TONY: Fixes for deallocating MPC and MPAL data

3 files changed, 20 insertions, 3 deletions

diff --git a/engines/tony/mpal/loadmpc.cpp b/engines/tony/mpal/loadmpc.cpp
index d0b6a75f72..1f610a8d2c 100644
--- a/engines/tony/mpal/loadmpc.cpp
+++ b/engines/tony/mpal/loadmpc.cpp
@@ -470,11 +470,17 @@ static const byte *parseItem(const byte *lpBuf, LPMPALITEM lpmiItem) {
  */
 static void freeItem(LPMPALITEM lpmiItem) {
 	// Free the actions
-	if (lpmiItem->Action)
+	if (lpmiItem->Action) {
+		for (int i = 0; i < lpmiItem->nActions; ++i) {
+			if (lpmiItem->Action[i].when != 0)
+				freeExpression(lpmiItem->Action[i].when);
+		}
+
 		globalDestroy(lpmiItem->Action);
+	}
 
 	// Free the commands
-	for (int i = 0; i < MAX_COMMANDS_PER_ITEM && (lpmiItem->_command[i].type); ++i, ++lpmiItem) {
+	for (int i = 0; i < MAX_COMMANDS_PER_ITEM && (lpmiItem->_command[i].type); ++i) {
 		if (lpmiItem->_command[i].type == 2) {
 			// Variable Assign
 			globalDestroy(lpmiItem->_command[i].lpszVarName);
@@ -715,7 +721,7 @@ static void freeDialog(LPMPALDIALOG lpmdDialog) {
 	for (i = 0; i < MAX_PERIODS_PER_DIALOG && (lpmdDialog->_periods[i]); ++i)
 		globalFree(lpmdDialog->_periods[i]);
 
-	for (i = 0; i < MAX_COMMANDS_PER_GROUP && (lpmdDialog->_command[i].type); i++) {
+	for (i = 0; i < MAX_COMMANDS_PER_DIALOG && (lpmdDialog->_command[i].type); i++) {
 		if (lpmdDialog->_command[i].type == 2) {
 			// Variable assign
 			globalDestroy(lpmdDialog->_command[i].lpszVarName);
diff --git a/engines/tony/mpal/mpal.cpp b/engines/tony/mpal/mpal.cpp
index 04d562ffc9..4aac53bb8e 100644
--- a/engines/tony/mpal/mpal.cpp
+++ b/engines/tony/mpal/mpal.cpp
@@ -1548,6 +1548,13 @@ bool mpalInit(const char *lpszMpcFileName, const char *lpszMprFileName,
 	return true;
 }
 
+/**
+ * Frees resources allocated by the MPAL subsystem
+ */
+void mpalFree() {
+	// Free the resource list
+	globalDestroy(GLOBALS.lpResources);
+}
 
 /**
  * This is a general function to communicate with the library, to request information
diff --git a/engines/tony/mpal/mpal.h b/engines/tony/mpal/mpal.h
index f23eaf8e4a..198083f851 100644
--- a/engines/tony/mpal/mpal.h
+++ b/engines/tony/mpal/mpal.h
@@ -402,6 +402,10 @@ typedef LPITEMIRQFUNCTION* LPLPITEMIRQFUNCTION;
 bool mpalInit(const char *lpszFileName, const char *lpszMprFileName,
 					 LPLPCUSTOMFUNCTION lplpcfArray, Common::String *lpcfStrings);
 
+/**
+ * Frees resources allocated by the MPAL subsystem
+ */
+void mpalFree();
 
 /**
  * This is a general function to communicate with the library, to request information