refactored fallback_handler() to use command_t, isolating from side effects

[open-adventure.git] / misc.c

diff --git a/misc.c b/misc.c
index c219cfb059ec4b1f38570e208f1c7e498fd7fe45..e9d833e30ef3d547bd741ff927f4fba104282316 100644 (file)
--- a/misc.c
+++ b/misc.c
@@ -328,11 +328,12 @@ char* get_input()
 
         if (input == NULL) // Got EOF; return with it.
             return (input);
-        else if (input[0] == '#') { // Ignore comments.
+        if (input[0] == '#') { // Ignore comments.
             free(input);
             continue;
-        } else // We have a 'normal' line; leave the loop.
-            break;
+        }
+        // We have a 'normal' line; leave the loop.
+        break;
     }
 
     // Strip trailing newlines from the input
@@ -351,7 +352,7 @@ char* get_input()
 
 bool silent_yes()
 {
-    bool outcome;
+    bool outcome = false;
 
     for (;;) {
         char* reply = get_input();
@@ -362,6 +363,11 @@ bool silent_yes()
             exit(EXIT_SUCCESS);
             // LCOV_EXCL_STOP
         }
+        if (strlen(reply) == 0) {
+            free(reply);
+            rspeak(PLEASE_ANSWER);
+            continue;
+        }
 
         char* firstword = (char*) xmalloc(strlen(reply) + 1);
         sscanf(reply, "%s", firstword);
@@ -397,7 +403,7 @@ bool yes(const char* question, const char* yes_response, const char* no_response
 /*  Print message X, wait for yes/no answer.  If yes, print Y and return true;
  *  if no, print Z and return false. */
 {
-    bool outcome;
+    bool outcome = false;
 
     for (;;) {
         speak(question);
@@ -411,6 +417,12 @@ bool yes(const char* question, const char* yes_response, const char* no_response
             // LCOV_EXCL_STOP
         }
 
+        if (strlen(reply) == 0) {
+            free(reply);
+            rspeak(PLEASE_ANSWER);
+            continue;
+        }
+
         char* firstword = (char*) xmalloc(strlen(reply) + 1);
         sscanf(reply, "%s", firstword);
 
@@ -535,11 +547,11 @@ long get_vocab_id(const char* word)
     return (WORD_NOT_FOUND);
 }
 
-void juggle(long object)
+void juggle(obj_t object)
 /*  Juggle an object by picking it up and putting it down again, the purpose
  *  being to get the object to the front of the chain of things at its loc. */
 {
-    long i, j;
+    loc_t i, j;
 
     i = game.place[object];
     j = game.fixed[object];
@@ -547,7 +559,7 @@ void juggle(long object)
     move(object + NOBJECTS, j);
 }
 
-void move(long object, long where)
+void move(obj_t object, loc_t where)
 /*  Place any object anywhere by picking it up and dropping it.  May
  *  already be toting, in which case the carry is a no-op.  Mustn't
  *  pick up objects which are not at any loc, since carry wants to
@@ -559,20 +571,21 @@ void move(long object, long where)
         from = game.fixed[object - NOBJECTS];
     else
         from = game.place[object];
-    if (from != LOC_NOWHERE && from != CARRIED && !SPECIAL(from))
+    /* (ESR) Used to check for !SPECIAL(from). I *think* that was wrong... */
+    if (from != LOC_NOWHERE && from != CARRIED)
         carry(object, from);
     drop(object, where);
 }
 
-long put(long object, long where, long pval)
-/*  PUT is the same as MOVE, except it returns a value used to set up the
+long put(obj_t object, loc_t where, long pval)
+/*  put() is the same as move(), except it returns a value used to set up the
  *  negated game.prop values for the repository objects. */
 {
     move(object, where);
-    return (-1) - pval;;
+    return STASHED(pval);
 }
 
-void carry(long object, long where)
+void carry(obj_t object, loc_t where)
 /*  Start toting an object, removing it from the list of things at its former
  *  location.  Incr holdng unless it was already being toted.  If object>NOBJECTS
  *  (moving "fixed" second loc), don't change game.place or game.holdng. */
@@ -596,7 +609,7 @@ void carry(long object, long where)
     game.link[temp] = game.link[object];
 }
 
-void drop(long object, long where)
+void drop(obj_t object, loc_t where)
 /*  Place an object at a given loc, prefixing it onto the game.atloc list.  Decr
  *  game.holdng if the object was being toted. */
 {
@@ -607,13 +620,14 @@ void drop(long object, long where)
             --game.holdng;
         game.place[object] = where;
     }
-    if (where <= 0)
+    if (where == LOC_NOWHERE ||
+        where == CARRIED)
         return;
     game.link[object] = game.atloc[where];
     game.atloc[where] = object;
 }
 
-long atdwrf(long where)
+long atdwrf(loc_t where)
 /*  Return the index of first dwarf at the given location, zero if no dwarf is
  *  there (or if dwarves not active yet), -1 if all dwarves are dead.  Ignore
  *  the pirate (6th dwarf). */
@@ -690,9 +704,11 @@ void bug(enum bugtype num, const char *error_string)
 
 /* end */
 
-void state_change(long obj, long state)
+void state_change(obj_t obj, long state)
 /* Object must have a change-message list for this to be useful; only some do */
 {
     game.prop[obj] = state;
     pspeak(obj, change, state, true);
-}
\ No newline at end of file
+}
+
+/* end */