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[KERNEL32] Implement MB_USEGLYPHCHARS flag for MultiByteToWideChar. Add checks for "Private Use" characters. More correct checks for input parameters.

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* Fixes 6 tests for kernel32:codepage

svn path=/trunk/; revision=72729
This commit is contained in:
Dmitry Chapyshev 2016-09-18 17:26:59 +00:00
parent dc52ede2f3
commit 84351186d5
1 changed files with 25 additions and 9 deletions
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34
reactos/dll/win32/kernel32/winnls/string/nls.c
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@ -436,6 +436,7 @@ IntMultiByteToWideCharCP(UINT CodePage,
{
PCODEPAGE_ENTRY CodePageEntry;
PCPTABLEINFO CodePageTable;
PUSHORT MultiByteTable;
LPCSTR TempString;
INT TempLength;
@ -446,10 +447,22 @@ IntMultiByteToWideCharCP(UINT CodePage,
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
CodePageTable = &CodePageEntry->CodePageTable;
/* If MB_USEGLYPHCHARS flag present and glyph table present */
if ((Flags & MB_USEGLYPHCHARS) && CodePageTable->MultiByteTable[256])
{
/* Use glyph table */
MultiByteTable = CodePageTable->MultiByteTable + 256 + 1;
}
else
{
MultiByteTable = CodePageTable->MultiByteTable;
}
/* Different handling for DBCS code pages. */
if (CodePageTable->MaximumCharacterSize > 1)
if (CodePageTable->DBCSCodePage)
{
UCHAR Char;
USHORT DBCSOffset;
@ -498,7 +511,7 @@ IntMultiByteToWideCharCP(UINT CodePage,
if (!DBCSOffset)
{
*WideCharString++ = CodePageTable->MultiByteTable[Char];
*WideCharString++ = MultiByteTable[Char];
continue;
}
@ -523,9 +536,12 @@ IntMultiByteToWideCharCP(UINT CodePage,
TempLength > 0;
TempString++, TempLength--)
{
if (CodePageTable->MultiByteTable[(UCHAR)*TempString] ==
CodePageTable->UniDefaultChar &&
*TempString != CodePageEntry->CodePageTable.DefaultChar)
USHORT WideChar = MultiByteTable[(UCHAR)*TempString];
if ((WideChar == CodePageTable->UniDefaultChar &&
*TempString != CodePageEntry->CodePageTable.TransUniDefaultChar) ||
/* "Private Use" characters */
(WideChar >= 0xE000 && WideChar <= 0xF8FF))
{
SetLastError(ERROR_NO_UNICODE_TRANSLATION);
return 0;
@ -542,7 +558,7 @@ IntMultiByteToWideCharCP(UINT CodePage,
TempLength > 0;
MultiByteString++, TempLength--)
{
*WideCharString++ = CodePageTable->MultiByteTable[(UCHAR)*MultiByteString];
*WideCharString++ = MultiByteTable[(UCHAR)*MultiByteString];
}
/* Adjust buffer size. Wine trick ;-) */
@ -1434,9 +1450,9 @@ MultiByteToWideChar(UINT CodePage,
{
/* Check the parameters. */
if (MultiByteString == NULL ||
MultiByteCount == 0 ||
(WideCharString == NULL && WideCharCount > 0) ||
(PVOID)MultiByteString == (PVOID)WideCharString)
MultiByteCount == 0 || WideCharCount < 0 ||
(WideCharCount && (WideCharString == NULL ||
(PVOID)MultiByteString == (PVOID)WideCharString)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;