add a 'down' key to tetris, defaulting to 'n'. it move the block down

[bsdgames-darwin.git] / quiz / rxp.c

diff --git a/quiz/rxp.c b/quiz/rxp.c
index cd8b223d8585d497a9d547db6bcb74388ac7e120..015d8a51a3292651320e7ced4cb62ca3b1203582 100644 (file)
--- a/quiz/rxp.c
+++ b/quiz/rxp.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: rxp.c,v 1.8 2002/08/06 03:39:44 dbj Exp $      */
+/*     $NetBSD: rxp.c,v 1.13 2009/08/27 00:31:12 dholland Exp $        */

 
 /*-
  * Copyright (c) 1991, 1993
 
 /*-
  * Copyright (c) 1991, 1993


@@ -16,11 +16,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.

- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors

  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *


@@ -42,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)rxp.c      8.1 (Berkeley) 5/31/93";
 #else
 #if 0
 static char sccsid[] = "@(#)rxp.c      8.1 (Berkeley) 5/31/93";
 #else

-__RCSID("$NetBSD: rxp.c,v 1.8 2002/08/06 03:39:44 dbj Exp $");
+__RCSID("$NetBSD: rxp.c,v 1.13 2009/08/27 00:31:12 dholland Exp $");

 #endif
 #endif /* not lint */
 
 #endif
 #endif /* not lint */
 


@@ -68,6 +64,7 @@ __RCSID("$NetBSD: rxp.c,v 1.8 2002/08/06 03:39:44 dbj Exp $");
  */
 
 #include <stdio.h>
  */
 
 #include <stdio.h>

+#include <stdlib.h>

 #include <ctype.h>
 #include "quiz.h"
                                        /* regexp tokens,       arg */
 #include <ctype.h>
 #include "quiz.h"
                                        /* regexp tokens,       arg */


@@ -85,21 +82,18 @@ typedef short Rxp_t;                        /* type for regexp tokens */
 static Rxp_t rxpbuf[RXP_LINE_SZ];      /* compiled regular expression buffer */
 char rxperr[128];                      /* parser error message */
 
 static Rxp_t rxpbuf[RXP_LINE_SZ];      /* compiled regular expression buffer */
 char rxperr[128];                      /* parser error message */
 

-static int      rxp__compile __P((const char *, int));
-static char    *rxp__expand __P((int));
-static int      rxp__match __P((const char *, int, Rxp_t *, Rxp_t *, const char *));
+static int      rxp__compile(const char *, int);
+static char    *rxp__expand(int);
+static int      rxp__match(const char *, int, Rxp_t *, Rxp_t *, const char *);

 
 int
 
 int

-rxp_compile(s)
-       const char *    s;
+rxp_compile(const char *s)

 {
        return (rxp__compile(s, TRUE));
 }
 
 static int
 {
        return (rxp__compile(s, TRUE));
 }
 
 static int

-rxp__compile(s, first)
-       const char *s;
-       int first;
+rxp__compile(const char *s, int first)

 {
        static Rxp_t *rp;
        static const char *sp;
 {
        static Rxp_t *rp;
        static const char *sp;


@@ -195,25 +189,22 @@ rxp__compile(s, first)
  * match string against compiled regular expression
  */
 int
  * match string against compiled regular expression
  */
 int

-rxp_match(s)
-       const char *    s;
+rxp_match(const char *s)

 {
        return (rxp__match(s, TRUE, NULL, NULL, NULL));
 }
 
 static int
 {
        return (rxp__match(s, TRUE, NULL, NULL, NULL));
 }
 
 static int

-rxp__match(s, first, j_succ, j_fail, sp_fail)
-       const char *s;
-       int first;
-       Rxp_t *j_succ;          /* jump here on successful alt match */
-       Rxp_t *j_fail;          /* jump here on failed match */
-       const char *sp_fail;            /* reset sp to here on failed match */
+rxp__match(const char *s,
+          int first,
+          Rxp_t *j_succ,               /* jump here on successful alt match */
+          Rxp_t *j_fail,               /* jump here on failed match */
+          const char *sp_fail)         /* reset sp to here on failed match */

 {
        static Rxp_t *rp;
        static const char *sp;
        int ch;
        Rxp_t *grp_end = NULL;
 {
        static Rxp_t *rp;
        static const char *sp;
        int ch;
        Rxp_t *grp_end = NULL;

-       int err;

 
        if (first) {
                rp = rxpbuf;
 
        if (first) {
                rp = rxpbuf;


@@ -266,14 +257,13 @@ rxp__match(s, first, j_succ, j_fail, sp_fail)
  * Reverse engineer the regular expression, by picking first of all alternates.
  */
 char *
  * Reverse engineer the regular expression, by picking first of all alternates.
  */
 char *

-rxp_expand()
+rxp_expand(void)

 {
        return (rxp__expand(TRUE));
 }
 
 static char *
 {
        return (rxp__expand(TRUE));
 }
 
 static char *

-rxp__expand(first)
-       int first;
+rxp__expand(int first)

 {
        static char buf[RXP_LINE_SZ/2];
        static Rxp_t *rp;
 {
        static char buf[RXP_LINE_SZ/2];
        static Rxp_t *rp;