Give fairland's variables internal linkage

diff --git a/src/util/fairland.c b/src/util/fairland.c
index 08d2af283a8d6e801941037cbf26708ae4bf89a4..5536ddc2e0ccf9f312f2132fe310ae97f26416bc 100644 (file)
--- a/src/util/fairland.c
+++ b/src/util/fairland.c
@@ -120,33 +120,33 @@ static char *program_name;
 #define new_y(newy) (((newy) + WORLD_Y) % WORLD_Y)
 #define rnd(x) (random() % (x))
 
-int secs;                      /* number of sectors grown */
-int ctot;                      /* total number of continents and islands grown */
-int *isecs;                    /* array of how large each island is */
-
-int nc, sc, di, sp, pm, ni, is, id;    /* the 8 arguments to this program */
-unsigned long rnd_seed;                /* optional seed can be passed as an argument */
-int *capx, *capy;              /* location of the nc capitals */
-int *mc, mcc;                  /* array and counter used for stability
+static int secs;               /* number of sectors grown */
+static int ctot;               /* total number of continents and islands grown */
+static int *isecs;             /* array of how large each island is */
+
+static int nc, sc, di, sp, pm, ni, is, id; /* the 8 args to this program */
+static unsigned long rnd_seed; /* optional seed argument */
+static int *capx, *capy;       /* location of the nc capitals */
+static int *mc, mcc;           /* array and counter used for stability
                                   check when perturbing */
-int spike;                     /* are we spiking? */
-int mind;                      /* the final distance between capitals that
+static int spike;              /* are we spiking? */
+static int mind;               /* the final distance between capitals that
                                   we achieved */
-int dirx[] = { -2, -1, 1, 2, 1, -1 };  /* gyujnb */
-int diry[] = { 0, -1, -1, 0, 1, 1 };
-
-int **own;                     /* owner of the sector.  -1 means water */
-int **elev;                    /* elevation of the sectors */
-int **sectx, **secty;          /* the sectors for each continent */
-int **sectc;                   /* which sectors are on the coast? */
-int *vector;                   /* used for measuring distances */
-int *weight;                   /* used for placing mountains */
-int *dsea, *dmoun;             /* the dist to the ocean and mountain */
-int fl_status;                 /* is anything wrong? */
+static int dirx[] = { -2, -1, 1, 2, 1, -1 }; /* gyujnb */
+static int diry[] = { 0, -1, -1, 0, 1, 1 };
+
+static int **own;              /* owner of the sector.  -1 means water */
+static int **elev;             /* elevation of the sectors */
+static int **sectx, **secty;   /* the sectors for each continent */
+static int **sectc;            /* which sectors are on the coast? */
+static int *vector;            /* used for measuring distances */
+static int *weight;            /* used for placing mountains */
+static int *dsea, *dmoun;      /* the dist to the ocean and mountain */
+static int fl_status;          /* is anything wrong? */
 #define STATUS_NO_ROOM 1       /* there was no room to grow */
 #define NUMTRIES 10            /* keep trying to grow this many times */
 
-const char *numletter =
+static const char *numletter =
     "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
 static void help(char *);