Re: getting drive/media type (CD/DVD only)
Re: getting drive/media type (CD/DVD only)
- Subject: Re: getting drive/media type (CD/DVD only)
- From: Simon Bovet <email@hidden>
- Date: Wed, 22 Jun 2005 14:05:05 +0200
This thread finished by only indicating how to retrieve the icon of a
given volume. What if I want to know which volumes are actual CDs or
DVDs?
So far, I use statfs and define a CD/DVD (i.e. anything for which the
finder would show a disc icon) as a volume for which either:
- buffer.f_bavail == 0
- or buffer.f_mntfromname begins with "/dev/disk1"
Is that a correct/reliable way of detecting CDs or DVDs?
Thanks for any hint!
Simon
Hi Joannou,
actually, I've noticed that f_fstypename was "hfs" for HD or
networks and "udf" for a CD. Is this reliable? What would be the
type for a firewire drive/iPod, or any other type of device? Is
there a list I can consult?
I have to create a window that displays network drives, HD, CD,
etc in a table view so I need to know what type of drive it is so
I can display the correct icon.
Thanks!
On 12-Apr-05, at 9:22 PM, Joannou Ng wrote:
Hi Luc,
I use the value of f_fstypename in the statfs struct to determine
volume format for an app that I wrote that only targeted Xsan
volumes.
What specific information are you looking for?
Cheers, Joannou.
On 2005 Apr 12, at 20:22, Luc Vandal wrote:
Hi,
I've been looking for a way to get information about volumes
(removable, CD, FW, iPod, HD, etc.). So far I've been using
getFileSystemInfoForPath and statfs but unless I'm not using the
correctly, I don't really get any information about what I'm
looking for.
Here's the code I'm using:
while (file = [enumerator nextObject])
{
NSString* strFile = [NSString stringWithFormat:@"%s%s",
"/Volumes/", [file cString]];
[[NSWorkspace sharedWorkspace]
getFileSystemInfoForPath:strFile isRemovable:&bIsRemovable
isWritable:&bIsWritable isUnmountable:&bIsUnmountable
description:&strDesc type:&strType];
[enumerator skipDescendents];
struct statfs b;
statfs( [strFile cString], &b );
NSDictionary* dir = [enumerator directoryAttributes];
[self addVolume:file icon:@"VOL"];
}
First, strDesc and strType are always null. Is there anything
helpful in the statfs struct that could help me find the
information I'm looking for?
Thanks!
Luc _______________________________________________
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