games/atc WARNS6 [PATCH]
Peter Avalos
pavalos at theshell.com
Fri Aug 4 10:53:12 PDT 2006
On Fri, Aug 04, 2006 at 07:27:42PM +0200, Sascha Wildner wrote:
> Peter Avalos wrote:
> >http://www.theshell.com/~pavalos/wip/atc.diff
>
> * The functions in grammar.y should be static (including yyerror()).
>
> * If y1 is going to be renamed to y_1 for the check_line() parameter
> then it should also be x_1, x_2 and y_2, IMO. Too bad the Bessel
> functions occupy some useful names. :)
>
These are good inputs, thanks. The patch is updated.
> * If you feel like it, the atc.6 manpage needs to be converted to mdoc.
>
Do you have any references (other than man mdoc) that would get me started?
--Peter
Index: games/atc/Makefile
===================================================================
RCS file: /home/dcvs/src/games/atc/Makefile,v
retrieving revision 1.2
diff -u -r1.2 Makefile
--- games/atc/Makefile 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/Makefile 4 Aug 2006 17:34:13 -0000
@@ -12,6 +12,7 @@
FILES= Game_List Killer crossover default easy game_2
FILESDIR= ${SHAREDIR}/games/atc
HIDEGAME=hidegame
+WARNS?= 6
.PATH: ${.CURDIR}/games
Index: games/atc/extern.c
===================================================================
RCS file: /home/dcvs/src/games/atc/extern.c,v
retrieving revision 1.2
diff -u -r1.2 extern.c
--- games/atc/extern.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/extern.c 4 Aug 2006 17:34:13 -0000
@@ -53,7 +53,7 @@
int clck, safe_planes, start_time, test_mode;
-const char *file;
+const char *filename;
FILE *filein, *fileout;
Index: games/atc/extern.h
===================================================================
RCS file: /home/dcvs/src/games/atc/extern.h,v
retrieving revision 1.1
diff -u -r1.1 extern.h
--- games/atc/extern.h 17 Jun 2003 02:49:20 -0000 1.1
+++ games/atc/extern.h 4 Aug 2006 17:34:13 -0000
@@ -46,7 +46,7 @@
*/
extern char GAMES[];
-extern const char *file;
+extern const char *filename;
extern int clck, safe_planes, start_time, test_mode;
@@ -60,4 +60,39 @@
extern DISPLACEMENT displacement[MAXDIR];
-extern PLANE *findplane(), *newplane();
+extern int yyparse(void);
+
+/* graphics.c */
+extern void done_screen(void);
+extern void draw_all(void);
+extern void erase_all(void);
+extern int getAChar(void);
+extern void init_gr(void);
+extern void ioaddstr(int, const char *);
+extern void ioclrtobot(void);
+extern void ioclrtoeol(int);
+extern void ioerror(int, int, const char *);
+extern void iomove(int);
+extern void loser(const PLANE *, const char *);
+extern void planewin(void);
+extern void redraw(void);
+extern void setup_screen(const C_SCREEN *);
+extern void quit(void);
+/* input.c */
+extern int dir_no(char);
+extern int getcommand(void);
+/* list.c */
+extern void append(LIST *, PLANE *);
+extern void delete(LIST *, PLANE *);
+extern PLANE *newplane(void);
+/* log.c */
+extern int log_score(int);
+extern void open_score_file(void);
+/* update.c */
+extern int addplane(void);
+extern const char *command(const PLANE *);
+extern PLANE *findplane(int);
+extern char name(const PLANE *);
+extern char number(char);
+extern void update(void);
+
