Merge pull request #368 from ennorehling/coverity-scan

coverity scan fixes

src/battle.h

@@ -39,8 +39,8 @@ extern "C" {
 #define BEHIND_ROW 2
 #define AVOID_ROW 3
 #define FLEE_ROW 4
-#define LAST_ROW (NUMROWS-1)
 #define FIRST_ROW FIGHT_ROW
+#define LAST_ROW FLEE_ROW
 #define MAXSIDES 192            /* if there are ever more than this, we're fucked. */
 
     struct message;

src/chaos.c

@@ -176,6 +176,7 @@ static void chaos(region * r)
                     set_money(u, u->number * (rng_int() % mfac));
                 fset(u, UFL_ISNEW | UFL_MOVED);
             }
+            break;
         case 2:                  /* Terrainveränderung */
             if (!fval(r->terrain, FORBIDDEN_REGION)) {
                 if (!fval(r->terrain, SEA_REGION)) {

src/jsreport.c

@@ -76,6 +76,7 @@ static int report_json(const char *filename, report_context * ctx, const char *c
                     "\"margin\": 0, \"name\": \"hextiles\", \"properties\": { }, \"spacing\": 0, "
                     "\"tileheight\" : 64, \"tilewidth\" : 64 }], \"tilewidth\": 64, \"tileheight\": 96}", F);
             }
+            fclose(F);
             return 0;
         }
         return -1;

src/kernel/connection.c

@@ -606,7 +606,6 @@ int read_borders(struct storage *store)
     for (;;) {
         int bid = 0;
         char zText[32];
-        connection *b;
         region *from, *to;
         border_type *type;
 
@@ -629,6 +628,10 @@ int read_borders(struct storage *store)
             READ_INT(store, &tid);
             from = findregionbyid(fid);
             to = findregionbyid(tid);
+            if (!to || !from) {
+                log_warning("%s connection between incomplete regions %d and %d", zText, fid, tid);
+                continue;
+            }
         }
 
         type = find_bordertype(zText);
@@ -644,26 +647,29 @@ int read_borders(struct storage *store)
             if (r != NULL)
                 to = r;
         }
-        b = new_border(type, from, to);
-        nextborder--;               /* new_border erhöht den Wert */
-        b->id = bid;
-        assert(bid <= nextborder);
-        if (type->read)
-            type->read(b, store);
-        if (global.data_version < NOBORDERATTRIBS_VERSION) {
-            attrib *a = NULL;
-            int result = a_read(store, &a, b);
-            if (border_convert_cb)
-                border_convert_cb(b, a);
-            while (a) {
-                a_remove(&a, a);
-            }
-            if (result < 0)
-                return result;
+        if ((type->read && !type->write)) {
+            log_warning("ignore invalid border '%s' between '%s' and '%s'\n", zText, regionname(from, 0), regionname(to, 0));
         }
-        if ((type->read && !type->write) || !to || !from) {
-            log_warning("erase invalid border '%s' between '%s' and '%s'\n", type->__name, regionname(from, 0), regionname(to, 0));
-            erase_border(b);
+        else {
+            connection *b = new_border(type, from, to);
+            nextborder--;               /* new_border erhöht den Wert */
+            b->id = bid;
+            assert(bid <= nextborder);
+            if (type->read)
+                type->read(b, store);
+            if (global.data_version < NOBORDERATTRIBS_VERSION) {
+                attrib *a = NULL;
+                int result = a_read(store, &a, b);
+                if (border_convert_cb) {
+                    border_convert_cb(b, a);
+                }
+                while (a) {
+                    a_remove(&a, a);
+                }
+                if (result < 0) {
+                    return result;
+                }
+            }
         }
     }
     return 0;

src/randenc.c

@@ -449,7 +449,7 @@ static int nb_armor(const unit * u, int index)
 static int
 damage_unit(unit * u, const char *dam, bool physical, bool magic)
 {
-    int *hp = malloc(u->number * sizeof(int));
+    int *hp, hpstack[20];
     int h;
     int i, dead = 0, hp_rem = 0, heiltrank;
     double magres = magic_resistance(u);
@@ -462,6 +462,12 @@ damage_unit(unit * u, const char *dam, bool physical, bool magic)
     assert(u->number <= u->hp);
     h = u->hp / u->number;
     /* HP verteilen */
+    if (u->number < 20) {
+        hp = hpstack;
+    }
+    else {
+        hp = malloc(u->number * sizeof(int));
+    }
     for (i = 0; i < u->number; i++)
         hp[i] = h;
     h = u->hp - (u->number * h);
@@ -517,7 +523,9 @@ damage_unit(unit * u, const char *dam, bool physical, bool magic)
     scale_number(u, u->number - dead);
     u->hp = hp_rem;
 
-    free(hp);
+    if (hp != hpstack) {
+        free(hp);
+    }
 
     return dead;
 }
@@ -525,7 +533,7 @@ damage_unit(unit * u, const char *dam, bool physical, bool magic)
 void drown(region * r)
 {
     if (fval(r->terrain, SEA_REGION)) {
-        unit **up = up = &r->units;
+        unit **up = &r->units;
         while (*up) {
             unit *u = *up;
 
@@ -580,7 +588,7 @@ volcano_destruction(region * volcano, region * r, const char *damage)
     rsettrees(r, 0, 0);
 
     a = a_find(r->attribs, &at_reduceproduction);
-    if (a) {
+    if (!a) {
         a = a_add(&r->attribs, make_reduceproduction(percent, time));
     }
     else {

src/spells/borders.c

@@ -263,6 +263,7 @@ void convert_firewall_timeouts(connection * b, attrib * a)
             wall_data *fd = (wall_data *)b->data.v;
             fd->countdown = a->data.i;
         }
+        a = a->next;
     }
 }
 

src/util/crmessage.c

@@ -91,22 +91,21 @@ void crt_register(const struct message_type *mtype)
         crt = crt->next;
     }
     if (!crt) {
-        int i;
         crt = malloc(sizeof(crmessage_type));
         crt->mtype = mtype;
         crt->next = crtypes[hash];
         crtypes[hash] = crt;
         if (mtype->nparameters > 0) {
+            int i;
             crt->renderers = malloc(sizeof(tostring_f) * mtype->nparameters);
+            /* can be scrapped for memory vs. speed */
+            for (i = 0; i != mtype->nparameters; ++i) {
+                crt->renderers[i] = tsf_find(mtype->types[i]->name);
+            }
         }
         else {
             crt->renderers = NULL;
         }
-
-        /* can be scrapped for memory vs. speed */
-        for (i = 0; i != mtype->nparameters; ++i) {
-            crt->renderers[i] = tsf_find(mtype->types[i]->name);
-        }
     }
 }