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[WIN32K:ENG] Fix CyberBoard BSOD: Use 'MAXLONG' instead of 'MAX_COORD' in lStyleMax (#8279)

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CORE-20209

* Add ASSERT's as suggested by @HBelusca.
This commit is contained in:
Doug Lyons
2025-07-31 16:14:21 -05:00
committed by GitHub
parent f5612437ee
commit d413de1b19
1 changed files with 9 additions and 1 deletions
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10
win32ss/gdi/eng/lineto.c
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@@ -78,7 +78,7 @@ HandleStyles(
else
{
iStyle = 0;
lStyleMax = MAX_COORD;
lStyleMax = MAXLONG;
}
*piStyle = iStyle;
@@ -145,6 +145,7 @@ NWtoSE(SURFOBJ* OutputObj, CLIPOBJ* Clip,
y++;
if (y == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle + 1) % cStyles;
lStyleMax = y + pulStyles[iStyle];
}
@@ -160,6 +161,7 @@ NWtoSE(SURFOBJ* OutputObj, CLIPOBJ* Clip,
x++;
if (x == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle + 1) % cStyles;
lStyleMax = x + pulStyles[iStyle];
}
@@ -231,6 +233,7 @@ SWtoNE(SURFOBJ* OutputObj, CLIPOBJ* Clip,
y--;
if (y == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle - 1) % cStyles;
lStyleMax = y - pulStyles[iStyle];
}
@@ -246,6 +249,7 @@ SWtoNE(SURFOBJ* OutputObj, CLIPOBJ* Clip,
x++;
if (x == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle + 1) % cStyles;
lStyleMax = x + pulStyles[iStyle];
}
@@ -317,6 +321,7 @@ NEtoSW(SURFOBJ* OutputObj, CLIPOBJ* Clip,
y++;
if (y == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle + 1) % cStyles;
lStyleMax = y + pulStyles[iStyle];
}
@@ -332,6 +337,7 @@ NEtoSW(SURFOBJ* OutputObj, CLIPOBJ* Clip,
x--;
if (x == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle - 1) % cStyles;
lStyleMax = x - pulStyles[iStyle];
}
@@ -403,6 +409,7 @@ SEtoNW(SURFOBJ* OutputObj, CLIPOBJ* Clip,
y--;
if (y == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle - 1) % cStyles;
lStyleMax = y - pulStyles[iStyle];
}
@@ -418,6 +425,7 @@ SEtoNW(SURFOBJ* OutputObj, CLIPOBJ* Clip,
x--;
if (x == lStyleMax)
{
ASSERT(cStyles);
iStyle = (iStyle - 1) % cStyles;
lStyleMax = x - pulStyles[iStyle];
}