Index: games/atc/grammar.y
===================================================================
RCS file: /home/dcvs/src/games/atc/grammar.y,v
retrieving revision 1.2
diff -u -r1.2 grammar.y
--- games/atc/grammar.y 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/grammar.y 4 Aug 2006 17:41:50 -0000
@@ -63,6 +63,16 @@
%{
#include "include.h"
+extern int yylex(void);
+
+static void check_edge(int, int);
+static void check_point(int, int);
+static void check_linepoint(int, int);
+static void check_line(int, int, int, int);
+static int yyerror(const char *);
+static void check_edir(int, int, int);
+static int checkdefs(void);
+
int errors = 0;
int line = 1;
%}
@@ -244,7 +254,6 @@
sp->airport[sp->num_airports].y = $3;
sp->airport[sp->num_airports].dir = dir;
check_point($2, $3);
- check_adir($2, $3, dir);
sp->num_airports++;
}
;
@@ -280,14 +289,16 @@
;
%%
-check_edge(x, y)
+static void
+check_edge(int x, int y)
{
if (!(x == 0) && !(x == sp->width - 1) &&
!(y == 0) && !(y == sp->height - 1))
yyerror("edge value not on edge.");
}
-check_point(x, y)
+static void
+check_point(int x, int y)
{
if (x < 1 || x >= sp->width - 1)
yyerror("X value out of range.");
@@ -295,7 +306,8 @@
yyerror("Y value out of range.");
}
-check_linepoint(x, y)
+static void
+check_linepoint(int x, int y)
{
if (x < 0 || x >= sp->width)
yyerror("X value out of range.");
@@ -303,30 +315,32 @@
yyerror("Y value out of range.");
}
-check_line(x1, y1, x2, y2)
+static void
+check_line(int x_1, int y_1, int x_2, int y_2)
{
int d1, d2;
- check_linepoint(x1, y1);
- check_linepoint(x2, y2);
+ check_linepoint(x_1, y_1);
+ check_linepoint(x_2, y_2);
- d1 = ABS(x2 - x1);
- d2 = ABS(y2 - y1);
+ d1 = ABS(x_2 - x_1);
+ d2 = ABS(y_2 - y_1);
if (!(d1 == d2) && !(d1 == 0) && !(d2 == 0))
yyerror("Bad line endpoints.");
}
-yyerror(s)
- char *s;
+static int
+yyerror(const char *s)
{
- fprintf(stderr, "\"%s\": line %d: %s\n", file, line, s);
+ fprintf(stderr, "\"%s\": line %d: %s\n", filename, line, s);
errors++;
return (errors);
}
-check_edir(x, y, dir)
+static void
+check_edir(int x, int y, int dir)
{
int bad = 0;
@@ -357,11 +371,8 @@
yyerror("Bad direction for entrance at exit.");
}
-check_adir(x, y, dir)
-{
-}
-
-checkdefs()
+static int
+checkdefs(void)
{
int err = 0;
Index: games/atc/graphics.c
===================================================================
RCS file: /home/dcvs/src/games/atc/graphics.c,v
retrieving revision 1.2
diff -u -r1.2 graphics.c
--- games/atc/graphics.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/graphics.c 4 Aug 2006 17:34:13 -0000
@@ -47,7 +47,6 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <string.h>
#include "include.h"
#ifdef SYSV
#include <errno.h>
@@ -63,7 +62,11 @@
WINDOW *radar, *cleanradar, *credit, *input, *planes;
-getAChar()
+static void draw_line(WINDOW *, int, int, int, int, const char *);
+
+
+int
+getAChar(void)
{
#ifdef BSD
return (getchar());
@@ -76,7 +79,8 @@
#endif
}
-erase_all()
+void
+erase_all(void)
{
PLANE *pp;
@@ -90,7 +94,8 @@
}
}
-draw_all()
+void
+draw_all(void)
{
PLANE *pp;
@@ -109,7 +114,8 @@
fflush(stdout);
}
-init_gr()
+void
+init_gr(void)
{
static char buffer[BUFSIZ];
