X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fscreens.c;h=a5bc5ac1b7009f31f46d5831681f9705d7eb8d2e;hp=b13890a1c380161681c9c8f1a387035a83cfd94f;hb=f6d6f94c5738467ae3f3ba639f01244581d8ea1f;hpb=e02c111162d5d8a13715de71d93494120380ec9b

diff --git a/src/screens.c b/src/screens.c
index b13890a1..a5bc5ac1 100644
--- a/src/screens.c
+++ b/src/screens.c
@@ -6522,7 +6522,6 @@ static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
   static boolean bitmaps_initialized = FALSE;
   boolean screen_initialized = FALSE;
   static Bitmap *controller, *button, *axis_x, *axis_y;
-  Bitmap *marker;
   char *name;
   boolean success = TRUE;
   boolean done = FALSE, next = FALSE;
@@ -6602,6 +6601,8 @@ static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
   /* loop through all steps (buttons and axes), getting joystick events */
   for (i = 0; i < SDL_arraysize(steps) && !done;)
   {
+    Bitmap *marker = button;	/* initialize with reliable default value */
+
     step = &steps[i];
     strcpy(step->mapping, mapping);
     step->axis = -1;
@@ -6777,14 +6778,19 @@ static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
 	    if (event.key.keysym.sym == KSYM_BackSpace ||
 		event.key.keysym.sym == KSYM_Back)
 	    {
-	      /* undo this step */
-	      if (i > 0)
+	      if (i == 0)
 	      {
-		prev_step = &steps[--i];
-		strcpy(mapping, prev_step->mapping);
-		next = TRUE;
+		/* leave screen */
+		success = FALSE;
+		done = TRUE;
 	      }
 
+	      /* undo this step */
+	      prev_step = &steps[i - 1];
+	      strcpy(mapping, prev_step->mapping);
+	      i--;
+	      next = TRUE;
+
 	      break;
 	    }
 
@@ -6801,6 +6807,7 @@ static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
 
 	    if (event.key.keysym.sym == KSYM_Escape)
 	    {
+	      /* leave screen */
 	      success = FALSE;
 	      done = TRUE;
 	    }