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From: | Carsten Lorenz |
Subject: | Re: [rdiff-backup-users] What filename characters does Mac OS X support? |
Date: | Mon, 24 Oct 2005 15:40:30 +0200 |
User-agent: | Mozilla Thunderbird 1.0.6 (Macintosh/20050716) |
Ben Escoto wrote:
The table is a list of characters that are allowed to be represented in different ways.Alastair Rankine <address@hidden> wrote the following on Sat, 22 Oct 2005 08:29:26 +1000Technote 1150 describes the HFS Plus volume format in great detail: http://developer.apple.com/technotes/tn/tn1150.html In particular, there's a table with a list of illegal characters here: http://developer.apple.com/technotes/tn/tn1150table.htmlThanks for the references. Unfortunately they're in unicode and I don't know enough to translate them to ascii offhand. Kevin Horton's message suggests that all the standard unix characters should be fine though. If anyone wants to be more precise about this, by looking at Alastair's table and translating it into normal unix calls (which deal with C char *'s), let me know what you come up with. Just some tests: The lowest mention character in this table is 0x00C0 which is an À. And if you enter "touch \300" the answer is "touch: À: Invalid argument". It must be replaced by the other Unicode coding 0x0041 and 0x0300 which is A and `. next test: 0x00B5 which is µ isn't mentioned. So it isn't replaced. Since this is all 16bit, a function may have converted it to UTF8 to get 8bit (C char). Then À is represented by 0x41 0xCC 0x80 and µ becomes 0xC2 0xB5. The codings of ASCII, Unicode and UTF8 are equal for characters <0x80. This characters aren't converted (accept that Unicode is 16bit). Carsten |
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