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This change shouldn't mess things up, if used together with latest vfat version.

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NtQueryInformationFile is required to return valid name information for this to work.

svn path=/trunk/; revision=1840
This commit is contained in:
Carl Nettelblad 2001-04-29 21:09:20 +00:00
parent 59e33e46af
commit 7e0bfac662
1 changed files with 49 additions and 3 deletions
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52
reactos/lib/ntdll/rtl/path.c
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@ -1,4 +1,4 @@
/* $Id: path.c,v 1.8 2001/03/08 22:48:42 dwelch Exp $
/* $Id: path.c,v 1.9 2001/04/29 21:09:20 cnettel Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -15,6 +15,7 @@
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <ddk/obfuncs.h>
#define NDEBUG
#include <ntdll/ntdll.h>
@ -283,7 +284,10 @@ NTSTATUS STDCALL RtlSetCurrentDirectory_U (PUNICODE_STRING name)
HANDLE handle = NULL;
PWSTR wcs;
PWSTR buf = 0;
PFILE_NAME_INFORMATION filenameinfo;
ULONG backslashcount = 0;
PWSTR cntr;
DPRINT ("RtlSetCurrentDirectory %wZ\n", name);
RtlAcquirePebLock ();
@ -344,7 +348,49 @@ NTSTATUS STDCALL RtlSetCurrentDirectory_U (PUNICODE_STRING name)
RtlReleasePebLock ();
return Status;
}
filenameinfo = RtlAllocateHeap (RtlGetProcessHeap(),
0,
MAX_PATH*sizeof(WCHAR)+sizeof(ULONG));
NtQueryInformationFile(handle,NULL, filenameinfo,MAX_PATH*sizeof(WCHAR)+sizeof(ULONG),FileNameInformation);
if (filenameinfo->FileName[1]) // If it's just "\", we need special handling
{
wcs = buf + size / sizeof(WCHAR) - 1;
if (*wcs == L'\\')
{
*(wcs) = 0;
wcs--;
size -= sizeof(WCHAR);
}
for (cntr=filenameinfo->FileName;*cntr!=0;cntr++)
{
if (*cntr=='\\') backslashcount++;
}
DPRINT("%d \n",backslashcount);
for (;backslashcount;wcs--)
{
if (*wcs=='\\') backslashcount--;
}
wcs++;
wcscpy(wcs,filenameinfo->FileName);
size=((wcs-buf)+wcslen(filenameinfo->FileName))*sizeof(WCHAR);
}
RtlFreeHeap (RtlGetProcessHeap (),
0,
filenameinfo);
/* append backslash if missing */
wcs = buf + size / sizeof(WCHAR) - 1;
if (*wcs != L'\\')
@ -353,7 +399,7 @@ NTSTATUS STDCALL RtlSetCurrentDirectory_U (PUNICODE_STRING name)
*(++wcs) = 0;
size += sizeof(WCHAR);
}
memmove (cd->DosPath.Buffer,
buf,
size + sizeof(WCHAR));