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Re: struct stat st_dev question
On Mon, Apr 12, 1999 at 09:01:55PM -0400, Chris Faylor wrote:
>Hmm. st_dev should be a disk's volume serial number, at least
>from my reading of the code in fhandler.cc.
>
>If it's always returning 4096, that's a bug.
Actually recent snapshots do not return 4096.
-chris
>On Mon, Apr 12, 1999 at 06:39:13PM -0500, Mumit Khan wrote:
>>I'm trying to debug a problem with egcs and the causes seems to be the
>>fact that the st_dev member of struct stat is always set to 4096. This
>>is with Cygwin b20.1 DLL (and needs to be since egcs-1.2 needs to work
>>with b20.1 as well as any future release). Can anyone confirm if this
>>is indeed intended?
>>
>>Here's a simple test case:
>>
>>=== cut here
>>
>> #include <sys/types.h>
>> #include <sys/stat.h>
>> #include <stdio.h>
>>
>> int main (int argc, char *argv[]) {
>> const char *path = (argc >= 2) ? argv[1] : "/";
>> struct stat s;
>> int i = stat (path, &s);
>> printf ("stat (%s) = %d\n", path, i);
>> printf ("inode = %d\n", s.st_ino);
>> printf ("%s.st_dev = %d\n", path, s.st_dev);
>>
>> return 0;
>> }
>>
>>=== to here
>>
>> $ ./stdev-test-cyg /
>> stat (/) = 0
>> inode = 22896814
>> /.st_dev = 4096
>> $ ./stdev-test-cyg //d
>> stat (//d) = 0
>> inode = 22642860
>> //d.st_dev = 4096
>> $ ./stdev-test-cyg //u
>> stat (//u) = 0
>> inode = 13213796
>> //u.st_dev = 4096
>>
>>Microsoft's runtime does report different device id's.
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