From b86c1e12b3b26e50ee962b7dee96ddd2a080383d Mon Sep 17 00:00:00 2001
From: Jakob Botsch Nielsen <Jakob.botsch.nielsen@gmail.com>
Date: Wed, 15 Jun 2016 10:10:54 +0200
Subject: [PATCH] Fix a memory leak in dtBuildTileCacheLayer (#212)

---
 DetourTileCache/Source/DetourTileCacheBuilder.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/DetourTileCache/Source/DetourTileCacheBuilder.cpp b/DetourTileCache/Source/DetourTileCacheBuilder.cpp
index 62a3b04..995e592 100644
--- a/DetourTileCache/Source/DetourTileCacheBuilder.cpp
+++ b/DetourTileCache/Source/DetourTileCacheBuilder.cpp
@@ -2025,7 +2025,11 @@ dtStatus dtBuildTileCacheLayer(dtTileCacheCompressor* comp,
 	const int bufferSize = gridSize*3;
 	unsigned char* buffer = (unsigned char*)dtAlloc(bufferSize, DT_ALLOC_TEMP);
 	if (!buffer)
+	{
+		dtFree(data);
 		return DT_FAILURE | DT_OUT_OF_MEMORY;
+	}
+
 	memcpy(buffer, heights, gridSize);
 	memcpy(buffer+gridSize, areas, gridSize);
 	memcpy(buffer+gridSize*2, cons, gridSize);
@@ -2036,7 +2040,11 @@ dtStatus dtBuildTileCacheLayer(dtTileCacheCompressor* comp,
 	int compressedSize = 0;
 	dtStatus status = comp->compress(buffer, bufferSize, compressed, maxCompressedSize, &compressedSize);
 	if (dtStatusFailed(status))
+	{
+		dtFree(buffer);
+		dtFree(data);
 		return status;
+	}
 
 	*outData = data;
 	*outDataSize = headerSize + compressedSize;