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windows: fall back for volume info query

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Wine does not currently support FileFsVolumeInformation:

https://github.com/mirrors/wine/blob/0e42fd97c0/dlls/ntdll/file.c#L2679

So check io_status and fall back to previous behavior if not
implemented.
This commit is contained in:
Isaiah Norton 2014-03-02 12:07:36 -05:00 committed by Saúl Ibarra Corretgé
parent 409c7b37c1
commit 2930d04e5b
1 changed files with 5 additions and 3 deletions
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8
src/win/fs.c
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@ -861,9 +861,13 @@ INLINE static int fs__stat_handle(HANDLE handle, uv_stat_t* statbuf) {
FileFsVolumeInformation);
/* Buffer overflow (a warning status code) is expected here. */
if (NT_ERROR(nt_status)) {
if (io_status.Status == STATUS_NOT_IMPLEMENTED) {
statbuf->st_dev = 0;
} else if (NT_ERROR(nt_status)) {
SetLastError(pRtlNtStatusToDosError(nt_status));
return -1;
} else {
statbuf->st_dev = volume_info.VolumeSerialNumber;
}
/* Todo: st_mode should probably always be 0666 for everyone. We might also
@ -920,8 +924,6 @@ INLINE static int fs__stat_handle(HANDLE handle, uv_stat_t* statbuf) {
statbuf->st_nlink = file_info.StandardInformation.NumberOfLinks;
statbuf->st_dev = volume_info.VolumeSerialNumber;
/* The st_blksize is supposed to be the 'optimal' number of bytes for reading
* and writing to the disk. That is, for any definition of 'optimal' - it's
* supposed to at least avoid read-update-write behavior when writing to the