Implemented RtlDosPathNameToNtPathName_U, RtlGetCurrentDirectory_U,

dlls/ntdll/ntdll.spec

@@ -348,9 +348,9 @@
 @ stub RtlDestroyProcessParameters
 @ stub RtlDestroyQueryDebugBuffer
 @ stdcall RtlDetermineDosPathNameType_U(wstr)
-@ stub RtlDoesFileExists_U
-@ stdcall RtlDosPathNameToNtPathName_U(ptr ptr long long)
-@ stub RtlDosSearchPath_U
+@ stub RtlDoesFileExists_U #(wstr)
+@ stdcall RtlDosPathNameToNtPathName_U(wstr ptr ptr ptr)
+@ stub RtlDosSearchPath_U #(wstr wstr wstr long ptr ptr)
 @ stdcall RtlDowncaseUnicodeChar(long)
 @ stdcall RtlDowncaseUnicodeString(ptr ptr long)
 @ stdcall RtlDumpResource(ptr)
@@ -408,10 +408,10 @@
 @ stub RtlGetCallersAddress
 @ stub RtlGetCompressionWorkSpaceSize
 @ stdcall RtlGetControlSecurityDescriptor(ptr ptr ptr)
-@ stub RtlGetCurrentDirectory_U
+@ stdcall RtlGetCurrentDirectory_U(long ptr)
 @ stdcall RtlGetDaclSecurityDescriptor(ptr ptr ptr ptr)
 @ stub RtlGetElementGenericTable
-@ stub RtlGetFullPathName_U
+@ stdcall RtlGetFullPathName_U(wstr long ptr ptr)
 @ stdcall RtlGetGroupSecurityDescriptor(ptr ptr ptr)
 @ stdcall RtlGetLongestNtPathLength()
 @ stub RtlGetNtGlobalFlags
@@ -511,7 +511,7 @@
 @ stub RtlSelfRelativeToAbsoluteSD
 @ stdcall RtlSetAllBits(ptr)
 @ stdcall RtlSetBits(ptr long long)
-@ stub RtlSetCurrentDirectory_U
+@ stdcall RtlSetCurrentDirectory_U(ptr)
 @ stdcall RtlSetCurrentEnvironment(wstr ptr)
 @ stdcall RtlSetDaclSecurityDescriptor(ptr long ptr long)
 @ stdcall RtlSetEnvironmentVariable(ptr ptr ptr)

dlls/ntdll/path.c

@@ -24,9 +24,14 @@
 #include "winternl.h"
 #include "wine/unicode.h"
 #include "wine/debug.h"
+#include "ntdll_misc.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(file);
 
+static const WCHAR DeviceRootW[] = {'\\','\\','.','\\',0};
+static const WCHAR NTDosPrefixW[] = {'\\','?','?','\\',0};
+static const WCHAR UncPfxW[] = {'U','N','C','\\',0};
+
 #define IS_SEPARATOR(ch)  ((ch) == '\\' || (ch) == '/')
 
 /***********************************************************************
@@ -50,7 +55,6 @@ DOS_PATHNAME_TYPE WINAPI RtlDetermineDosPathNameType_U( PCWSTR path )
     }
 }
 
-
 /***********************************************************************
  *             RtlIsDosDeviceName_U   (NTDLL.@)
  *
@@ -129,6 +133,370 @@ ULONG WINAPI RtlIsDosDeviceName_U( PCWSTR dos_name )
 }
 
