[Change] Change data type to unsigned int for prices rather than signed

int.

src/comm.c

@@ -119,7 +119,7 @@ int comm_open(unsigned int pilot) {
 static void comm_bribe(unsigned int wid, char* unused) {
   (void)unused;
   int answer;
-  int price;
+  unsigned int price;
   char* str;
   lua_State* L;
 

src/economy.h

@@ -3,7 +3,7 @@
 typedef struct Commodity_ {
   char* name;
   char* description;
-  int low, medium, high; /* Prices. */
+  unsigned int low, medium, high; /* Prices. */
 } Commodity;
 
 /* Commidity stuff. */

src/land.c

@@ -97,7 +97,7 @@ static void shipyard_yoursUpdate(unsigned int wid, char* str);
 static void shipyard_yoursChange(unsigned int wid, char* str);
 static void shipyard_yoursSell(unsigned int wid, char* str);
 static void shipyard_yoursTransport(unsigned int wid, char* str);
-static int  shipyard_yoursTransportPrice(char* shipname);
+static unsigned int  shipyard_yoursTransportPrice(char* shipname);
 /* Spaceport bar. */
 static void spaceport_bar_open(void);
 /* News. */
@@ -108,7 +108,7 @@ static void misn_accept(unsigned int wid, char* str);
 static void misn_genList(unsigned int wid, int first);
 static void misn_update(unsigned int wid, char* str);
 /* Refuel. */
-static int refuel_price(void);
+static unsigned int refuel_price(void);
 static void spaceport_refuel(unsigned int wid, char* str);
 
 /* The local market. */
@@ -415,7 +415,7 @@ static int outfit_canBuy(Outfit* outfit, int q, int errmsg) {
     return 0;
   }
   /* Not enough $$. */
-  else if(q*(int)outfit->price >= player->credits) {
+  else if(q*outfit->price >= player->credits) {
     if(errmsg != 0) {
       credits2str(buf, q*outfit->price - player->credits, 2);
       dialogue_alert("You need %s more SCred.", buf);
@@ -776,7 +776,7 @@ static void shipyard_yoursUpdate(unsigned int wid, char* str) {
   char* shipname;
   Pilot* ship;
   char* loc;
-  int price;
+  unsigned int price;
 
   shipname = toolkit_getList(wid, "lstYourShips");
   if(strcmp(shipname, "None")==0) {
@@ -904,7 +904,7 @@ static void shipyard_yoursSell(unsigned int wid, char* str) {
 
 static void shipyard_yoursTransport(unsigned int wid, char* str) {
   (void)str;
-  int price;
+  unsigned int price;
   char* shipname, buf[16];
 
   shipname = toolkit_getList(wid, "lstYourShips");
@@ -935,7 +935,7 @@ static void shipyard_yoursTransport(unsigned int wid, char* str) {
   shipyard_yoursUpdate(wid, NULL);
 }
 
-static int shipyard_yoursTransportPrice(char* shipname) {
+static unsigned int shipyard_yoursTransportPrice(char* shipname) {
   char* loc;
   Pilot* ship;
   int price;
@@ -1100,8 +1100,8 @@ static void misn_update(unsigned int wid, char* str) {
 }
 
 /* Return how much it will cost to refuel the player. */
-static int refuel_price(void) {
-  return (player->fuel_max - player->fuel)*3;
+static unsigned int refuel_price(void) {
+  return (unsigned int)((player->fuel_max - player->fuel)*3);
 }
 
 /* Refuel the player. */

src/pilot.h

@@ -153,7 +153,7 @@ typedef struct Pilot_ {
   double jam_chance;        /**< Jam chance. */
 
   /* Cargo. */
-  int credits;                  /**< Moniez the pilot has. */
+  unsigned int credits;         /**< Moniez the pilot has. */
   PilotCommodity* commodities;  /**< Commodity and quantity. */
   int ncommodities;             /**< Number of commodies. */
   int cargo_free;               /**< Free commodity space. */

src/ship.h

@@ -52,10 +52,10 @@ typedef struct Ship_ {
   ShipClass class; /* Ship class. */
 
   /* Store stuff. */
-  int price;      /* Price! */
+  unsigned int price; /* Price! */
   int tech;
-  char* fabricator;  /* Manufacturer. */
-  char* description; /* Sales pitch. */
+  char* fabricator;   /* Manufacturer. */
+  char* description;  /* Sales pitch. */
 
   /* Movement. */
   double thrust, turn, speed;