@@ -121,8 +127,8 @@
planes = newwin(LINES - INPUT_LINES, PLANE_COLS, 0, COLS - PLANE_COLS);
}
-setup_screen(scp)
- const C_SCREEN *scp;
+void
+setup_screen(const C_SCREEN *scp)
{
int i, j;
char str[3];
@@ -213,10 +219,8 @@
fflush(stdout);
}
-draw_line(w, x, y, lx, ly, s)
- WINDOW *w;
- int x, y, lx, ly;
- const char *s;
+static void
+draw_line(WINDOW *w, int x, int y, int lx, int ly, const char *s)
{
int dx, dy;
@@ -232,7 +236,8 @@
}
}
-ioclrtoeol(pos)
+void
+ioclrtoeol(int pos)
{
wmove(input, 0, pos);
wclrtoeol(input);
@@ -240,15 +245,16 @@
fflush(stdout);
}
-iomove(pos)
+void
+iomove(int pos)
{
wmove(input, 0, pos);
wrefresh(input);
fflush(stdout);
}
-ioaddstr(pos, str)
- const char *str;
+void
+ioaddstr(int pos, const char *str)
{
wmove(input, 0, pos);
waddstr(input, str);
@@ -256,15 +262,16 @@
fflush(stdout);
}
-ioclrtobot()
+void
+ioclrtobot(void)
{
wclrtobot(input);
wrefresh(input);
fflush(stdout);
}
-ioerror(pos, len, str)
- const char *str;
+void
+ioerror(int pos, int len, const char *str)
{
int i;
@@ -277,7 +284,8 @@
fflush(stdout);
}
-quit()
+void
+quit(void)
{
int c, y, x;
#ifdef BSD
@@ -317,10 +325,10 @@
return;
}
-planewin()
+void
+planewin(void)
{
PLANE *pp;
- char *command();
int warning = 0;
#ifdef BSD
@@ -360,9 +368,8 @@
fflush(stdout);
}
-loser(p, s)
- const PLANE *p;
- const char *s;
+void
+loser(const PLANE *p, const char *s)
{
int c;
#ifdef BSD
@@ -394,7 +401,8 @@
exit(0);
}
-redraw()
+void
+redraw(void)
{
clear();
refresh();
@@ -412,8 +420,8 @@
fflush(stdout);
}
-
-done_screen()
+void
+done_screen(void)
{
clear();
refresh();
Index: games/atc/include.h
===================================================================
RCS file: /home/dcvs/src/games/atc/include.h,v
retrieving revision 1.1
diff -u -r1.1 include.h
--- games/atc/include.h 17 Jun 2003 02:49:20 -0000 1.1
+++ games/atc/include.h 4 Aug 2006 17:34:13 -0000
@@ -56,10 +56,11 @@
#include <sys/file.h>
#endif
-#ifdef SYSV
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
+#include <stdlib.h>
+#ifdef SYSV
#include <sys/utsname.h>
#endif
Index: games/atc/input.c
===================================================================
RCS file: /home/dcvs/src/games/atc/input.c,v
retrieving revision 1.2
diff -u -r1.2 input.c
--- games/atc/input.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/input.c 4 Aug 2006 17:34:13 -0000
@@ -47,8 +47,8 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <stdlib.h>
-#include <string.h>
+#include <sys/wait.h>
+
#include "include.h"
#include "pathnames.h"
@@ -69,7 +69,7 @@
int token;
int to_state;
const char *str;
- const char *(*func)();
+ const char *(*func)(int);
} RULE;
typedef struct {
@@ -95,10 +95,32 @@
#define NUMSTATES NUMELS(st)
-const char *setplane(), *circle(), *left(), *right(), *Left(), *Right(),
- *beacon(), *ex_it(), *climb(), *descend(), *setalt(), *setrelalt(),
- *benum(), *to_dir(), *rel_dir(), *delayb(), *mark(), *unmark(),
- *airport(), *turn(), *ignore();
+static int pop(void);
+static void rezero(void);
+static void push(int, int);
+static void noise(void);
+static int gettoken(void);
+static const char *setplane(int);
+static const char *turn(int);
