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DroidFish: Protect against null pointer exception in DroidEngineControl.

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This commit is contained in:
Peter Osterlund
2011-12-11 03:11:01 +00:00
parent a1746f75dd
commit c5f3b7817c
1 changed files with 4 additions and 0 deletions
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4
DroidFish/src/org/petero/droidfish/engine/cuckoochess/DroidEngineControl.java
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@@ -315,6 +315,8 @@ public class DroidEngineControl {
* Try to find a move to ponder from the transposition table. * Try to find a move to ponder from the transposition table.
*/ */
final Move getPonderMove(Position pos, Move m) { final Move getPonderMove(Position pos, Move m) {
if (m == null)
return null;
Move ret = null; Move ret = null;
UndoInfo ui = new UndoInfo(); UndoInfo ui = new UndoInfo();
pos.makeMove(m, ui); pos.makeMove(m, ui);
@@ -333,6 +335,8 @@ public class DroidEngineControl {
} }
static final String moveToString(Move m) { static final String moveToString(Move m) {
if (m == null)
return "0000";
String ret = TextIO.squareToString(m.from); String ret = TextIO.squareToString(m.from);
ret += TextIO.squareToString(m.to); ret += TextIO.squareToString(m.to);
switch (m.promoteTo) { switch (m.promoteTo) {