subs: Drop a few superfluous variables

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>

diff --git a/src/lib/subs/list.c b/src/lib/subs/list.c
index 314ee70a95a92ea09a730fe925b5a78f84ccac35..728bc7d9e9735921563fc83a9f011b932876d42c 100644 (file)
--- a/src/lib/subs/list.c
+++ b/src/lib/subs/list.c
@@ -51,13 +51,11 @@
 int
 shipsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
 {
-    int first;
     int ships;
     struct nstr_item ni;
     struct mchrstr *mp;
     struct shpstr ship;
 
-    first = 1;
     ships = 0;
     snxtitem_xy(&ni, EF_SHIP, x, y);
     while (nxtitem(&ni, &ship)) {
@@ -75,10 +73,8 @@ shipsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
                continue;
        }
        if (!only_count) {
-           if (first) {
+           if (!ships)
                pr(" #          owner           eff       type\n");
-               first = 0;
-           }
            pr("(#%3d) %10.10s  %12.12s  %s\n", ni.cur,
               cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
        }
@@ -92,12 +88,10 @@ shipsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
 int
 carriersatxy(coord x, coord y, natid own)
 {
-    int first;
     int ships;
     struct nstr_item ni;
     struct shpstr ship;
 
-    first = 1;
     ships = 0;
     snxtitem_xy(&ni, EF_SHIP, x, y);
     while (nxtitem(&ni, &ship)) {
@@ -107,10 +101,8 @@ carriersatxy(coord x, coord y, natid own)
            continue;
        if ((carrier_planes(&ship, 0) & (P_L | P_K)) == 0)
            continue;
-       if (first) {
+       if (!ships)
            pr(" #          owner           eff       type\n");
-           first = 0;
-       }
        pr("(#%3d) %10.10s  %12.12s  %s\n", ni.cur,
           cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
        ships++;
@@ -121,13 +113,11 @@ carriersatxy(coord x, coord y, natid own)
 int
 unitsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
 {
-    int first;
     int units;
     struct nstr_item ni;
     struct lchrstr *lp;
     struct lndstr land;
 
-    first = 1;
     units = 0;
     snxtitem_xy(&ni, EF_LAND, x, y);
     while (nxtitem(&ni, &land)) {
@@ -153,10 +143,8 @@ unitsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
        }
 
        if (!only_count) {
-           if (first) {
+           if (!units)
                pr(" #          owner           eff       type\n");
-               first = 0;
-           }
            pr("(#%3d) %10.10s  %12.12s  %s\n", ni.cur,
               cname(land.lnd_own), effadv(land.lnd_effic), prland(&land));
        }
@@ -168,14 +156,12 @@ unitsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
 int
 planesatxy(coord x, coord y, int wantflags, int nowantflags)
 {
-    int first;
     int planes;
     struct plnstr plane;
     struct nstr_item ni;
     struct plchrstr *plp;
 
     planes = 0;
-    first = 1;
     snxtitem_xy(&ni, EF_PLANE, x, y);
     while (nxtitem(&ni, &plane)) {
        if (plane.pln_effic < PLANE_MINEFF || plane.pln_own == 0)
@@ -185,10 +171,8 @@ planesatxy(coord x, coord y, int wantflags, int nowantflags)
        if (plane.pln_flags & PLN_LAUNCHED)
            continue;
        plp = &plchr[(int)plane.pln_type];
-       if (first) {
+       if (!planes)
            pr(" #          owner           eff       type\n");
-           first = 0;
-       }
        if (wantflags) {
            if ((plp->pl_flags & wantflags) == 0)
                continue;
@@ -208,13 +192,11 @@ int
 asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
              struct plnstr *pp, struct shiplist **head)
 {
-    int first;
     int ships;
     struct nstr_item ni;
     struct mchrstr *mp;
     struct shpstr ship;
 
-    first = 1;
     ships = 0;
     snxtitem_xy(&ni, EF_SHIP, x, y);
     while (nxtitem(&ni, &ship)) {
@@ -237,10 +219,8 @@ asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
                continue;
        }
        add_shiplist(ship.shp_uid, head);
-       if (first) {
+       if (!ships)
            pr(" #          owner           eff       type\n");
-           first = 0;
-       }
        pr("(#%3d) %10.10s  %12.12s  %s\n", ni.cur,
           cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
        ships++;