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Now checks that the GCP_REORDER flag is set before trying to access 

any of the fields that depend on this flag.
This commit is contained in:
Shachar Shemesh 2002-07-22 20:36:16 +00:00 committed by Alexandre Julliard
parent 3c5eba06d5
commit e33f327fe9
1 changed files with 11 additions and 19 deletions
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30
objects/font.c
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@ -2256,10 +2256,14 @@ GetCharacterPlacementA(HDC hdc, LPCSTR lpString, INT uCount,
memcpy(&resultsW, lpResults, sizeof(resultsW));
lpStringW = FONT_mbtowc(hdc, lpString, uCount, &uCountW, &font_cp);
if(lpResults->lpOutString)
resultsW.lpOutString = HeapAlloc(GetProcessHeap(), 0, uCountW);
else
resultsW.lpOutString = NULL;
if( dwFlags&GCP_REORDER )
{
/* If the REORDER flag is not set, this field is ignored anyways */
if(lpResults->lpOutString)
resultsW.lpOutString = HeapAlloc(GetProcessHeap(), 0, uCountW);
else
resultsW.lpOutString = NULL;
}
ret = GetCharacterPlacementW(hdc, lpStringW, uCountW, nMaxExtent, &resultsW, dwFlags);
@ -2330,21 +2334,9 @@ GetCharacterPlacementW(
/* return number of initialized fields */
lpResults->nGlyphs = nSet;
if(dwFlags==0)
{
/* Treat the case where no special handling was requested in a fastpath way */
/* copy will do if the GCP_REORDER flag is not set */
if(lpResults->lpOutString)
lstrcpynW(lpResults->lpOutString, lpString, uCount);
if(lpResults->lpOrder)
{
for(i = 0; i < nSet; i++)
lpResults->lpOrder[i] = i;
}
} else
if((dwFlags&GCP_REORDER)!=0)
{
/* MSDN says lpOutString and lpOrder are ignored if GCP_REORDER not set */
WORD *pwCharType;
int run_end;
/* Keep a static table that translates the C2 types to something meaningful */
@ -2365,7 +2357,7 @@ GetCharacterPlacementW(
/* Fill in the order array with directionality values */
GetStringTypeW(CT_CTYPE2, lpString, uCount, pwCharType);
/* The complete and correct (at list according to MS) BiDi algorythm is not
/* The complete and correct (at least according to MS) BiDi algorythm is not
* yet implemented here. Instead, we just make sure that consecutive runs of
* the same direction (or neutral) are ordered correctly
*/