Adjust for footdemo, which triggers assert.

svn-id: r17612

2 files changed, 8 insertions, 3 deletions

diff --git a/scumm/script_v72he.cpp b/scumm/script_v72he.cpp
index 8159edf1bc..9bf5407209 100644
--- a/scumm/script_v72he.cpp
+++ b/scumm/script_v72he.cpp
@@ -2161,7 +2161,7 @@ void ScummEngine_v72he::o72_getResourceSize() {
 
 	const byte *ptr = getResourceAddress(rtSound, resid);
 	assert(ptr);
-	size = READ_BE_UINT32(ptr + 4) - 8;
+	size = getResourceDataSize(ptr);
 	push(size);
 }
 
diff --git a/scumm/script_v80he.cpp b/scumm/script_v80he.cpp
index 11a002c859..6156abf947 100644
--- a/scumm/script_v80he.cpp
+++ b/scumm/script_v80he.cpp
@@ -839,8 +839,13 @@ void ScummEngine_v80he::o80_getResourceSize() {
 	}
 
 	const byte *ptr = getResourceAddress(type, resid);
-	assert(ptr);
-	size = READ_BE_UINT32(ptr + 4) - 8;
+	if (ptr) {
+		size = getResourceDataSize(ptr);
+	} else {
+		debug(0, "o80_getResourceSize: invalid resource type %d id %d", type, resid);
+		size = 0;
+	}
+
 	push(size);
 }