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Fixed GetTempPathA/W and GetCurrentDirectoryA/W. Patch by tinus, Eric Kohl and me, fixes bug #482

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svn path=/trunk/; revision=13313
This commit is contained in:
Thomas Bluemel 2005-01-26 14:15:38 +00:00
parent 77a7f19e4f
commit a2ea8e6fef
1 changed files with 113 additions and 51 deletions
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164
reactos/lib/kernel32/file/curdir.c
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@ -37,6 +37,7 @@ GetCurrentDirectoryA (
{
ANSI_STRING AnsiString;
UNICODE_STRING UnicodeString;
ULONG Length;
/* allocate buffer for unicode string */
UnicodeString.Length = 0;
@ -56,33 +57,48 @@ GetCurrentDirectoryA (
{
UnicodeString.Buffer = NULL;
}
/* get current directory */
UnicodeString.Length = RtlGetCurrentDirectory_U (UnicodeString.MaximumLength,
UnicodeString.Buffer);
if (nBufferLength > 0)
DPRINT("UnicodeString.Buffer %wZ\n", &UnicodeString);
/* convert unicode string to ansi (or oem) */
if (bIsFileApiAnsi)
{
DPRINT("UnicodeString.Buffer %wZ\n", &UnicodeString);
/* convert unicode string to ansi (or oem) */
if (bIsFileApiAnsi)
RtlUnicodeStringToAnsiString (&AnsiString,
&UnicodeString,
FALSE);
else
RtlUnicodeStringToOemString (&AnsiString,
&UnicodeString,
FALSE);
DPRINT("AnsiString.Buffer %s\n", AnsiString.Buffer);
/* free unicode string */
RtlFreeHeap (RtlGetProcessHeap (),
0,
UnicodeString.Buffer);
Length = RtlUnicodeStringToAnsiSize (&UnicodeString);
if (Length > nBufferLength)
{
RtlFreeHeap (RtlGetProcessHeap (),
0,
UnicodeString.Buffer);
return Length-1;
}
RtlUnicodeStringToAnsiString (&AnsiString,
&UnicodeString,
FALSE);
}
else
{
AnsiString.Length = UnicodeString.Length / sizeof(WCHAR);
Length = RtlUnicodeStringToOemSize (&UnicodeString);
if (Length > nBufferLength)
{
RtlFreeHeap (RtlGetProcessHeap (),
0,
UnicodeString.Buffer);
return Length-1;
}
RtlUnicodeStringToOemString (&AnsiString,
&UnicodeString,
FALSE);
}
DPRINT("AnsiString.Buffer %s\n", AnsiString.Buffer);
/* free unicode string */
RtlFreeHeap (RtlGetProcessHeap (),
0,
UnicodeString.Buffer);
return AnsiString.Length;
}
@ -184,6 +200,7 @@ GetTempPathA (
{
UNICODE_STRING UnicodeString;
ANSI_STRING AnsiString;
DWORD Length;
AnsiString.Length = 0;
AnsiString.MaximumLength = nBufferLength;
@ -191,30 +208,50 @@ GetTempPathA (
/* initialize allocate unicode string */
UnicodeString.Length = 0;
UnicodeString.MaximumLength = nBufferLength * sizeof(WCHAR);
UnicodeString.Buffer = RtlAllocateHeap (RtlGetProcessHeap(),
0,
UnicodeString.MaximumLength);
UnicodeString.Length = GetTempPathW (nBufferLength,
UnicodeString.Buffer) * sizeof(WCHAR);
/* convert unicode string to ansi (or oem) */
if (bIsFileApiAnsi)
RtlUnicodeStringToAnsiString (&AnsiString,
&UnicodeString,
FALSE);
if(nBufferLength > 0)
{
UnicodeString.MaximumLength = (nBufferLength + 1) * sizeof(WCHAR);
UnicodeString.Buffer = RtlAllocateHeap (RtlGetProcessHeap (),
0,
UnicodeString.MaximumLength);
if (UnicodeString.Buffer == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return 0;
}
}
else
RtlUnicodeStringToOemString (&AnsiString,
&UnicodeString,
FALSE);
{
UnicodeString.MaximumLength = 0;
UnicodeString.Buffer = NULL;
}
Length = GetTempPathW (nBufferLength,
UnicodeString.Buffer);
if (nBufferLength >= Length)
{
/* only touch the buffer if the supplied buffer length is at least
the length that GetTempPathW returned! */
UnicodeString.Length = Length * sizeof(WCHAR);
/* convert unicode string to ansi (or oem) */
if (bIsFileApiAnsi)
RtlUnicodeStringToAnsiString (&AnsiString,
&UnicodeString,
FALSE);
else
RtlUnicodeStringToOemString (&AnsiString,
&UnicodeString,
FALSE);
}
/* free unicode string buffer */
RtlFreeHeap (RtlGetProcessHeap (),
0,
UnicodeString.Buffer);
return AnsiString.Length;
return Length;
}
@ -229,42 +266,67 @@ GetTempPathW (
)
{
UNICODE_STRING Name;
UNICODE_STRING Value;
PUNICODE_STRING Value;
PTEB Teb;
DWORD Length;
NTSTATUS Status;
Value.Length = 0;
Value.MaximumLength = (nBufferLength - 1) * sizeof(WCHAR);
Value.Buffer = lpBuffer;
Teb = NtCurrentTeb();
Teb->StaticUnicodeString.Length = 0;
Teb->StaticUnicodeString.MaximumLength = MAX_PATH * sizeof(WCHAR);
Teb->StaticUnicodeString.Buffer = Teb->StaticUnicodeBuffer;
Value = &Teb->StaticUnicodeString;
RtlRosInitUnicodeStringFromLiteral (&Name,
L"TMP");
L"TMP");
Status = RtlQueryEnvironmentVariable_U (NULL,
&Name,
&Value);
Value);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
{
RtlRosInitUnicodeStringFromLiteral (&Name,
L"TEMP");
L"TEMP");
Status = RtlQueryEnvironmentVariable_U (NULL,
&Name,
&Value);
Value);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
{
Value.Length = RtlGetCurrentDirectory_U (Value.MaximumLength,
Value.Buffer);
Value->Length = RtlGetCurrentDirectory_U(Value->MaximumLength,
Value->Buffer);
}
}
if (NT_SUCCESS(Status))
if (!NT_SUCCESS(Status))
{
lpBuffer[Value.Length / sizeof(WCHAR)] = L'\\';
lpBuffer[Value.Length / sizeof(WCHAR) + 1] = 0;
SetLastError(RtlNtStatusToDosError(Status));
return 0;
}
return Value.Length / sizeof(WCHAR) + 1;
Length = Value->Length / sizeof(WCHAR) + 1;
if (nBufferLength < Value->Length / sizeof(WCHAR) + 2)
Length++;
if (lpBuffer != NULL)
{
if (nBufferLength < Value->Length / sizeof(WCHAR) + 2)
{
memcpy (lpBuffer,
Value->Buffer,
nBufferLength * sizeof(WCHAR));
}
else
{
memcpy (lpBuffer,
Value->Buffer,
Value->Length);
lpBuffer[Value->Length / sizeof(WCHAR)] = L'\\';
lpBuffer[Value->Length / sizeof(WCHAR) + 1] = 0;
}
}
return Length;
}