mirror of
https://github.com/reactos/reactos.git
synced 2024-08-23 11:52:51 +00:00
![Timo Kreuzer](/assets/img/avatar_default.png)
- Remove duplicated functions - Use AreFileApisANSI() instead of global variable bIsFileApiAnsi in shared kernel32_shared
168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS system libraries
|
|
* FILE: dll/win32/kernel32/client/file/fileutils.c
|
|
* PURPOSE: File utility function shared with kernel32_vista
|
|
* PROGRAMMER: Taken from wine
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include <k32.h>
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* FUNCTIONS ****************************************************************/
|
|
|
|
PWCHAR
|
|
FilenameA2W(LPCSTR NameA, BOOL alloc)
|
|
{
|
|
ANSI_STRING str;
|
|
UNICODE_STRING strW;
|
|
PUNICODE_STRING pstrW;
|
|
NTSTATUS Status;
|
|
|
|
//ASSERT(NtCurrentTeb()->StaticUnicodeString.Buffer == NtCurrentTeb()->StaticUnicodeBuffer);
|
|
ASSERT(NtCurrentTeb()->StaticUnicodeString.MaximumLength == sizeof(NtCurrentTeb()->StaticUnicodeBuffer));
|
|
|
|
RtlInitAnsiString(&str, NameA);
|
|
pstrW = alloc ? &strW : &NtCurrentTeb()->StaticUnicodeString;
|
|
|
|
if (AreFileApisANSI())
|
|
Status= RtlAnsiStringToUnicodeString( pstrW, &str, (BOOLEAN)alloc );
|
|
else
|
|
Status= RtlOemStringToUnicodeString( pstrW, &str, (BOOLEAN)alloc );
|
|
|
|
if (NT_SUCCESS(Status))
|
|
return pstrW->Buffer;
|
|
|
|
if (Status== STATUS_BUFFER_OVERFLOW)
|
|
SetLastError( ERROR_FILENAME_EXCED_RANGE );
|
|
else
|
|
BaseSetLastNTError(Status);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
No copy/conversion is done if the dest. buffer is too small.
|
|
|
|
Returns:
|
|
Success: number of TCHARS copied into dest. buffer NOT including nullterm
|
|
Fail: size of buffer in TCHARS required to hold the converted filename, including nullterm
|
|
*/
|
|
DWORD
|
|
FilenameU2A_FitOrFail(
|
|
LPSTR DestA,
|
|
INT destLen, /* buffer size in TCHARS incl. nullchar */
|
|
PUNICODE_STRING SourceU
|
|
)
|
|
{
|
|
DWORD ret;
|
|
|
|
/* destLen should never exceed MAX_PATH */
|
|
if (destLen > MAX_PATH) destLen = MAX_PATH;
|
|
|
|
ret = AreFileApisANSI() ? RtlUnicodeStringToAnsiSize(SourceU) : RtlUnicodeStringToOemSize(SourceU);
|
|
/* ret incl. nullchar */
|
|
|
|
if (DestA && (INT)ret <= destLen)
|
|
{
|
|
ANSI_STRING str;
|
|
|
|
str.Buffer = DestA;
|
|
str.MaximumLength = (USHORT)destLen;
|
|
|
|
|
|
if (AreFileApisANSI())
|
|
RtlUnicodeStringToAnsiString(&str, SourceU, FALSE );
|
|
else
|
|
RtlUnicodeStringToOemString(&str, SourceU, FALSE );
|
|
|
|
ret = str.Length; /* SUCCESS: length without terminating 0 */
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
No copy/conversion is done if the dest. buffer is too small.
|
|
|
|
Returns:
|
|
Success: number of TCHARS copied into dest. buffer NOT including nullterm
|
|
Fail: size of buffer in TCHARS required to hold the converted filename, including nullterm
|
|
*/
|
|
DWORD
|
|
FilenameW2A_FitOrFail(
|
|
LPSTR DestA,
|
|
INT destLen, /* buffer size in TCHARS incl. nullchar */
|
|
LPCWSTR SourceW,
|
|
INT sourceLen /* buffer size in TCHARS incl. nullchar */
|
|
)
|
|
{
|
|
UNICODE_STRING strW;
|
|
|
|
if (sourceLen < 0) sourceLen = wcslen(SourceW) + 1;
|
|
|
|
strW.Buffer = (PWCHAR)SourceW;
|
|
strW.MaximumLength = sourceLen * sizeof(WCHAR);
|
|
strW.Length = strW.MaximumLength - sizeof(WCHAR);
|
|
|
|
return FilenameU2A_FitOrFail(DestA, destLen, &strW);
|
|
}
|
|
|
|
|
|
/*
|
|
Return: num. TCHARS copied into dest including nullterm
|
|
*/
|
|
DWORD
|
|
FilenameA2W_N(
|
|
LPWSTR dest,
|
|
INT destlen, /* buffer size in TCHARS incl. nullchar */
|
|
LPCSTR src,
|
|
INT srclen /* buffer size in TCHARS incl. nullchar */
|
|
)
|
|
{
|
|
DWORD ret;
|
|
|
|
if (srclen < 0) srclen = strlen( src ) + 1;
|
|
|
|
if (AreFileApisANSI())
|
|
RtlMultiByteToUnicodeN( dest, destlen* sizeof(WCHAR), &ret, (LPSTR)src, srclen );
|
|
else
|
|
RtlOemToUnicodeN( dest, destlen* sizeof(WCHAR), &ret, (LPSTR)src, srclen );
|
|
|
|
if (ret) dest[(ret/sizeof(WCHAR))-1]=0;
|
|
|
|
return ret/sizeof(WCHAR);
|
|
}
|
|
|
|
/*
|
|
Return: num. TCHARS copied into dest including nullterm
|
|
*/
|
|
DWORD
|
|
FilenameW2A_N(
|
|
LPSTR dest,
|
|
INT destlen, /* buffer size in TCHARS incl. nullchar */
|
|
LPCWSTR src,
|
|
INT srclen /* buffer size in TCHARS incl. nullchar */
|
|
)
|
|
{
|
|
DWORD ret;
|
|
|
|
if (srclen < 0) srclen = wcslen( src ) + 1;
|
|
|
|
if (AreFileApisANSI())
|
|
RtlUnicodeToMultiByteN( dest, destlen, &ret, (LPWSTR) src, srclen * sizeof(WCHAR));
|
|
else
|
|
RtlUnicodeToOemN( dest, destlen, &ret, (LPWSTR) src, srclen * sizeof(WCHAR) );
|
|
|
|
if (ret) dest[ret-1]=0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* EOF */
|