Enable a stricter magic and explain the palmos header from Ralf Brown

diff --git a/magic/Magdir/palm b/magic/Magdir/palm
index a3eeae87bdc15b729168bcc03c8da943ad722910..b624c0dccc9b92a8d682d4e4ec1d8cc24d69b91a 100644 (file)
--- a/magic/Magdir/palm
+++ b/magic/Magdir/palm
@@ -1,6 +1,6 @@
 
 #------------------------------------------------------------------------------
-# $File: palm,v 1.8 2011/12/15 16:21:43 christos Exp $
+# $File: palm,v 1.9 2012/01/16 15:16:43 christos Exp $
 # palm:         file(1) magic for PalmOS {.prc,.pdb}: applications, docfiles, and hacks
 #
 # Brian Lalor <blalor@hcirisc.cs.binghamton.edu>
@@ -9,14 +9,34 @@
 # 8 character identifiers at byte 60, one I found for appl is BIGb.
 # What are the possibilities and where is this documented?
 
+# The common header format for PalmOS .pdb/.prc files is
+# {
+#         char            name[ 32 ];
+#         Word            attributes;
+#         Word            version;
+#         DWord           creationDate;
+#         DWord           modificationDate;
+#         DWord           lastBackupDate;
+#         DWord           modificationNumber;
+#         DWord           appInfoID;
+#         DWord           sortInfoID;
+#         char            type[4];
+#         char            creator[4];
+#         DWord           uniqueIDSeed;
+#         RecordListType  recordList;
+# };
+#
+# Datestamps are unsigned seconds since the MacOS epoch (Jan 1, 1904),
+# or Unix/POSIX time + 2082844800.
+
 # appl
 #59    byte                    \0
 #>60   string                  appl            PalmOS application
 #>0    string                  >\0             "%s"
-# TEXt
-#59    byte                    \0
-#>60   belong                  TEXt            AportisDoc file
-#>0    string                  >\0             "%s"
+# TEXtREAd
+59     byte                    \0
+60     string                  TEXtREAd        AportisDoc/PalmDOC E-book
+>0     string                  >\0             "%s"
 # HACK
 #59    byte                    \0
 #>60   string                  HACK            HackMaster hack