+static const char *circle(int);
+static const char *left(int);
+static const char *right(int);
+static const char *Left(int);
+static const char *Right(int);
+static const char *delayb(int);
+static const char *beacon(int);
+static const char *ex_it(int);
+static const char *airport(int);
+static const char *climb(int);
+static const char *descend(int);
+static const char *setalt(int);
+static const char *setrelalt(int);
+static const char *benum(int);
+static const char *to_dir(int);
+static const char *rel_dir(int);
+static const char *mark(int);
+static const char *unmark(int);
+static const char *ignore(int);
RULE state0[] = { { ALPHATOKEN, 1, "%c:", setplane},
{ RETTOKEN, -1, "", NULL },
@@ -192,7 +214,9 @@
int tval;
int dest_type, dest_no, dir;
-pop()
+
+static int
+pop(void)
{
if (level == 0)
return (-1);
@@ -206,7 +230,8 @@
return (0);
}
-rezero()
+static void
+rezero(void)
{
iomove(0);
@@ -218,7 +243,8 @@
strcpy(T_STR, "");
}
-push(ruleno, ch)
+static void
+push(int ruleno, int ch)
{
int newstate, newpos;
@@ -239,10 +265,11 @@
strcpy(T_STR, "");
}
-getcommand()
+int
+getcommand(void)
{
int c, i, done;
- const char *s, *(*func)();
+ const char *s, *(*func)(int);
PLANE *pp;
rezero();
@@ -297,13 +324,15 @@
return (0);
}
-noise()
+static void
+noise(void)
{
putchar('\07');
fflush(stdout);
}
-gettoken()
+static int
+gettoken(void)
{
while ((tval = getAChar()) == REDRAWTOKEN || tval == SHELLTOKEN)
{
@@ -368,8 +397,8 @@
return (tval);
}
-const char *
-setplane(c)
+static const char *
+setplane(int c)
{
PLANE *pp;
@@ -381,16 +410,16 @@
return (NULL);
}
-const char *
-turn(c)
+static const char *
+turn(__unused int c)
{
if (p.altitude == 0)
return ("Planes at airports may not change direction");
return (NULL);
}
-const char *
-circle(c)
+static const char *
+circle(__unused int c)
{
if (p.altitude == 0)
return ("Planes cannot circle on the ground");
@@ -398,8 +427,8 @@
return (NULL);
}
-const char *
-left(c)
+static const char *
+left(__unused int c)
{
dir = D_LEFT;
p.new_dir = p.dir - 1;
@@ -408,8 +437,8 @@
return (NULL);
}
-const char *
-right(c)
+static const char *
+right(__unused int c)
{
dir = D_RIGHT;
p.new_dir = p.dir + 1;
@@ -418,8 +447,8 @@
return (NULL);
}
-const char *
-Left(c)
+static const char *
+Left(__unused int c)
{
p.new_dir = p.dir - 2;
if (p.new_dir < 0)
@@ -427,8 +456,8 @@
return (NULL);
}
-const char *
-Right(c)
+static const char *
+Right(__unused int c)
{
p.new_dir = p.dir + 2;
if (p.new_dir >= MAXDIR)
@@ -436,8 +465,8 @@
return (NULL);
}
-const char *
-delayb(c)
+static const char *
+delayb(int c)
{
int xdiff, ydiff;
@@ -481,43 +510,43 @@
return (NULL);
}
-const char *
-beacon(c)
+static const char *
+beacon(__unused int c)
{
dest_type = T_BEACON;
return (NULL);
}
-const char *
-ex_it(c)
+static const char *
+ex_it(__unused int c)
{
dest_type = T_EXIT;
return (NULL);
}
-const char *
-airport(c)
+static const char *
+airport(__unused int c)
{
dest_type = T_AIRPORT;
return (NULL);
}
-const char *
-climb(c)
+static const char *
+climb(__unused int c)
{
dir = D_UP;
return (NULL);
}
-const char *
-descend(c)
+static const char *
+descend(__unused int c)
{
dir = D_DOWN;
return (NULL);
}