 
+/**************************************************************************
+ *                 RtlDosPathNameToNtPathName_U		[NTDLL.@]
+ *
+ * dos_path: a DOS path name (fully qualified or not)
+ * ntpath:   pointer to a UNICODE_STRING to hold the converted
+ *           path name
+ * file_part:will point (in ntpath) to the file part in the path
+ * cd:       directory reference (optional)
+ *
+ * FIXME:
+ *      + fill the cd structure
+ */
+BOOLEAN  WINAPI RtlDosPathNameToNtPathName_U(PWSTR dos_path,
+                                             PUNICODE_STRING ntpath,
+                                             PWSTR* file_part,
+                                             CURDIR* cd)
+{
+    static const WCHAR LongFileNamePfxW[4] = {'\\','\\','?','\\'};
+    ULONG sz, ptr_sz, offset;
+    WCHAR local[MAX_PATH];
+    LPWSTR ptr;
+
+    TRACE("(%s,%p,%p,%p)\n",
+          debugstr_w(dos_path), ntpath, file_part, cd);
+
+    if (cd)
+    {
+        FIXME("Unsupported parameter\n");
+        memset(cd, 0, sizeof(*cd));
+    }
+
+    if (!dos_path || !*dos_path) return FALSE;
+
+    if (!memcmp(dos_path, LongFileNamePfxW, sizeof(LongFileNamePfxW)))
+    {
+        dos_path += sizeof(LongFileNamePfxW) / sizeof(WCHAR);
+        ptr = NULL;
+        ptr_sz = 0;
+    }
+    else
+    {
+        ptr = local;
+        ptr_sz = sizeof(local);
+    }
+    sz = RtlGetFullPathName_U(dos_path, ptr_sz, ptr, file_part);
+    if (sz == 0) return FALSE;
+    if (sz > ptr_sz)
+    {
+        ptr = RtlAllocateHeap(ntdll_get_process_heap(), 0, sz);
+        sz = RtlGetFullPathName_U(dos_path, sz, ptr, file_part);
+    }
+
+    ntpath->MaximumLength = sz + (4 /* unc\ */ + 4 /* \??\ */) * sizeof(WCHAR);
+    ntpath->Buffer = RtlAllocateHeap(ntdll_get_process_heap(), 0, ntpath->MaximumLength);
+    if (!ntpath->Buffer)
+    {
+        if (ptr != local) RtlFreeHeap(ntdll_get_process_heap(), 0, ptr);
+        return FALSE;
+    }
+
+    strcpyW(ntpath->Buffer, NTDosPrefixW);
+    offset = 0;
+    switch (RtlDetermineDosPathNameType_U(ptr))
+    {
+    case UNC_PATH: /* \\foo */
+        if (ptr[2] != '?')
+        {
+            offset = 2;
+            strcatW(ntpath->Buffer, UncPfxW);
+        }
+        break;
+    case DEVICE_PATH: /* \\.\foo */
+        offset = 4;
+        break;
+    default: break; /* needed to keep gcc quiet */
+    }
+
+    strcatW(ntpath->Buffer, ptr + offset);
+    ntpath->Length = strlenW(ntpath->Buffer) * sizeof(WCHAR);
+
+    if (file_part && *file_part)
+        *file_part = ntpath->Buffer + ntpath->Length / sizeof(WCHAR) - lstrlenW(*file_part);
+
+    /* FIXME: cd filling */
+
+    if (ptr != local) RtlFreeHeap(ntdll_get_process_heap(), 0, ptr);
+    return TRUE;
+}
+
+/******************************************************************
+ *		get_full_path_helper
+ *
+ * Helper for RtlGetFullPathName_U
+ */
+static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
+{
+    ULONG               reqsize, mark = 0;
+    DOS_PATHNAME_TYPE   type;
+    LPWSTR              ptr;
+    UNICODE_STRING*     cd;
+
+    reqsize = sizeof(WCHAR); /* '\0' at the end */
+
+    RtlAcquirePebLock();
+    cd = &ntdll_get_process_pmts()->CurrentDirectoryName;
+
+    switch (type = RtlDetermineDosPathNameType_U(name))
+    {
+    case UNC_PATH:              /* \\foo   */
+    case DEVICE_PATH:           /* \\.\foo */
+        if (reqsize <= size) buffer[0] = '\0';
+        break;
+
+    case ABSOLUTE_DRIVE_PATH:   /* c:\foo  */
+        reqsize += sizeof(WCHAR);
+        if (reqsize <= size)
+        {
+            buffer[0] = toupperW(name[0]);
