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From 04741232fa561a4c299f31a5b5fb4603da79d2c5 Mon Sep 17 00:00:00 2001
From: Robert Longson <longsonr@gmail.com>
Date: Tue, 6 Oct 2015 13:19:03 +0100
Subject: [PATCH] Bug 1204061 - check return values from some methods
r=dholbert, a=sylvestre
--HG--
extra : source : f4c2f277aeae7bf8b05c6b01d1e140cd51b693b4
---
dom/svg/SVGPathSegListSMILType.cpp | 23 +++++++++++------------
1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/dom/svg/SVGPathSegListSMILType.cpp b/dom/svg/SVGPathSegListSMILType.cpp
index f8b67d0..6df0f53 100644
--- a/dom/svg/SVGPathSegListSMILType.cpp
+++ b/dom/svg/SVGPathSegListSMILType.cpp
@@ -232,7 +232,7 @@ AddWeightedPathSegs(double aCoeff1,
* identity, in which case we'll grow it to the right
* size. Also allowed to be the same list as aList1.
*/
-static void
+static nsresult
AddWeightedPathSegLists(double aCoeff1, const SVGPathDataAndInfo& aList1,
double aCoeff2, const SVGPathDataAndInfo& aList2,
SVGPathDataAndInfo& aResult)
@@ -263,8 +263,9 @@ AddWeightedPathSegLists(double aCoeff1, const SVGPathDataAndInfo& aList1,
// because in that case, we will have already set iter1 to nullptr above, to
// record that our first operand is an identity value.)
if (aResult.IsIdentity()) {
- DebugOnly<bool> success = aResult.SetLength(aList2.Length());
- MOZ_ASSERT(success, "infallible nsTArray::SetLength should succeed");
+ if (!aResult.SetLength(aList2.Length())) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
aResult.SetElement(aList2.Element()); // propagate target element info!
}
@@ -280,6 +281,7 @@ AddWeightedPathSegLists(double aCoeff1, const SVGPathDataAndInfo& aList1,
iter2 == end2 &&
resultIter == aResult.end(),
"Very, very bad - path data corrupt");
+ return NS_OK;
}
static void
@@ -429,9 +431,7 @@ SVGPathSegListSMILType::Add(nsSMILValue& aDest,
}
}
- AddWeightedPathSegLists(1.0, dest, aCount, valueToAdd, dest);
-
- return NS_OK;
+ return AddWeightedPathSegLists(1.0, dest, aCount, valueToAdd, dest);
}
nsresult
@@ -482,8 +482,9 @@ SVGPathSegListSMILType::Interpolate(const nsSMILValue& aStartVal,
if (check == eRequiresConversion) {
// Can't convert |start| in-place, since it's const. Instead, we copy it
// into |result|, converting the types as we go, and use that as our start.
- DebugOnly<bool> success = result.SetLength(end.Length());
- MOZ_ASSERT(success, "infallible nsTArray::SetLength should succeed");
+ if (!result.SetLength(end.Length())) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
result.SetElement(end.Element()); // propagate target element info!
ConvertAllPathSegmentData(start.begin(), start.end(),
@@ -492,10 +493,8 @@ SVGPathSegListSMILType::Interpolate(const nsSMILValue& aStartVal,
startListToUse = &result;
}
- AddWeightedPathSegLists(1.0 - aUnitDistance, *startListToUse,
- aUnitDistance, end, result);
-
- return NS_OK;
+ return AddWeightedPathSegLists(1.0 - aUnitDistance, *startListToUse,
+ aUnitDistance, end, result);
}
} // namespace mozilla
--
2.5.0
|