-const char *
-setalt(c)
+static const char *
+setalt(int c)
{
if ((p.altitude == c - '0') && (p.new_altitude == p.altitude))
return ("Already at that altitude");
@@ -525,8 +554,8 @@
return (NULL);
}
-const char *
-setrelalt(c)
+static const char *
+setrelalt(int c)
{
if (c == 0)
return ("altitude not changed");
@@ -549,8 +578,8 @@
return (NULL);
}
-const char *
-benum(c)
+static const char *
+benum(int c)
{
dest_no = c -= '0';
@@ -580,15 +609,15 @@
return (NULL);
}
-const char *
-to_dir(c)
+static const char *
+to_dir(int c)
{
p.new_dir = dir_no(c);
return (NULL);
}
-const char *
-rel_dir(c)
+static const char *
+rel_dir(int c)
{
int angle;
@@ -611,8 +640,8 @@
return (NULL);
}
-const char *
-mark(c)
+static const char *
+mark(__unused int c)
{
if (p.altitude == 0)
return ("Cannot mark planes on the ground");
@@ -622,8 +651,8 @@
return (NULL);
}
-const char *
-unmark(c)
+static const char *
+unmark(__unused int c)
{
if (p.altitude == 0)
return ("Cannot unmark planes on the ground");
@@ -633,8 +662,8 @@
return (NULL);
}
-const char *
-ignore(c)
+static const char *
+ignore(__unused int c)
{
if (p.altitude == 0)
return ("Cannot ignore planes on the ground");
@@ -644,23 +673,23 @@
return (NULL);
}
-dir_no(ch)
- char ch;
+int
+dir_no(char ch)
{
- int dir;
+ int dirno = dir;
switch (ch) {
- case 'w': dir = 0; break;
- case 'e': dir = 1; break;
- case 'd': dir = 2; break;
- case 'c': dir = 3; break;
- case 'x': dir = 4; break;
- case 'z': dir = 5; break;
- case 'a': dir = 6; break;
- case 'q': dir = 7; break;
+ case 'w': dirno = 0; break;
+ case 'e': dirno = 1; break;
+ case 'd': dirno = 2; break;
+ case 'c': dirno = 3; break;
+ case 'x': dirno = 4; break;
+ case 'z': dirno = 5; break;
+ case 'a': dirno = 6; break;
+ case 'q': dirno = 7; break;
default:
fprintf(stderr, "bad character in dir_no\n");
break;
}
- return (dir);
+ return (dirno);
}
Index: games/atc/lex.l
===================================================================
RCS file: /home/dcvs/src/games/atc/lex.l,v
retrieving revision 1.2
diff -u -r1.2 lex.l
--- games/atc/lex.l 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/lex.l 4 Aug 2006 17:34:13 -0000
@@ -46,8 +46,12 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include "y.tab.h"
+#include <unistd.h>
+#include "y.tab.h"
+
+#define YY_NO_UNPUT
extern int line;
+extern int yylex(void);
%}
%%
Index: games/atc/list.c
===================================================================
RCS file: /home/dcvs/src/games/atc/list.c,v
retrieving revision 1.2
diff -u -r1.2 list.c
--- games/atc/list.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/list.c 4 Aug 2006 17:34:13 -0000
@@ -47,18 +47,17 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <stdlib.h>
#include "include.h"
+
PLANE *
-newplane()
+newplane(void)
{
return ((PLANE *) calloc(1, sizeof (PLANE)));
}
-append(l, p)
- LIST *l;
- PLANE *p;
+void
+append(LIST *l, PLANE *p)
{
PLANE *q = NULL, *r = NULL;
@@ -94,9 +93,8 @@
}
}
-delete(l, p)
- LIST *l;
- PLANE *p;
+void
+delete(LIST *l, PLANE *p)
{
if (l->head == NULL)
loser(p, "deleted a non-existant plane! Get help!");
Index: games/atc/log.c