+            buffer[1] = '\0';
+        }
+        name++;
+        break;
+
+    case RELATIVE_DRIVE_PATH:   /* c:foo   */
+        if (toupperW(name[0]) != toupperW(cd->Buffer[0]) || cd->Buffer[1] != ':')
+        {
+            WCHAR               drive[4];
+            UNICODE_STRING      var, val;
+
+            drive[0] = '=';
+            drive[1] = name[0];
+            drive[2] = ':';
+            drive[3] = '\0';
+            var.Length = 6;
+            var.MaximumLength = 8;
+            var.Buffer = drive;
+            val.Length = 0;
+            val.MaximumLength = size;
+            val.Buffer = buffer;
+
+            name += 2;
+
+            switch (RtlQueryEnvironmentVariable_U(NULL, &var, &val))
+            {
+            case STATUS_SUCCESS:
+                /* FIXME: Win2k seems to check that the environment variable actually points 
+                 * to an existing directory. If not, root of the drive is used
+                 * (this seems also to be the only spot in RtlGetFullPathName that the 
+                 * existence of a part of a path is checked)
+                 */
+                /* fall thru */
+            case STATUS_BUFFER_TOO_SMALL:
+                reqsize += val.Length;
+                /* append trailing \\ */
+                reqsize += sizeof(WCHAR);
+                if (reqsize <= size)
+                {
+                    buffer[reqsize / sizeof(WCHAR) - 2] = '\\';
+                    buffer[reqsize / sizeof(WCHAR) - 1] = '\0';
+                }
+                break;
+            case STATUS_VARIABLE_NOT_FOUND:
+                reqsize += 3 * sizeof(WCHAR);
+                if (reqsize <= size)
+                {
+                    buffer[0] = drive[1];
+                    buffer[1] = ':';
+                    buffer[2] = '\\';
+                    buffer[3] = '\0';
+                }
+                break;
+            default:
+                ERR("Unsupported status code\n");
+                break;
+            }
+            break;
+        }
+        name += 2;
+        /* fall through */
+
+    case RELATIVE_PATH:         /* foo     */
+        reqsize += cd->Length;
+        mark = cd->Length / sizeof(WCHAR);
+        if (reqsize <= size)
+            strcpyW(buffer, cd->Buffer);
+        break;
+
+    case ABSOLUTE_PATH:         /* \xxx    */
+        if (cd->Buffer[1] == ':')
+        {
+            reqsize += 2 * sizeof(WCHAR);
+            if (reqsize <= size)
+            {
+                buffer[0] = cd->Buffer[0];
+                buffer[1] = ':';
+                buffer[2] = '\0';
+            }
+        }
+        else
+        {
+            unsigned    len;
+
+            ptr = strchrW(cd->Buffer + 2, '\\');
+            if (ptr) ptr = strchrW(ptr + 1, '\\');
+            if (!ptr) ptr = cd->Buffer + strlenW(cd->Buffer);
+            len = (ptr - cd->Buffer) * sizeof(WCHAR);
+            reqsize += len;
+            mark = len / sizeof(WCHAR);
+            if (reqsize <= size)
+            {
+                memcpy(buffer, cd->Buffer, len);
+                buffer[len / sizeof(WCHAR)] = '\0';
+            }
+            else
+                buffer[0] = '\0';
+        }
+        break;
+
+    case UNC_DOT_PATH:         /* \\.     */
+        reqsize += 4 * sizeof(WCHAR);
+        name += 3;
+        if (reqsize <= size)
+        {
+            buffer[0] = '\\';
+            buffer[1] = '\\';
+            buffer[2] = '.';
+            buffer[3] = '\\';
+            buffer[4] = '\0';
+        }
+        break;
+
+    case INVALID_PATH:
