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[WIN32K] Do not truncate localized font names.

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ROSTESTS-154
This commit is contained in:
Mark Jansen 2018-03-15 19:10:40 +01:00
parent 3a55db04f1
commit 37a34a21a9
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GPG key ID: B39240EE84BEAE8B
1 changed files with 13 additions and 12 deletions
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25
win32ss/gdi/ntgdi/freetype.c
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@ -2091,7 +2091,6 @@ IntGetFontLocalizedName(PUNICODE_STRING pNameW, PSHARED_FACE SharedFace,
{
FT_SfntName Name;
INT i, Count, BestIndex, Score, BestScore;
WCHAR Buf[LF_FULLFACESIZE];
FT_Error Error;
NTSTATUS Status = STATUS_NOT_FOUND;
ANSI_STRING AnsiName;
@ -2150,11 +2149,6 @@ IntGetFontLocalizedName(PUNICODE_STRING pNameW, PSHARED_FACE SharedFace,
continue; /* invalid string */
}
if (sizeof(Buf) < Name.string_len + sizeof(UNICODE_NULL))
{
continue; /* name too long */
}
if (Name.language_id == LangID)
{
Score = 30;
@ -2188,15 +2182,22 @@ IntGetFontLocalizedName(PUNICODE_STRING pNameW, PSHARED_FACE SharedFace,
if (!Error)
{
/* NOTE: Name.string is not null-terminated */
RtlCopyMemory(Buf, Name.string, Name.string_len);
Buf[Name.string_len / sizeof(WCHAR)] = UNICODE_NULL;
UNICODE_STRING Tmp;
Tmp.Buffer = (PWCH)Name.string;
Tmp.Length = Tmp.MaximumLength = Name.string_len;
/* Convert UTF-16 big endian to little endian */
SwapEndian(Buf, Name.string_len);
pNameW->Length = 0;
pNameW->MaximumLength = Name.string_len + sizeof(WCHAR);
pNameW->Buffer = ExAllocatePoolWithTag(PagedPool, pNameW->MaximumLength, TAG_USTR);
if (RtlCreateUnicodeString(pNameW, Buf))
if (pNameW->Buffer)
{
Status = STATUS_SUCCESS;
Status = RtlAppendUnicodeStringToString(pNameW, &Tmp);
if (Status == STATUS_SUCCESS)
{
/* Convert UTF-16 big endian to little endian */
SwapEndian(pNameW->Buffer, pNameW->Length);
}
}
else
{