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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
/*
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* PROJECT: ReactOS Win32 Base API
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/win32/kernel32/client/pathansi.c
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* PURPOSE: Handles path APIs
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* PROGRAMMERS: Alex Ionescu ([email protected])
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*/
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/* INCLUDES *******************************************************************/
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#include <k32.h>
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/* FUNCTIONS ******************************************************************/
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/*
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* @implemented
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*/
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DWORD
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WINAPI
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GetShortPathNameA(IN LPCSTR lpszLongPath,
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OUT LPSTR lpszShortPath,
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IN DWORD cchBuffer)
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{
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ULONG Result, PathLength;
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PWCHAR ShortPath;
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NTSTATUS Status;
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UNICODE_STRING LongPathUni, ShortPathUni;
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ANSI_STRING ShortPathAnsi;
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WCHAR ShortPathBuffer[MAX_PATH];
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ShortPath = NULL;
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ShortPathAnsi.Buffer = NULL;
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LongPathUni.Buffer = NULL;
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Result = 0;
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if (!lpszLongPath)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return 0;
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}
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Status = Basep8BitStringToDynamicUnicodeString(&LongPathUni, lpszLongPath);
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if (!NT_SUCCESS(Status)) goto Quickie;
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ShortPath = ShortPathBuffer;
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PathLength = GetShortPathNameW(LongPathUni.Buffer, ShortPathBuffer, MAX_PATH);
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if (PathLength >= MAX_PATH)
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{
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ShortPath = RtlAllocateHeap(RtlGetProcessHeap(), 0, PathLength * sizeof(WCHAR));
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if (!ShortPath)
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{
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PathLength = 0;
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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}
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else
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{
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PathLength = GetShortPathNameW(LongPathUni.Buffer, ShortPath, PathLength);
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}
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}
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if (!PathLength) goto Quickie;
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LongPathUni.MaximumLength = (USHORT)PathLength * sizeof(WCHAR) + sizeof(UNICODE_NULL);
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ShortPathUni.Buffer = ShortPath;
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ShortPathUni.Length = (USHORT)PathLength * sizeof(WCHAR);
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Status = BasepUnicodeStringTo8BitString(&ShortPathAnsi, &ShortPathUni, TRUE);
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if (!NT_SUCCESS(Status))
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{
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BaseSetLastNTError(Status);
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Result = 0;
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}
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Result = ShortPathAnsi.Length;
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if ((lpszShortPath) && (cchBuffer > ShortPathAnsi.Length))
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{
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RtlMoveMemory(lpszShortPath, ShortPathAnsi.Buffer, ShortPathAnsi.Length);
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lpszShortPath[Result] = ANSI_NULL;
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}
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else
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{
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Result = ShortPathAnsi.Length + sizeof(ANSI_NULL);
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}
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Quickie:
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if (LongPathUni.Buffer) RtlFreeUnicodeString(&LongPathUni);
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if (ShortPathAnsi.Buffer) RtlFreeAnsiString(&ShortPathAnsi);
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if ((ShortPath) && (ShortPath != ShortPathBuffer))
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{
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RtlFreeHeap(RtlGetProcessHeap(), 0, ShortPath);
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}
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return Result;
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}
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/* EOF */
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