[PATCH v3] gdiplus: Each pen dash array element must be greater than zero.
Signed-off-by: Jeff Smith <whydoubt(a)gmail.com> --- v3: Add control case to validate dash array before testing invalid cases. dlls/gdiplus/pen.c | 5 +---- dlls/gdiplus/tests/pen.c | 7 +++++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/dlls/gdiplus/pen.c b/dlls/gdiplus/pen.c index 8bcb91819a..156f90a19d 100644 --- a/dlls/gdiplus/pen.c +++ b/dlls/gdiplus/pen.c @@ -598,13 +598,10 @@ GpStatus WINGDIPAPI GdipSetPenDashArray(GpPen *pen, GDIPCONST REAL *dash, for(i = 0; i < count; i++){ sum += dash[i]; - if(dash[i] < 0.0) + if(dash[i] <= 0.0) return InvalidParameter; } - if(sum == 0.0 && count) - return InvalidParameter; - heap_free(pen->dashes); pen->dashes = NULL; diff --git a/dlls/gdiplus/tests/pen.c b/dlls/gdiplus/tests/pen.c index ceab92acff..28caf29acb 100644 --- a/dlls/gdiplus/tests/pen.c +++ b/dlls/gdiplus/tests/pen.c @@ -175,7 +175,7 @@ static void test_dasharray(void) dashes[4] = 14.0; dashes[5] = -100.0; dashes[6] = -100.0; - dashes[7] = dashes[8] = dashes[9] = dashes[10] = dashes[11] = 0.0; + dashes[7] = dashes[8] = dashes[9] = dashes[10] = dashes[11] = 1.0; /* setting the array sets the type to custom */ GdipGetPenDashStyle(pen, &style); @@ -218,10 +218,13 @@ static void test_dasharray(void) /* Some invalid array values. */ status = GdipSetPenDashArray(pen, &dashes[7], 5); - expect(InvalidParameter, status); + expect(Ok, status); dashes[9] = -1.0; status = GdipSetPenDashArray(pen, &dashes[7], 5); expect(InvalidParameter, status); + dashes[9] = 0.0; + status = GdipSetPenDashArray(pen, &dashes[7], 5); + expect(InvalidParameter, status); /* Try to set with count = 0. */ GdipSetPenDashStyle(pen, DashStyleDot); -- 2.23.0
participants (2)
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Jeff Smith -
Vincent Povirk (they/them)