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master
magic/Magdir/sccs
23 строки
899 B
Christos Zoulas
Improve v4 and add v6 support.
21 июн 2020, 00:32
21 июн 2020, 00:32
acaf8af
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#------------------------------------------------------------------------------ # $File: sccs,v 1.8 2020/06/20 21:32:52 christos Exp $ # sccs: file(1) magic for SCCS archives # # SCCS v4 archive structure: # \001h01207 # \001s 00276/00000/00000 # \001d D 1.1 87/09/23 08:09:20 ian 1 0 # \001c date and time created 87/09/23 08:09:20 by ian # \001e # \001u # \001U # ... etc. # Now '\001h' happens to be the same as the 3B20's a.out magic number (0550). # *Sigh*. And these both came from various parts of the USG. # Maybe we should just switch everybody from SCCS to RCS! # Further, you can't just say '\001h0', because the five-digit number # is a checksum that could (presumably) have any leading digit, # Fortunately we have regular expression matching: 0 string \001h >2 regex [0-9][0-9][0-9][0-9][0-9]$ >>8 string \001s\040 SCCS v4 archive data >2 string V6,sum= SCCS v6 archive data