+        reqsize = 0;
+        goto done;
+    }
+
+    reqsize += strlenW(name) * sizeof(WCHAR);
+    if (reqsize > size) goto done;
+
+    strcatW(buffer, name);
+
+    /* convert every / into a \ */
+    for (ptr = buffer; ptr < buffer + size / sizeof(WCHAR); ptr++) 
+        if (*ptr == '/') *ptr = '\\';
+
+    reqsize -= sizeof(WCHAR); /* don't count trailing \0 */
+
+    /* mark is non NULL for UNC names, so start path collapsing after server & share name
+     * otherwise, it's a fully qualified DOS name, so start after the drive designation
+     */
+    for (ptr = buffer + (mark ? mark : 2); ptr < buffer + reqsize / sizeof(WCHAR); )
+    {
+        WCHAR* p = strchrW(ptr, '\\');
+        if (!p) break;
+
+        p++;
+        if (p[0] == '.')
+        {
+            switch (p[1])
+            {
+            case '.':
+                switch (p[2])
+                {
+                case '\\':
+                    {
+                        WCHAR*      prev = p - 2;
+                        while (prev >= buffer + mark && *prev != '\\') prev--;
+                        /* either collapse \foo\.. into \ or \.. into \ */
+                        if (prev < buffer + mark) prev = p - 1;
+                        reqsize -= (p + 2 - prev) * sizeof(WCHAR);
+                        memmove(prev, p + 2, buffer + reqsize - prev + sizeof(WCHAR));
+                    }
+                    break;
+                case '\0':
+                    reqsize -= 2 * sizeof(WCHAR);
+                    *p = 0;
+                    break;
+                }
+                break;
+            case '\\':
+                reqsize -= 2 * sizeof(WCHAR);
+                memmove(ptr + 2, ptr, buffer + reqsize - ptr + sizeof(WCHAR));
+                break;
+            }
+        }
+        ptr = p;
+    }
+
+done:
+    RtlReleasePebLock();
+    return reqsize;
+}
+
+/******************************************************************
+ *		RtlGetFullPathName_U  (NTDLL.@)
+ *
+ * Returns the number of bytes written to buffer (not including the
+ * terminating NULL) if the function succeeds, or the required number of bytes
+ * (including the terminating NULL) if the buffer is to small.
+ *
+ * file_part will point to the filename part inside buffer (except if we use
+ * DOS device name, in which case file_in_buf is NULL)
+ *
+ */
+DWORD WINAPI RtlGetFullPathName_U(const WCHAR* name, ULONG size, WCHAR* buffer,
+                                  WCHAR** file_part)
+{
+    DWORD       dosdev;
+    DWORD       reqsize;
+
+    TRACE("(%s %lu %p %p)\n", debugstr_w(name), size, buffer, file_part);
+
+    if (!name || !*name) return 0;
+
+    if (file_part) *file_part = NULL;
+
+    /* check for DOS device name */
+    dosdev = RtlIsDosDeviceName_U(name);
+    if (dosdev)
+    {
+        DWORD   offset = HIWORD(dosdev) / sizeof(WCHAR); /* get it in WCHARs, not bytes */
+        DWORD   sz = LOWORD(dosdev); /* in bytes */
+
+        if (8 + sz + 2 > size) return sz + 10;
+        strcpyW(buffer, DeviceRootW);
+        memmove(buffer + 4, name + offset, sz);
+        buffer[4 + sz / sizeof(WCHAR)] = '\0';
+        /* file_part isn't set in this case */
+        return sz + 8;
+    }
+
+    reqsize = get_full_path_helper(name, buffer, size);
+    if (reqsize > size)
+    {
+        LPWSTR  tmp = RtlAllocateHeap(ntdll_get_process_heap(), 0, reqsize);
+        reqsize = get_full_path_helper(name, tmp, reqsize) + sizeof(WCHAR);
+        RtlFreeHeap(ntdll_get_process_heap(), 0, tmp);
+    }
+    else
+    {
+        WCHAR*      ptr;
+        /* find file part */
