Word | Mac OS file type |
| 070 | Word | Mac OS file creator |
| 074 | Half | Mac OS Finder flags |
| 076 | Word | Creation date (Mac OS format) |
| 080 | Word | Modification date (Mac OS format) |
| 084 | Word | Resource fork uncompressed length |
| 088 | Word | Data fork uncompressed length |
| 092 | Word | Resource fork compressed length |
| 096 | Word | Data fork compressed length |
| 100 | Half | Resource fork CRC-16 |
| 102 | Half | Data fork CRC-16 |
| 104 | 6 bytes | Unknown |
| 110 | Half | Header CRC-16 |
Sources