diff options
Diffstat (limited to 'doc/magic.man')
| -rw-r--r-- | doc/magic.man | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/doc/magic.man b/doc/magic.man index 1b89879f6fdb2..15165daa5eabb 100644 --- a/doc/magic.man +++ b/doc/magic.man @@ -1,5 +1,6 @@ -.\" $File: magic.man,v 1.92 2017/11/04 01:11:32 christos Exp $ -.Dd Noveber 3, 2017 +.It S2 +.\" $File: magic.man,v 1.93 2018/06/22 20:39:49 christos Exp $ +.Dd June 22, 2018 .Dt MAGIC __FSECTION__ .Os .\" install as magic.4 on USG, magic.5 on V7, Berkeley and Linux systems. @@ -553,12 +554,12 @@ the file. The value at that offset is read, and is used again as an offset in the file. Indirect offsets are of the form: -.Em (( x [[.,][bislBISL]][+\-][ y ]) . +.Em (( x [[.,][bBcCeEfFgGhHiIlmsSqQ]][+\-][ y ]) . The value of .Em x is used as an offset in the file. A byte, id3 length, short or long is read at that offset depending on the -.Em [bislBISLm] +.Em [bBcCeEfFgGhHiIlmsSqQ] type specifier. The value is treated as signed if .Dq , @@ -575,6 +576,20 @@ To that number the value of .Em y is added and the result is used as an offset in the file. The default type if one is not specified is long. +The following types are recognized: +.Bl -column -offset indent "Type" "Half/Short" "Little" "Size" +.It Sy Type Sy Mnemonic Sy Endian Sy Size +.It bcBc Byte/Char N/A 1 +.It efg Double Little 8 +.It EFG Double Big 8 +.It hs Half/Short Little 2 +.It HS Half/Short Big 2 +.It i ID3 Little 4 +.It I ID3 Big 4 +.It m Middle Middle 4 +.It q Quad Little 8 +.It Q Quad Big 8 +.El .Pp That way variable length structures can be examined: .Bd -literal -offset indent |