+        if (file_part && (ptr = strrchrW(buffer, '\\')) != NULL && ptr >= buffer + 2 && *++ptr)
+            *file_part = ptr;
+    }
+    return reqsize;
+}
+
+/*************************************************************************
+ * RtlGetLongestNtPathLength    [NTDLL.@]
+ *
+ * Get the longest allowed path length
+ *
+ * PARAMS
+ *  None.
+ *
+ * RETURNS
+ *  The longest allowed path length (277 characters under Win2k).
+ */
+DWORD WINAPI RtlGetLongestNtPathLength(void)
+{
+    return 277;
+}
+
 /******************************************************************
  *             RtlIsNameLegalDOS8Dot3   (NTDLL.@)
  *
@@ -197,3 +565,120 @@ BOOLEAN WINAPI RtlIsNameLegalDOS8Dot3( const UNICODE_STRING *unicode,
     if (spaces) *spaces = got_space;
     return TRUE;
 }
+
+/******************************************************************
+ *		RtlGetCurrentDirectory_U (NTDLL.@)
+ *
+ */
+NTSTATUS WINAPI RtlGetCurrentDirectory_U(ULONG buflen, LPWSTR buf)
+{
+    UNICODE_STRING*     us;
+    ULONG               len;
+
+    TRACE("(%lu %p)\n", buflen, buf);
+
+    RtlAcquirePebLock();
+
+    us = &ntdll_get_process_pmts()->CurrentDirectoryName;
+    len = us->Length / sizeof(WCHAR);
+    if (us->Buffer[len - 1] == '\\' && us->Buffer[len - 2] != ':')
+        len--;
+
+    if (buflen / sizeof(WCHAR) > len)
+    {
+        memcpy(buf, us->Buffer, len * sizeof(WCHAR));
+        buf[len] = '\0';
+    }
+    else
+    {
+        len++;
+    }
+
+    RtlReleasePebLock();
+
+    return len * sizeof(WCHAR);
+}
+
+/******************************************************************
+ *		RtlSetCurrentDirectory_U (NTDLL.@)
+ *
+ */
+NTSTATUS WINAPI RtlSetCurrentDirectory_U(const UNICODE_STRING* dir)
+{
+    UNICODE_STRING*     curdir;
+    NTSTATUS            nts = STATUS_SUCCESS;
+    ULONG               size;
+    PWSTR               buf = NULL;
+
+    TRACE("(%s)\n", debugstr_w(dir->Buffer));
+
+    RtlAcquirePebLock();
+
+    curdir = &ntdll_get_process_pmts()->CurrentDirectoryName;
+    size = curdir->MaximumLength;
+
+    buf = RtlAllocateHeap(ntdll_get_process_heap(), 0, size);
+    if (buf == NULL)
+    {
+        nts = STATUS_NO_MEMORY;
+        goto out;
+    }
+
+    size = RtlGetFullPathName_U(dir->Buffer, size, buf, 0);
+    if (!size)
+    {
+        nts = STATUS_OBJECT_NAME_INVALID;
+        goto out;
+    }
+
+    switch (RtlDetermineDosPathNameType_U(buf))
+    {
+    case ABSOLUTE_DRIVE_PATH:
+    case UNC_PATH:
+        break;
+    default:
+        FIXME("Don't support those cases yes\n");
+        nts = STATUS_NOT_IMPLEMENTED;
+        goto out;
+    }
+
+    /* FIXME: should check that the directory actually exists,
+     * and fill CurrentDirectoryHandle accordingly 
+     */
+
+    /* append trailing \ if missing */
+    if (buf[size / sizeof(WCHAR) - 1] != '\\')
+    {
+        buf[size / sizeof(WCHAR)] = '\\';
+        buf[size / sizeof(WCHAR) + 1] = '\0';
+        size += sizeof(WCHAR);
+    }
+
+    memmove(curdir->Buffer, buf, size + sizeof(WCHAR));
+    curdir->Length = size;
+
+#if 0
+    if (curdir->Buffer[1] == ':')
+    {
+        UNICODE_STRING  env;
+        WCHAR           var[4];
+
+        var[0] = '=';
+        var[1] = curdir->Buffer[0];
+        var[2] = ':';
+        var[3] = 0;
+        env.Length = 3 * sizeof(WCHAR);
+        env.MaximumLength = 4 * sizeof(WCHAR);
+        env.Buffer = var;
+
+        RtlSetEnvironmentVariable(NULL, &env, curdir);
+    }
+#endif
+
+ out:
+    if (buf) RtlFreeHeap(ntdll_get_process_heap(), 0, buf);
+
+    RtlReleasePebLock();
+
+    return nts;
+}

