Treat null or blank values for batting and throwing side in rosters a…

…s question marks.

ChangeLog.md

@@ -16,6 +16,8 @@
   "unknown" values are output as 0 for `BEVENT` compatibility.
 - In `cwevent`, the implementation of the batter/runner "fate" extended fields was
   entirely incorrect.  This has been corrected.  (#45)
+- In handling rosters, treat blank or null values for batting or throwing side
+  as if they were explicit question marks.
 
 
 # [0.10.0] - 2023-01-02

src/cwlib/roster.c

@@ -293,7 +293,7 @@ cw_roster_batting_hand(CWRoster *roster, char *player_id)
 
   for (player = roster->first_player; player; player = player->next) {
     if (!strcmp(player->player_id, player_id)) {
-      return player->bats;
+      return (player->bats != '\0' && player->bats != ' ') ? player->bats : '?';
     }
   }
 
@@ -311,7 +311,7 @@ cw_roster_throwing_hand(CWRoster *roster, char *player_id)
 
   for (player = roster->first_player; player; player = player->next) {
     if (!strcmp(player->player_id, player_id)) {
-      return player->throws;
+      return (player->throws != '\0' && player->throws != ' ') ? player->throws : '?';
     }
   }
 

src/cwtools/cwevent.c

@@ -218,9 +218,9 @@ DECLARE_FIELDFUNC(cwevent_batter_hand)
 {
   char batterHand, pitcherHand;
   if (gameiter->event->batter_hand == ' ') {
-    batterHand = cw_roster_batting_hand((gameiter->event->batting_team == 0) ? 
-					visitors : home,
-					gameiter->event->batter);
+    batterHand = cw_roster_batting_hand((gameiter->event->batting_team == 0) ?
+                                        visitors : home,
+                                        gameiter->event->batter);
   }
   else {
     batterHand = gameiter->event->batter_hand;
@@ -230,11 +230,11 @@ DECLARE_FIELDFUNC(cwevent_batter_hand)
     if (gameiter->state->pitcher_hand != ' ') {
       pitcherHand = gameiter->state->pitcher_hand;
     }
-    else{
+    else {
       pitcherHand =
-	cw_roster_throwing_hand((gameiter->event->batting_team == 0) ?
-				home : visitors,
-				gameiter->state->fielders[1][1-gameiter->state->batting_team]);
+        cw_roster_throwing_hand((gameiter->event->batting_team == 0) ?
+                                home : visitors,
+                                gameiter->state->fielders[1][1 - gameiter->state->batting_team]);
     }
     if (pitcherHand == 'L') {
       batterHand = 'R';