===================================================================
RCS file: /home/dcvs/src/games/atc/log.c,v
retrieving revision 1.2
diff -u -r1.2 log.c
--- games/atc/log.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/log.c 4 Aug 2006 17:34:13 -0000
@@ -47,7 +47,9 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <string.h>
+#include <sys/stat.h>
+#include <err.h>
+
#include "include.h"
#include "pathnames.h"
@@ -57,9 +59,12 @@
static FILE *score_fp;
-int
-compar(va, vb)
- const void *va, *vb;
+static int compar(const void *, const void *);
+static const char *timestr(int);
+
+
+static int
+compar(const void *va, const void *vb)
{
const SCORE *a, *b;
@@ -82,8 +87,8 @@
#define MIN(t) (((t) % SECAHOUR) / SECAMIN)
#define SEC(t) ((t) % SECAMIN)
-const char *
-timestr(t)
+static const char *
+timestr(int t)
{
static char s[80];
@@ -102,7 +107,7 @@
}
void
-open_score_file()
+open_score_file(void)
{
mode_t old_mask;
int score_fd;
@@ -135,8 +140,7 @@
}
int
-log_score(list_em)
- int list_em;
+log_score(int list_em)
{
int i, num_scores = 0, good, changed = 0, found = 0;
struct passwd *pw;
@@ -191,9 +195,9 @@
strcpy(thisscore.host, name.nodename);
#endif
- cp = rindex(file, '/');
+ cp = rindex(filename, '/');
if (cp == NULL) {
- fprintf(stderr, "log: where's the '/' in %s?\n", file);
+ fprintf(stderr, "log: where's the '/' in %s?\n", filename);
return (-1);
}
cp++;
Index: games/atc/main.c
===================================================================
RCS file: /home/dcvs/src/games/atc/main.c,v
retrieving revision 1.2
diff -u -r1.2 main.c
--- games/atc/main.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/main.c 4 Aug 2006 17:34:13 -0000
@@ -48,24 +48,27 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <string.h>
#include "include.h"
#include "pathnames.h"
-main(ac, av)
- int ac;
- char *av[];
+extern FILE *yyin;
+static int read_file(const char *);
+static const char *default_game(void);
+static const char *okay_game(const char *);
+static int list_games(void);
+
+
+int
+main(__unused int ac, char **av)
{
int seed = 0;
int f_usage = 0, f_list = 0, f_showscore = 0;
int f_printpath = 0;
const char *file = NULL;
- char *name, *ptr;
+ char *p_name, *ptr;
#ifdef BSD
struct itimerval itv;
#endif
- extern const char *default_game(), *okay_game();
- extern void log_score(), quit(), update();
/* Open the score file then revoke setgid privileges */
open_score_file();
@@ -73,7 +76,7 @@
start_time = time(0);
- name = *av++;
+ p_name = *av++;
while (*av) {
#ifndef SAVEDASH
if (**av == '-')
@@ -122,7 +125,7 @@
if (f_usage)
fprintf(stderr,
"Usage: %s -[u?lstp] [-[gf] game_name] [-r random seed]\n",
- name);
+ p_name);
if (f_showscore)
log_score(1);
if (f_list)
@@ -151,14 +154,14 @@
addplane();
- signal(SIGINT, quit);
- signal(SIGQUIT, quit);
+ signal(SIGINT, (sig_t)quit);
+ signal(SIGQUIT, (sig_t)quit);
#ifdef BSD
signal(SIGTSTP, SIG_IGN);
signal(SIGSTOP, SIG_IGN);
#endif
- signal(SIGHUP, log_score);
- signal(SIGTERM, log_score);
+ signal(SIGHUP, (sig_t)log_score);
+ signal(SIGTERM, (sig_t)log_score);
#ifdef BSD
ioctl(fileno(stdin), TIOCGETP, &tty_start);
@@ -178,7 +181,7 @@
ioctl(fileno(stdin), TCSETAW, &tty_new);
#endif
