Correct line clearing behaviour, EXIT_FAILURE <~ -1

1 files changed, 10 insertions, 6 deletions

diff --git a/src/ctlm.c b/src/ctlm.c
index 09900e3..13d5a97 100644
--- a/src/ctlm.c
+++ b/src/ctlm.c
@@ -221,12 +221,17 @@ handle_turn(char *line) {
 	uint8_t new_win = (won == 0xFF);
 	switch (do_ptn(line)) {
 		// Errors
-		case ACT_INVALID_PTN: { puts("Invalid PTN."); return -1; break; }
-		case ACT_ILLEGAL:  { puts("Illegal action."); return -1; break; }
+		case ACT_INVALID_PTN: {
+			puts("Invalid PTN.");
+			return EXIT_FAILURE;
+		}
+		case ACT_ILLEGAL:  {
+			puts("Illegal action.");
+			return EXIT_FAILURE;
+		}
 		case ACT_OVERFLOW: {
 			puts("Move would cause internal overflow, select another.");
 			return EXIT_FAILURE;
-			break;
 		}
 			// Game has ended
 		case GAME_END: {
@@ -252,7 +257,6 @@ handle_turn(char *line) {
 			break;
 		}
 	}
-
 	return EXIT_SUCCESS;
 }
 
@@ -333,7 +337,7 @@ negamax_display_progress(const uint8_t cur_depth,
 			progress = 0;
 		}
 		progress++;
-		printf("\x1B[0GComputing: %.0f/%d @ D%d   ",
+		printf("\x1B[0G\x1B[KComputing: %.0f/%d @ D%d",
 					 progress, length, init_depth);
 		fflush(stdout);
 	}
@@ -346,7 +350,7 @@ negamax_turn(void) {
 		num_check = 0; progress = 0; old_depth = 0;
 		float minimax = negamax_generate();
 		putchar('\n');
-		// Failed to find a move?
+		// Failed to find a non-losing move?
 		if (minimax <= -infty) puts("Opponent concedes!");
 		printf("Result: %s (%.2f, checked %.1e)\n",
 					 negamax_ptn,