-/* $NetBSD: main.c,v 1.6 1999/09/08 21:17:49 jsm Exp $ */
+/* $NetBSD: main.c,v 1.20 2009/08/12 06:19:17 dholland Exp $ */
/*
* Copyright (c) 1994
* 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.
*
#include <sys/cdefs.h>
#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1994\n\
- The Regents of the University of California. All rights reserved.\n");
+__COPYRIGHT("@(#) Copyright (c) 1994\
+ The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95";
#else
-__RCSID("$NetBSD: main.c,v 1.6 1999/09/08 21:17:49 jsm Exp $");
+__RCSID("$NetBSD: main.c,v 1.20 2009/08/12 06:19:17 dholland Exp $");
#endif
#endif /* not lint */
#include <curses.h>
#include <err.h>
#include <signal.h>
+#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
int interactive = 1; /* true if interactive */
int debug; /* true if debugging */
-int test; /* both moves come from 1: input, 2: computer */
-char *prog; /* name of program */
-FILE *debugfp; /* file for debug output */
-FILE *inputfp; /* file for debug input */
+static int test; /* both moves come from 1: input, 2: computer */
+static char *prog; /* name of program */
+static FILE *debugfp; /* file for debug output */
+static FILE *inputfp; /* file for debug input */
const char pdir[4] = "-\\|/";
-char fmtbuf[128];
struct spotstr board[BAREA]; /* info for board */
struct combostr frames[FAREA]; /* storage for all frames */
int movenum; /* current move number */
const char *plyr[2]; /* who's who */
-int main __P((int, char *[]));
+static int readinput(FILE *);
+static void misclog(const char *, ...) __printflike(1, 2);
+static void quit(void) __dead;
+static void quitsig(int) __dead;
int
-main(argc, argv)
- int argc;
- char **argv;
+main(int argc, char **argv)
{
char buf[128];
int color, curmove, i, ch;
"%3d %-6s"
};
+ /* Revoke setgid privileges */
+ setgid(getgid());
+
color = curmove = 0;
prog = strrchr(argv[0], '/');
if (inputfp == NULL && test == 0) {
for (;;) {
ask("black or white? ");
- getline(buf, sizeof(buf));
+ get_line(buf, sizeof(buf));
if (buf[0] == 'b' || buf[0] == 'B') {
color = BLACK;
break;
}
} else {
setbuf(stdout, 0);
- getline(buf, sizeof(buf));
+ get_line(buf, sizeof(buf));
if (strcmp(buf, "black") == 0)
color = BLACK;
else if (strcmp(buf, "white") == 0)
color = WHITE;
else {
- sprintf(fmtbuf,
- "Huh? Expected `black' or `white', got `%s'\n",
+ panic("Huh? Expected `black' or `white', got `%s'\n",
buf);
- panic(fmtbuf);
}
}
getinput:
if (interactive)
ask("move? ");
- if (!getline(buf, sizeof(buf))) {
+ if (!get_line(buf, sizeof(buf))) {
curmove = RESIGN;
break;
}
FILE *fp;
ask("save file name? ");
- (void)getline(buf, sizeof(buf));
+ (void)get_line(buf, sizeof(buf));
if ((fp = fopen(buf, "w")) == NULL) {
- log("cannot create save file");
+ misclog("cannot create save file");
goto getinput;
}
for (i = 0; i < movenum - 1; i++)
}
if (curmove != RESIGN &&
board[curmove].s_occ != EMPTY) {
- log("Illegal move");
+ misclog("Illegal move");
goto getinput;
}
}
break;
}
if (interactive) {
- sprintf(fmtbuf, fmt[color], movenum, stoc(curmove));
- log(fmtbuf);
+ misclog(fmt[color], movenum, stoc(curmove));
}
if ((i = makemove(color, curmove)) != MOVEOK)
break;
if (i != RESIGN) {
replay:
ask("replay? ");
- if (getline(buf, sizeof(buf)) &&
+ if (get_line(buf, sizeof(buf)) &&
(buf[0] == 'y' || buf[0] == 'Y'))
goto again;
if (strcmp(buf, "save") == 0) {
FILE *fp;
ask("save file name? ");
- (void)getline(buf, sizeof(buf));
+ (void)get_line(buf, sizeof(buf));
if ((fp = fopen(buf, "w")) == NULL) {
- log("cannot create save file");
+ misclog("cannot create save file");
goto replay;
}
for (i = 0; i < movenum - 1; i++)
return(0);
}
-int
-readinput(fp)
- FILE *fp;
+static int
+readinput(FILE *fp)
{
- char *cp;
int c;
+ char buf[128];
+ size_t pos;
- cp = fmtbuf;
- while ((c = getc(fp)) != EOF && c != '\n')
- *cp++ = c;
- *cp = '\0';
- return (ctos(fmtbuf));
+ pos = 0;
+ while ((c = getc(fp)) != EOF && c != '\n' && pos < sizeof(buf) - 1)
+ buf[pos++] = c;
+ buf[pos] = '\0';
+ return ctos(buf);
}
#ifdef DEBUG
* Handle strange situations.