dlls/ntdll/rtl.c

@@ -370,55 +370,6 @@ void WINAPI NTDLL_alloca_probe( CONTEXT86 *context )
     context->Esp -= context->Eax;
 }
 
-/**************************************************************************
- *                 RtlDosPathNameToNtPathName_U		[NTDLL.@]
- *
- * szwDosPath: a fully qualified DOS path name
- * ntpath:     pointer to a UNICODE_STRING to hold the converted
- *              path name
- *
- * FIXME: Should we not allocate the ntpath buffer under some
- *         circumstances?
- *        Are the conversions static? (always prepend '\??\' ?)
- *        Not really sure about the last two arguments.
- */
-BOOLEAN  WINAPI RtlDosPathNameToNtPathName_U(
-	LPWSTR szwDosPath,PUNICODE_STRING ntpath,
-	DWORD x2,DWORD x3)
-{
-    ULONG length;
-    UNICODE_STRING pathprefix;
-    WCHAR szPrefix[] = { '\\', '?', '?', '\\', 0 };
-
-    FIXME("(%s,%p,%08lx,%08lx) partial stub\n",
-        debugstr_w(szwDosPath),ntpath,x2,x3);
-
-    if ( !szwDosPath )
-        return FALSE;
-
-    if ( !szwDosPath[0] )
-        return FALSE;
- 
-    if ( szwDosPath[1]!= ':' )
-        return FALSE;
-
-    length = strlenW(szwDosPath) * sizeof (WCHAR) + sizeof szPrefix;
- 
-    ntpath->Buffer = RtlAllocateHeap(ntdll_get_process_heap(), 0, length);
-    ntpath->Length = 0;
-    ntpath->MaximumLength = length;
-
-    if ( !ntpath->Buffer )
-        return FALSE;
-
-    RtlInitUnicodeString( &pathprefix, szPrefix );
-    RtlCopyUnicodeString( ntpath, &pathprefix );
-    RtlAppendUnicodeToString( ntpath, szwDosPath );
-
-    return TRUE;
-}
-
-
 /******************************************************************************
  *  RtlInitializeGenericTable           [NTDLL.@]
  */
@@ -606,23 +557,6 @@ VOID WINAPI RtlFillMemoryUlong(ULONG* lpDest, ULONG ulCount, ULONG ulValue)
     *lpDest++ = ulValue;
 }
 
-/*************************************************************************
- * RtlGetLongestNtPathLength    [NTDLL.@]
- *
- * Get the longest allowed path length
- *
- * PARAMS
- *  None.
- *
- * RETURNS
- *  The longest allowed path length (277 characters under Win2k).
- */
-DWORD WINAPI RtlGetLongestNtPathLength(void)
-{
-    TRACE("()\n");
-    return 277;
-}
-
 /*********************************************************************
  *                  RtlComputeCrc32   [NTDLL.@]
  *

include/winternl.h

@@ -95,6 +95,12 @@ typedef struct _CLIENT_ID
    HANDLE UniqueThread;
 } CLIENT_ID, *PCLIENT_ID;
 
+typedef struct _CURDIR
+{
+    UNICODE_STRING DosPath;
+    PVOID Handle;
+} CURDIR, *PCURDIR;
+
 /***********************************************************************
  * Enums
  */
@@ -965,7 +971,7 @@ DWORD     WINAPI RtlDeleteSecurityObject(DWORD);
 NTSTATUS  WINAPI RtlDestroyEnvironment(PWSTR);
 HANDLE    WINAPI RtlDestroyHeap(HANDLE);
 DOS_PATHNAME_TYPE WINAPI RtlDetermineDosPathNameType_U(PCWSTR);
-BOOLEAN   WINAPI RtlDosPathNameToNtPathName_U(LPWSTR,PUNICODE_STRING,DWORD,DWORD);
+BOOLEAN   WINAPI RtlDosPathNameToNtPathName_U(LPWSTR,PUNICODE_STRING,PWSTR*,CURDIR*);
 WCHAR     WINAPI RtlDowncaseUnicodeChar(WCHAR);
 NTSTATUS  WINAPI RtlDowncaseUnicodeString(UNICODE_STRING*,const UNICODE_STRING*,BOOLEAN);
 void      WINAPI RtlDumpResource(LPRTL_RWLOCK);
@@ -1014,9 +1020,11 @@ void      WINAPI RtlFreeUnicodeString(PUNICODE_STRING);
 
