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[VFATFS] Always provide a short name for FATX files (equal to long name)

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If no short name is provided, driver will think that the partition is corrupted.

CORE-16373
This commit is contained in:
Hervé Poussineau 2022-09-13 23:24:39 +02:00 committed by hpoussin
parent b935bfe6cb
commit 0979fb29e2
1 changed files with 3 additions and 6 deletions
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9
drivers/filesystems/vfatfs/direntry.c
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@ -497,10 +497,9 @@ FATXGetNextDirEntry(
switch (DirContext->DirIndex)
{
case 0: /* entry . */
DirContext->ShortNameU.Buffer[0] = 0;
DirContext->ShortNameU.Length = 0;
wcscpy(DirContext->LongNameU.Buffer, L".");
DirContext->LongNameU.Length = sizeof(WCHAR);
DirContext->ShortNameU = DirContext->LongNameU;
RtlCopyMemory(&DirContext->DirEntry.FatX, &pDirFcb->entry.FatX, sizeof(FATX_DIR_ENTRY));
DirContext->DirEntry.FatX.Filename[0] = '.';
DirContext->DirEntry.FatX.FilenameLength = 1;
@ -508,10 +507,9 @@ FATXGetNextDirEntry(
return STATUS_SUCCESS;
case 1: /* entry .. */
DirContext->ShortNameU.Buffer[0] = 0;
DirContext->ShortNameU.Length = 0;
wcscpy(DirContext->LongNameU.Buffer, L"..");
DirContext->LongNameU.Length = 2 * sizeof(WCHAR);
DirContext->ShortNameU = DirContext->LongNameU;
RtlCopyMemory(&DirContext->DirEntry.FatX, &pDirFcb->entry.FatX, sizeof(FATX_DIR_ENTRY));
DirContext->DirEntry.FatX.Filename[0] = DirContext->DirEntry.FatX.Filename[1] = '.';
DirContext->DirEntry.FatX.FilenameLength = 2;
@ -603,10 +601,9 @@ FATXGetNextDirEntry(
fatxDirEntry++;
}
}
DirContext->ShortNameU.Buffer[0] = 0;
DirContext->ShortNameU.Length = 0;
StringO.Buffer = (PCHAR)fatxDirEntry->Filename;
StringO.Length = StringO.MaximumLength = fatxDirEntry->FilenameLength;
RtlOemStringToUnicodeString(&DirContext->LongNameU, &StringO, FALSE);
DirContext->ShortNameU = DirContext->LongNameU;
return STATUS_SUCCESS;
}