From 2c5438d3c22fe863ad8054d214f2afdd061ad43a Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Fri, 29 Sep 2006 07:59:45 +0000
Subject: [PATCH] Get rid of DESTROY macro.

---
 src/ai.c      | 2 +-
 src/battle.c  | 4 ++--
 src/events.c  | 4 ++--
 src/planets.c | 7 ++++---
 src/sst.h     | 4 +---
 5 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/src/ai.c b/src/ai.c
index 7f0112d..31d19ad 100644
--- a/src/ai.c
+++ b/src/ai.c
@@ -360,7 +360,7 @@ static bool movescom(coord iq, bool avoid)
 	if (same(game.state.planets[i].w, game.state.kscmdr) &&
 	    game.state.planets[i].crystals == present) {
 	    /* destroy the planet */
-	    DESTROY(&game.state.planets[i]);
+	    game.state.planets[i].pclass = destroyed;
 	    game.state.galaxy[game.state.kscmdr.x][game.state.kscmdr.y].planet = NOPLANET;
 	    if (!damaged(DRADIO) || game.condition == docked) {
 		pause_game(true);
diff --git a/src/battle.c b/src/battle.c
index 8f45cfb..d9e8154 100644
--- a/src/battle.c
+++ b/src/battle.c
@@ -399,7 +399,7 @@ void torpedo(double course, double r, coord in, double *hit, int i, int n)
 	    prout(_(" destroyed."));
 	    game.state.nplankl++;
 	    q->planet = NOPLANET;
-	    DESTROY(&game.state.planets[game.iplnet]);
+	    game.state.planets[game.iplnet].pclass = destroyed;
 	    game.iplnet = 0;
 	    invalidate(game.plnet);
 	    game.quad[w.x][w.y] = IHDOT;
@@ -413,7 +413,7 @@ void torpedo(double course, double r, coord in, double *hit, int i, int n)
 	    prout(_(" destroyed."));
 	    game.state.nworldkl++;
 	    q->planet = NOPLANET;
-	    DESTROY(&game.state.planets[game.iplnet]);
+	    game.state.planets[game.iplnet].pclass = destroyed;
 	    game.iplnet = 0;
 	    invalidate(game.plnet);
 	    game.quad[w.x][w.y] = IHDOT;
diff --git a/src/events.c b/src/events.c
index aeefdb4..b4b6121 100644
--- a/src/events.c
+++ b/src/events.c
@@ -689,7 +689,7 @@ void nova(coord nov)
 			game.state.nplankl++;
 			crmena(true, IHP, sector, scratch);
 			prout(_(" destroyed."));
-			DESTROY(&game.state.planets[game.iplnet]);
+			game.state.planets[game.iplnet].pclass = destroyed;
 			game.iplnet = 0;
 			invalidate(game.plnet);
 			if (game.landed) {
@@ -919,7 +919,7 @@ void supernova(bool induced, coord *w)
 	int loop;
 	for (loop = 0; loop < game.inplan; loop++)
 	    if (same(game.state.planets[loop].w, nq)) {
-		DESTROY(&game.state.planets[loop]);
+		game.state.planets[loop].pclass = destroyed;
 	    }
     }
     /* Destroy any base in supernovaed quadrant */
diff --git a/src/planets.c b/src/planets.c
index 5f31e5d..8aba37c 100644
--- a/src/planets.c
+++ b/src/planets.c
@@ -22,10 +22,11 @@ void survey(void)
     prout(_("Spock-  \"Planet report follows, Captain.\""));
     skip(1);
     for (i = 0; i < game.inplan; i++) {
+	if (game.state.planets[i].pclass == destroyed)
+	    continue;
 	if ((game.state.planets[i].known != unknown
-	    && game.state.planets[i].inhabited == UNINHABITED)
-	    || (idebug && game.state.planets[i].w.x !=0)
-	    ) {
+	     && game.state.planets[i].inhabited == UNINHABITED)
+	    || idebug) {
 	    iknow = true;
 	    if (idebug && game.state.planets[i].known==unknown)
 		proutn("(Unknown) ");
diff --git a/src/sst.h b/src/sst.h
index 63a9679..7389c5d 100644
--- a/src/sst.h
+++ b/src/sst.h
@@ -47,15 +47,13 @@ typedef struct {int x; int y;} coord;
 
 typedef struct {
     coord w;
-    enum {M=0, N=1, O=2} pclass;
+    enum {destroyed= -1, M=0, N=1, O=2} pclass;
     int inhabited;	/* if NZ, an index into a name array */
 #define UNINHABITED	-1
     enum {mined=-1, present=0, absent=1} crystals; /* has crystals */
     enum {unknown, known, shuttle_down} known;
 } planet;
 
-#define DESTROY(pl)	memset(pl, '\0', sizeof(planet))
-
 typedef enum {
     IHR = 'R',
     IHK = 'K',
-- 
2.31.1