 DWORD     WINAPI RtlGetAce(PACL,DWORD,LPVOID *);
 NTSTATUS  WINAPI RtlGetControlSecurityDescriptor(PSECURITY_DESCRIPTOR, PSECURITY_DESCRIPTOR_CONTROL,LPDWORD);
+NTSTATUS  WINAPI RtlGetCurrentDirectory_U(ULONG, LPWSTR);
 NTSTATUS  WINAPI RtlGetDaclSecurityDescriptor(PSECURITY_DESCRIPTOR,PBOOLEAN,PACL *,PBOOLEAN);
 ULONG     WINAPI RtlGetFullPathName_U(PCWSTR,ULONG,PWSTR,PWSTR*);
 NTSTATUS  WINAPI RtlGetGroupSecurityDescriptor(PSECURITY_DESCRIPTOR,PSID *,PBOOLEAN);
+DWORD     WINAPI RtlGetLongestNtPathLength(void);
 BOOLEAN   WINAPI RtlGetNtProductType(LPDWORD);
 NTSTATUS  WINAPI RtlGetOwnerSecurityDescriptor(PSECURITY_DESCRIPTOR,PSID *,PBOOLEAN);
 ULONG     WINAPI RtlGetProcessHeaps(ULONG,HANDLE*);
@@ -1093,6 +1101,7 @@ void      WINAPI RtlSecondsSince1970ToTime(DWORD,LARGE_INTEGER *);
 void      WINAPI RtlSecondsSince1980ToTime(DWORD,LARGE_INTEGER *);
 void      WINAPI RtlSetAllBits(PRTL_BITMAP);
 void      WINAPI RtlSetBits(PRTL_BITMAP,ULONG,ULONG);
+NTSTATUS  WINAPI RtlSetCurrentDirectory_U(const UNICODE_STRING*);
 void      WINAPI RtlSetCurrentEnvironment(PWSTR, PWSTR*);
 NTSTATUS  WINAPI RtlSetDaclSecurityDescriptor(PSECURITY_DESCRIPTOR,BOOLEAN,PACL,BOOLEAN);
 NTSTATUS  WINAPI RtlSetEnvironmentVariable(PWSTR*,PUNICODE_STRING,PUNICODE_STRING);

scheduler/process.c

@@ -471,6 +471,17 @@ static BOOL process_init( char *argv[] )
     /* Parse command line arguments */
     OPTIONS_ParseOptions( !info_size ? argv : NULL );
 
+    /* <hack: to be changed later on> */
+    build_initial_environment();
+    process_pmts.CurrentDirectoryName.Length = 3 * sizeof(WCHAR);
+    process_pmts.CurrentDirectoryName.MaximumLength = RtlGetLongestNtPathLength() * sizeof(WCHAR);
+    process_pmts.CurrentDirectoryName.Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, process_pmts.CurrentDirectoryName.MaximumLength);
+    process_pmts.CurrentDirectoryName.Buffer[0] = 'C';
+    process_pmts.CurrentDirectoryName.Buffer[1] = ':';
+    process_pmts.CurrentDirectoryName.Buffer[2] = '\\';
+    process_pmts.CurrentDirectoryName.Buffer[3] = '\0';
+    /* </hack: to be changed later on> */
+
     ret = MAIN_MainInit();
     if (TRACE_ON(relay) || TRACE_ON(snoop)) RELAY_InitDebugLists();