From cdbfdfc351a51f4fe0c264110cf68a59f0859f04 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Thu, 11 Oct 2012 17:02:45 -0500
Subject: MAINT-1709 Factor out realloc
Reviewed by VoidPointer
---
indra/llmath/lloctree.h | 52 +++++++++++++++++++++----------------------------
1 file changed, 22 insertions(+), 30 deletions(-)
(limited to 'indra/llmath')
diff --git a/indra/llmath/lloctree.h b/indra/llmath/lloctree.h
index c3f6f7de2a..68d8110f1d 100644
--- a/indra/llmath/lloctree.h
+++ b/indra/llmath/lloctree.h
@@ -78,7 +78,7 @@ public:
typedef LLOctreeTraveler<T> oct_traveler;
typedef LLTreeTraveler<T> tree_traveler;
- typedef LLPointer<T>* element_list;
+ typedef std::vector<LLPointer<T>> element_list;
typedef LLPointer<T>* element_iter;
typedef const LLPointer<T>* const_element_iter;
typedef typename std::vector<LLTreeListener<T>*>::iterator tree_listener_iter;
@@ -106,8 +106,9 @@ public:
: mParent((oct_node*)parent),
mOctant(octant)
{
- mData = NULL;
- mDataEnd = NULL;
+ //always keep a NULL terminated list to avoid out of bounds exceptions in debug builds
+ mData.push_back(NULL);
+ mDataEnd = &mData[0];
mCenter = center;
mSize = size;
@@ -133,9 +134,9 @@ public:
mData[i] = NULL;
}
- free(mData);
- mData = NULL;
- mDataEnd = NULL;
+ mData.clear();
+ mData.push_back(NULL);
+ mDataEnd = &mData[0];
for (U32 i = 0; i < getChildCount(); i++)
{
@@ -239,9 +240,9 @@ public:
bool isEmpty() const { return mElementCount == 0; }
element_list& getData() { return mData; }
const element_list& getData() const { return mData; }
- element_iter getDataBegin() { return mData; }
+ element_iter getDataBegin() { return &mData[0]; }
element_iter getDataEnd() { return mDataEnd; }
- const_element_iter getDataBegin() const { return mData; }
+ const_element_iter getDataBegin() const { return &mData[0]; }
const_element_iter getDataEnd() const { return mDataEnd; }
U32 getChildCount() const { return mChildCount; }
@@ -321,14 +322,10 @@ public:
if ((getElementCount() < gOctreeMaxCapacity && contains(data->getBinRadius()) ||
(data->getBinRadius() > getSize()[0] && parent && parent->getElementCount() >= gOctreeMaxCapacity)))
{ //it belongs here
+ mData.push_back(NULL);
+ mData[mElementCount] = data;
mElementCount++;
- mData = (element_list) realloc(mData, sizeof(LLPointer<T>)*mElementCount);
-
- //avoid unref on uninitialized memory
- memset(mData+mElementCount-1, 0, sizeof(LLPointer<T>));
-
- mData[mElementCount-1] = data;
- mDataEnd = mData + mElementCount;
+ mDataEnd = &mData[mElementCount];
data->setBinIndex(mElementCount-1);
BaseType::insert(data);
return true;
@@ -364,14 +361,10 @@ public:
if( lt == 0x7 )
{
+ mData.push_back(NULL);
+ mData[mElementCount] = data;
mElementCount++;
- mData = (element_list) realloc(mData, sizeof(LLPointer<T>)*mElementCount);
-
- //avoid unref on uninitialized memory
- memset(mData+mElementCount-1, 0, sizeof(LLPointer<T>));
-
- mData[mElementCount-1] = data;
- mDataEnd = mData + mElementCount;
+ mDataEnd = &mData[mElementCount];
data->setBinIndex(mElementCount-1);
BaseType::insert(data);
return true;
@@ -436,16 +429,15 @@ public:
mData[i]->setBinIndex(i);
}
- mData[mElementCount] = NULL; //needed for unref
- mData = (element_list) realloc(mData, sizeof(LLPointer<T>)*mElementCount);
- mDataEnd = mData+mElementCount;
+ mData[mElementCount] = NULL;
+ mData.pop_back();
+ mDataEnd = &mData[mElementCount];
}
else
{
- mData[0] = NULL; //needed for unref
- free(mData);
- mData = NULL;
- mDataEnd = NULL;
+ mData.clear();
+ mData.push_back(NULL);
+ mDataEnd = &mData[0];
}
notifyRemoval(data);
@@ -491,7 +483,7 @@ public:
}
//node is now root
- llwarns << "!!! OCTREE REMOVING FACE BY ADDRESS, SEVERE PERFORMANCE PENALTY |||" << llendl;
+ llwarns << "!!! OCTREE REMOVING ELEMENT BY ADDRESS, SEVERE PERFORMANCE PENALTY |||" << llendl;
node->removeByAddress(data);
llassert(data->getBinIndex() == -1);
return true;
--
cgit v1.2.3
From b8e14ad2b250ae8c4cae877035e38c485a841515 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 26 Oct 2012 15:55:58 -0500
Subject: MAINT-1709 Fix for >> that should have been > >
---
indra/llmath/lloctree.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'indra/llmath')
diff --git a/indra/llmath/lloctree.h b/indra/llmath/lloctree.h
index 68d8110f1d..4ac1e55cfc 100644
--- a/indra/llmath/lloctree.h
+++ b/indra/llmath/lloctree.h
@@ -78,7 +78,7 @@ public:
typedef LLOctreeTraveler<T> oct_traveler;
typedef LLTreeTraveler<T> tree_traveler;
- typedef std::vector<LLPointer<T>> element_list;
+ typedef std::vector<LLPointer<T> > element_list;
typedef LLPointer<T>* element_iter;
typedef const LLPointer<T>* const_element_iter;
typedef typename std::vector<LLTreeListener<T>*>::iterator tree_listener_iter;
--
cgit v1.2.3