Eliminated bivalve function.

Reason: only called in lock(), you can't be TOTING a clam, you can't
have the trident at a carryable oyster, and the code IMHO is more
readable this way.

actions.c

@@ -210,38 +210,6 @@ static int bigwords(token_t foo)
     }
 }
 
-static int bivalve(token_t verb, token_t obj)
-/* Clam/oyster actions */
-{
-    bool is_oyster = (obj == OYSTER);
-    if (verb == LOCK) {
-        rspeak(HUH_MAN);
-        return GO_CLEAROBJ;
-    }
-    if (!TOTING(TRIDENT)) {
-        rspeak(is_oyster ?
-               OYSTER_OPENER :
-               CLAM_OPENER);
-        return GO_CLEAROBJ;
-    }
-    if (TOTING(obj)) {
-        rspeak( is_oyster ?
-                DROP_OYSTER :
-                DROP_CLAM);
-        return GO_CLEAROBJ;
-    }
-
-    if (!is_oyster) {
-        DESTROY(CLAM);
-        drop(OYSTER, game.loc);
-        drop(PEARL, LOC_CULDESAC);
-    }
-    rspeak(is_oyster ?
-           OYSTER_OPENS :
-           PEARL_FALLS);
-    return GO_CLEAROBJ;
-}
-
 static void blast(void)
 /*  Blast.  No effect unless you've got dynamite, which is a neat trick! */
 {
@@ -946,8 +914,24 @@ static int lock(token_t verb, token_t obj)
 
     switch (obj) {
     case CLAM:
+        if (verb == LOCK)
+            rspeak(HUH_MAN);
+        else if (!TOTING(TRIDENT))
+            rspeak(OYSTER_OPENER);
+        else {
+            DESTROY(CLAM);
+            drop(OYSTER, game.loc);
+            drop(PEARL, LOC_CULDESAC);
+            rspeak(PEARL_FALLS);
+        }
+        return GO_CLEAROBJ;
     case OYSTER:
-        return bivalve(verb, obj);
+        if (verb == LOCK)
+            rspeak(HUH_MAN);
+        else
+            rspeak(OYSTER_OPENER);
+
+        return GO_CLEAROBJ;
     case DOOR:
         rspeak((game.prop[DOOR] == DOOR_UNRUSTED) ? OK_MAN : RUSTY_DOOR);
         break;

tests/breakmirror.chk

@@ -2933,6 +2933,10 @@ Huh?
 
 Huh?
 
+> unlock oyster
+
+You don't have anything strong enough to open the oyster.
+
 > drop oyster
 
 OK
@@ -2977,7 +2981,7 @@ The resulting ruckus has awakened the dwarves.  There are now several
 threatening little dwarves in the room with you!  Most of them throw
 knives at you!  All of them get you!
 
-You scored 383 out of a possible 430, using 475 turns.
+You scored 383 out of a possible 430, using 476 turns.
 
 Your score puts you in Master Adventurer Class B.
 

tests/breakmirror.log

@@ -473,6 +473,7 @@ take oyster
 find oyster
 lock
 lock oyster
+unlock oyster
 drop oyster
 take oyster
 read oyster