fileutils.c File Reference

#include <k32.h>
#include <debug.h>

Include dependency graph for fileutils.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
PWCHAR	FilenameA2W (LPCSTR NameA, BOOL alloc)
DWORD	FilenameU2A_FitOrFail (LPSTR DestA, INT destLen, PUNICODE_STRING SourceU)
DWORD	FilenameW2A_FitOrFail (LPSTR DestA, INT destLen, LPCWSTR SourceW, INT sourceLen)
DWORD	FilenameA2W_N (LPWSTR dest, INT destlen, LPCSTR src, INT srclen)
DWORD	FilenameW2A_N (LPSTR dest, INT destlen, LPCWSTR src, INT srclen)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 12 of file fileutils.c.

Function Documentation

FilenameA2W()

PWCHAR FilenameA2W	(	LPCSTR	NameA,
		BOOL	alloc
	)

Definition at line 18 of file fileutils.c.

{
   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;
}

Referenced by CreateFileA(), CreateSymbolicLinkA(), GetCompressedFileSizeA(), GetFileAttributesA(), GetFileAttributesExA(), SetFileAttributesA(), and SetFileShortNameA().

FilenameA2W_N()

DWORD FilenameA2W_N	(	LPWSTR	dest,
		INT	destlen,
		LPCSTR	src,
		INT	srclen
	)

Definition at line 121 of file fileutils.c.

{
    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);
}

FilenameU2A_FitOrFail()

DWORD FilenameU2A_FitOrFail	(	LPSTR	DestA,
		INT	destLen,
		PUNICODE_STRING	SourceU
	)

Definition at line 56 of file fileutils.c.

{
   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;
}

Referenced by FilenameW2A_FitOrFail(), and GetFinalPathNameByHandleA().

FilenameW2A_FitOrFail()

DWORD FilenameW2A_FitOrFail	(	LPSTR	DestA,
		INT	destLen,
		LPCWSTR	SourceW,
		INT	sourceLen
	)

Definition at line 98 of file fileutils.c.

{
   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);
}

Referenced by GetTempPathA().

FilenameW2A_N()

DWORD FilenameW2A_N	(	LPSTR	dest,
		INT	destlen,
		LPCWSTR	src,
		INT	srclen
	)

Definition at line 146 of file fileutils.c.

{
    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;
}