mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-08-28 12:23:28 +00:00
Justin MillerandHermès BÉLUSCA - MAÏTO
c81bc9f21e
* [KERNEL32] Split off some ANSI functions from the bulk of Kernel32 Co-authored-by: Hermès BÉLUSCA - MAÏTO <[email protected]>
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
|
|
* PROJECT: ReactOS Win32 Base API
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* FILE: dll/win32/kernel32/client/pathansi.c
|
|
* PURPOSE: Handles path APIs
|
|
* PROGRAMMERS: Alex Ionescu ([email protected])
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include <k32.h>
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
DWORD
|
|
WINAPI
|
|
GetShortPathNameA(IN LPCSTR lpszLongPath,
|
|
OUT LPSTR lpszShortPath,
|
|
IN DWORD cchBuffer)
|
|
{
|
|
ULONG Result, PathLength;
|
|
PWCHAR ShortPath;
|
|
NTSTATUS Status;
|
|
UNICODE_STRING LongPathUni, ShortPathUni;
|
|
ANSI_STRING ShortPathAnsi;
|
|
WCHAR ShortPathBuffer[MAX_PATH];
|
|
|
|
ShortPath = NULL;
|
|
ShortPathAnsi.Buffer = NULL;
|
|
LongPathUni.Buffer = NULL;
|
|
Result = 0;
|
|
|
|
if (!lpszLongPath)
|
|
{
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return 0;
|
|
}
|
|
|
|
Status = Basep8BitStringToDynamicUnicodeString(&LongPathUni, lpszLongPath);
|
|
if (!NT_SUCCESS(Status)) goto Quickie;
|
|
|
|
ShortPath = ShortPathBuffer;
|
|
|
|
PathLength = GetShortPathNameW(LongPathUni.Buffer, ShortPathBuffer, MAX_PATH);
|
|
if (PathLength >= MAX_PATH)
|
|
{
|
|
ShortPath = RtlAllocateHeap(RtlGetProcessHeap(), 0, PathLength * sizeof(WCHAR));
|
|
if (!ShortPath)
|
|
{
|
|
PathLength = 0;
|
|
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|
}
|
|
else
|
|
{
|
|
PathLength = GetShortPathNameW(LongPathUni.Buffer, ShortPath, PathLength);
|
|
}
|
|
}
|
|
|
|
if (!PathLength) goto Quickie;
|
|
|
|
LongPathUni.MaximumLength = (USHORT)PathLength * sizeof(WCHAR) + sizeof(UNICODE_NULL);
|
|
ShortPathUni.Buffer = ShortPath;
|
|
ShortPathUni.Length = (USHORT)PathLength * sizeof(WCHAR);
|
|
|
|
Status = BasepUnicodeStringTo8BitString(&ShortPathAnsi, &ShortPathUni, TRUE);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
BaseSetLastNTError(Status);
|
|
Result = 0;
|
|
}
|
|
|
|
Result = ShortPathAnsi.Length;
|
|
if ((lpszShortPath) && (cchBuffer > ShortPathAnsi.Length))
|
|
{
|
|
RtlMoveMemory(lpszShortPath, ShortPathAnsi.Buffer, ShortPathAnsi.Length);
|
|
lpszShortPath[Result] = ANSI_NULL;
|
|
}
|
|
else
|
|
{
|
|
Result = ShortPathAnsi.Length + sizeof(ANSI_NULL);
|
|
}
|
|
|
|
Quickie:
|
|
if (LongPathUni.Buffer) RtlFreeUnicodeString(&LongPathUni);
|
|
if (ShortPathAnsi.Buffer) RtlFreeAnsiString(&ShortPathAnsi);
|
|
if ((ShortPath) && (ShortPath != ShortPathBuffer))
|
|
{
|
|
RtlFreeHeap(RtlGetProcessHeap(), 0, ShortPath);
|
|
}
|
|
return Result;
|
|
}
|
|
|
|
/* EOF */
|