NULL does not need a cast

[bsdgames-darwin.git] / cribbage / io.c

diff --git a/cribbage/io.c b/cribbage/io.c
index 8bf6ee62ad30a277ca23a1f18632dbd164453352..ed7507844acf60ec29499163aba20969e2001542 100644 (file)
--- a/cribbage/io.c
+++ b/cribbage/io.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: io.c,v 1.23 2009/07/13 19:05:40 roy Exp $      */
+/*     $NetBSD: io.c,v 1.26 2011/05/23 22:48:52 joerg Exp $    */
 
 /*-
  * Copyright (c) 1980, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)io.c       8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: io.c,v 1.23 2009/07/13 19:05:40 roy Exp $");
+__RCSID("$NetBSD: io.c,v 1.26 2011/05/23 22:48:52 joerg Exp $");
 #endif
 #endif /* not lint */
 
@@ -58,29 +58,35 @@ __RCSID("$NetBSD: io.c,v 1.23 2009/07/13 19:05:40 roy Exp $");
 #endif
 #define        CTRL(X)                 (X - 'A' + 1)
 
-char    linebuf[LINESIZE];
+static int msgcrd(CARD, BOOLEAN, const char *, BOOLEAN);
+static void printcard(WINDOW *, int, CARD, BOOLEAN);
+static int incard(CARD *);
+static void wait_for(int);
+static int readchar(void);
 
-const char   *const rankname[RANKS] = {
+static char linebuf[LINESIZE];
+
+static const char *const rankname[RANKS] = {
        "ACE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN",
        "EIGHT", "NINE", "TEN", "JACK", "QUEEN", "KING"
 };
 
-const char   *const rankchar[RANKS] = {
+static const char *const rankchar[RANKS] = {
        "A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"
 };
 
-const char *const suitname[SUITS] = {"SPADES", "HEARTS", "DIAMONDS", "CLUBS"};
+static const char *const suitname[SUITS] = {
+       "SPADES", "HEARTS", "DIAMONDS", "CLUBS"
+};
 
-const char   *const suitchar[SUITS] = {"S", "H", "D", "C"};
+static const char *const suitchar[SUITS] = {"S", "H", "D", "C"};
 
 /*
  * msgcard:
  *     Call msgcrd in one of two forms
  */
 int
-msgcard(c, brief)
-       CARD c;
-       BOOLEAN brief;
+msgcard(CARD c, BOOLEAN brief)
 {
        if (brief)
                return (msgcrd(c, TRUE, NULL, TRUE));
@@ -92,7 +98,7 @@ msgcard(c, brief)
  * msgcrd:
  *     Print the value of a card in ascii
  */
-int
+static int
 msgcrd(CARD c, BOOLEAN brfrank, const char *mid, BOOLEAN brfsuit)
 {
        if (c.rank == EMPTY || c.suit == EMPTY)
@@ -100,13 +106,13 @@ msgcrd(CARD c, BOOLEAN brfrank, const char *mid, BOOLEAN brfsuit)
        if (brfrank)
                addmsg("%1.1s", rankchar[c.rank]);
        else
-               addmsg(rankname[c.rank]);
+               addmsg("%s", rankname[c.rank]);
        if (mid != NULL)
-               addmsg(mid);
+               addmsg("%s", mid);
        if (brfsuit)
                addmsg("%1.1s", suitchar[c.suit]);
        else
-               addmsg(suitname[c.suit]);
+               addmsg("%s", suitname[c.suit]);
        return (TRUE);
 }
 
@@ -114,7 +120,7 @@ msgcrd(CARD c, BOOLEAN brfrank, const char *mid, BOOLEAN brfsuit)
  * printcard:
  *     Print out a card.
  */
-void
+static void
 printcard(WINDOW *win, int cardno, CARD c, BOOLEAN blank)
 {
        prcard(win, cardno * 2, cardno, c, blank);
@@ -174,7 +180,7 @@ infrom(const CARD hand[], int n, const char *prompt)
                exit(74);
        }
        for (;;) {
-               msg(prompt);
+               msg("%s", prompt);
                if (incard(&crd)) {     /* if card is full card */
                        if (!is_one(crd, hand, n))
                                msg("That's not in your hand");
@@ -216,7 +222,7 @@ infrom(const CARD hand[], int n, const char *prompt)
  *     Inputs a card in any format.  It reads a line ending with a CR
  *     and then parses it.
  */
-int
+static int
 incard(CARD *crd)
 {
        int i;
@@ -324,7 +330,7 @@ number(int lo, int hi, const char *prompt)
        int sum;
 
        for (sum = 0;;) {
-               msg(prompt);
+               msg("%s", prompt);
                if (!(p = get_line()) || *p == '\0') {
                        msg(quiet ? "Not a number" :
                            "That doesn't look like a number");
@@ -357,8 +363,8 @@ number(int lo, int hi, const char *prompt)
  * msg:
  *     Display a message at the top of the screen.
  */
-char    Msgbuf[BUFSIZ] = {'\0'};
-int     Mpos = 0;
+static char Msgbuf[BUFSIZ] = {'\0'};
+static int Mpos = 0;
 static int Newpos = 0;
 
 void
@@ -392,7 +398,7 @@ addmsg(const char *fmt, ...)
  * endmsg:
  *     Display a new msg.
  */
-int     Lineno = 0;
+static int Lineno = 0;
 
 void
 endmsg(void)
@@ -465,7 +471,7 @@ do_wait(void)
  * wait_for
  *     Sit around until the guy types the right key
  */
-void
+static void
 wait_for(int ch)
 {
        int c;
@@ -482,7 +488,7 @@ wait_for(int ch)
  * readchar:
  *     Reads and returns a character, checking for gross input errors
  */
-int
+static int
 readchar(void)
 {
        int cnt;