- signal(SIGALRM, update);
+ signal(SIGALRM, (sig_t)update);
#ifdef BSD
itv.it_value.tv_sec = 0;
@@ -220,13 +223,12 @@
}
}
-read_file(s)
- const char *s;
+static int
+read_file(const char *s)
{
- extern FILE *yyin;
int retval;
- file = s;
+ filename = s;
yyin = fopen(s, "r");
if (yyin == NULL) {
perror(s);
@@ -241,8 +243,8 @@
return (0);
}
-const char *
-default_game()
+static const char *
+default_game(void)
{
FILE *fp;
static char file[256];
@@ -266,9 +268,8 @@
return (file);
}
-const char *
-okay_game(s)
- char *s;
+static const char *
+okay_game(const char *s)
{
FILE *fp;
static char file[256];
@@ -302,7 +303,8 @@
return (ret);
}
-list_games()
+static int
+list_games(void)
{
FILE *fp;
char line[256], games[256];
Index: games/atc/update.c
===================================================================
RCS file: /home/dcvs/src/games/atc/update.c,v
retrieving revision 1.2
diff -u -r1.2 update.c
--- games/atc/update.c 17 Jun 2003 04:25:22 -0000 1.2
+++ games/atc/update.c 4 Aug 2006 17:34:13 -0000
@@ -47,15 +47,18 @@
* For more info on this and all of my stuff, mail edjames at xxxxxxxxxxxxx
*/
-#include <string.h>
#include "include.h"
-char name();
+static int next_plane(void);
+static int too_close(const PLANE *, const PLANE *, int);
+static int dir_deg(int);
-update()
+
+void
+update(void)
{
int i, dir_diff, mask, unclean;
- PLANE *pp, *p1, *p2, *p;
+ PLANE *pp, *p1, *p2;
#ifdef BSD
mask = sigblock(sigmask(SIGINT));
@@ -223,11 +226,9 @@
}
const char *
-command(pp)
- const PLANE *pp;
+command(const PLANE *pp)
{
static char buf[50], *bp, *comm_start;
- char *index();
buf[0] = '\0';
bp = buf;
@@ -256,8 +257,7 @@
/* char */
char
-name(p)
- const PLANE *p;
+name(const PLANE *p)
{
if (p->plane_type == 0)
return ('A' + p->plane_no);
@@ -265,7 +265,8 @@
return ('a' + p->plane_no);
}
-number(l)
+char
+number(char l)
{
if (l < 'a' && l > 'z' && l < 'A' && l > 'Z')
return (-1);
@@ -275,7 +276,8 @@
return (l - 'A');
}
-next_plane()
+static int
+next_plane(void)
{
static int last_plane = -1;
PLANE *pp;
@@ -303,10 +305,11 @@
return (last_plane);
}
-addplane()
+int
+addplane(void)
{
PLANE p, *pp, *p1;
- int i, num_starts, close, rnd, rnd2, pnum;
+ int i, num_starts, is_close, rnd, rnd2, pnum;
bzero(&p, sizeof (p));
@@ -336,13 +339,13 @@
p.ypos = sp->exit[rnd2].y;
p.new_dir = p.dir = sp->exit[rnd2].dir;
p.altitude = p.new_altitude = 7;
- close = 0;
+ is_close = 0;
for (p1 = air.head; p1 != NULL; p1 = p1->next)
if (too_close(p1, &p, 4)) {
- close++;
+ is_close++;
break;
}
- if (close)
+ if (is_close)
continue;
} else {
p.orig_type = T_AIRPORT;
@@ -373,9 +376,8 @@
return (pp->dest_type);
}
-PLANE *
-findplane(n)
- int n;
+PLANE *
+findplane(int n)
{
PLANE *pp;
@@ -388,10 +390,8 @@
return (NULL);
}
-int
-too_close(p1, p2, dist)
- const PLANE *p1, *p2;
- int dist;
+static int
+too_close(const PLANE *p1, const PLANE *p2, int dist)
{
if (ABS(p1->altitude - p2->altitude) <= dist &&
ABS(p1->xpos - p2->xpos) <= dist && ABS(p1->ypos - p2->ypos) <= dist)
@@ -400,7 +400,8 @@
return (0);
}
-dir_deg(d)
+static int
+dir_deg(int d)
{
switch (d) {
case 0: return (0);
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