- Fixed: Trying to play a 0-length song from a wad inside a zip caused a crash.

SVN r181 (trunk)

docs/rh-log.txt

@@ -1,3 +1,6 @@
+June 8, 2006
+- Fixed: Trying to play a 0-length song from a wad inside a zip caused a crash.
+
 June 7, 2006 (Changes by Graf Zahl)
 - Fixed: A_CustomPunch didn't use the range parameter correctly.
 

src/nodebuild.cpp

@@ -748,7 +748,6 @@ void FNodeBuilder::SplitSegs (DWORD set, node_t &node, DWORD splitseg, DWORD &ou
 			FPrivVert newvert;
 			unsigned int vertnum;
 			int seg2;
-			unsigned int i;
 
 			if (seg->loopnum)
 			{

src/nodebuild_utility.cpp

@@ -102,8 +102,8 @@ void FNodeBuilder::FindUsedVertices (vertex_t *oldverts, int max)
 			map[v2] = VertexMap->SelectVertexExact (newvert);
 		}
 
-		Level.Lines[i].v1 = (vertex_t *)map[v1];
-		Level.Lines[i].v2 = (vertex_t *)map[v2];
+		Level.Lines[i].v1 = (vertex_t *)(size_t)map[v1];
+		Level.Lines[i].v2 = (vertex_t *)(size_t)map[v2];
 	}
 }
 

src/r_plane.cpp

@@ -1148,8 +1148,10 @@ void R_DrawSkyBoxes ()
 		FirstInterestingDrawseg = InterestingDrawsegs.Size();
 
 		interestingStack.Push (FirstInterestingDrawseg);
-		drawsegStack.Push (firstdrawseg - drawsegs);
-		visspriteStack.Push (firstvissprite - vissprites);
+		ptrdiff_t diffnum = firstdrawseg - drawsegs;
+		drawsegStack.Push (diffnum);
+		diffnum = firstvissprite - vissprites;
+		visspriteStack.Push (diffnum);
 		viewxStack.Push (viewx);
 		viewyStack.Push (viewy);
 		viewzStack.Push (viewz);

src/r_segs.cpp

@@ -1539,7 +1539,8 @@ void R_StoreWallRange (int start, int stop)
 
 	if (rw_markmirror)
 	{
-		WallMirrors.Push (ds_p - drawsegs);
+		size_t drawsegnum = ds_p - drawsegs;
+		WallMirrors.Push (drawsegnum);
 		ds_p->silhouette = SIL_BOTH;
 	}
 	else if (backsector == NULL)
@@ -1647,7 +1648,8 @@ void R_StoreWallRange (int start, int stop)
 
 			if (ds_p->bFogBoundary || ds_p->maskedtexturecol != -1)
 			{
-				InterestingDrawsegs.Push (ds_p - drawsegs);
+				size_t drawsegnum = ds_p - drawsegs;
+				InterestingDrawsegs.Push (drawsegnum);
 			}
 		}
 	}

src/s_sound.cpp

@@ -1520,6 +1520,11 @@ bool S_ChangeMusic (const char *musicname, int order, bool looping, bool force)
 				offset = -1;							// this tells the low level code that the music 
 														// is being used from memory
 				length = Wads.LumpLength (lumpnum);
+				if (length == 0)
+				{
+					offset = 0;
+					return false;
+				}
 				musiccache.Resize(length);
 				Wads.ReadLump(lumpnum, &musiccache[0]);
 			}