*/
void
-whatsup(signum)
- int signum;
+whatsup(int signum)
{
- int i, pnum, n, s1, s2, d1, d2;
+ int i, n, s1, s2, d1, d2;
struct spotstr *sp;
FILE *fp;
char *str;
struct elist *ep;
struct combostr *cbp;
+ char input[128];
+ char tmp[128];
if (!interactive)
quit();
top:
ask("cmd? ");
- if (!getline(fmtbuf, sizeof(fmtbuf)))
+ if (!get_line(input, sizeof(input)))
quit();
- switch (*fmtbuf) {
+ switch (*input) {
case '\0':
goto top;
case 'q': /* conservative quit */
quit();
case 'd': /* set debug level */
- debug = fmtbuf[1] - '0';
- sprintf(fmtbuf, "Debug set to %d", debug);
- dlog(fmtbuf);
+ debug = input[1] - '0';
+ debuglog("Debug set to %d", debug);
sleep(1);
case 'c':
break;
}
goto top;
case 's': /* suggest a move */
- i = fmtbuf[1] == 'b' ? BLACK : WHITE;
- sprintf(fmtbuf, "suggest %c %s", i == BLACK ? 'B' : 'W',
+ i = input[1] == 'b' ? BLACK : WHITE;
+ debuglog("suggest %c %s", i == BLACK ? 'B' : 'W',
stoc(pickmove(i)));
- dlog(fmtbuf);
goto top;
case 'f': /* go forward a move */
board[movelog[movenum - 1]].s_occ = movenum & 1 ? BLACK : WHITE;
bdisp();
goto top;
case 'l': /* print move history */
- if (fmtbuf[1] == '\0') {
+ if (input[1] == '\0') {
for (i = 0; i < movenum - 1; i++)
- dlog(stoc(movelog[i]));
+ debuglog("%s", stoc(movelog[i]));
goto top;
}
- if ((fp = fopen(fmtbuf + 1, "w")) == NULL)
+ if ((fp = fopen(input + 1, "w")) == NULL)
goto top;
for (i = 0; i < movenum - 1; i++) {
fprintf(fp, "%s", stoc(movelog[i]));
fclose(fp);
goto top;
case 'o':
+ /* avoid use w/o initialization on invalid input */
+ d1 = s1 = 0;
+
n = 0;
- for (str = fmtbuf + 1; *str; str++)
+ for (str = input + 1; *str; str++)
if (*str == ',') {
for (d1 = 0; d1 < 4; d1++)
if (str[-1] == pdir[d1])
break;
str[-1] = '\0';
- sp = &board[s1 = ctos(fmtbuf + 1)];
+ sp = &board[s1 = ctos(input + 1)];
n = (sp->s_frame[d1] - frames) * FAREA;
*str++ = '\0';
break;
if (str[-1] == pdir[d2])
break;
n += sp->s_frame[d2] - frames;
- str = fmtbuf;
- sprintf(str, "overlap %s%c,", stoc(s1), pdir[d1]);
- str += strlen(str);
- sprintf(str, "%s%c = %x", stoc(s2), pdir[d2], overlap[n]);
- dlog(fmtbuf);
+ debuglog("overlap %s%c,%s%c = %x", stoc(s1), pdir[d1],
+ stoc(s2), pdir[d2], overlap[n]);
goto top;
case 'p':
- sp = &board[i = ctos(fmtbuf + 1)];
- sprintf(fmtbuf, "V %s %x/%d %d %x/%d %d %d %x", stoc(i),
+ sp = &board[i = ctos(input + 1)];
+ debuglog("V %s %x/%d %d %x/%d %d %d %x", stoc(i),
sp->s_combo[BLACK].s, sp->s_level[BLACK],
sp->s_nforce[BLACK],
sp->s_combo[WHITE].s, sp->s_level[WHITE],
- sp->s_nforce[WHITE], sp->s_wval, sp->s_flg);
- dlog(fmtbuf);
- sprintf(fmtbuf, "FB %s %x %x %x %x", stoc(i),
+ sp->s_nforce[WHITE], sp->s_wval, sp->s_flags);
+ debuglog("FB %s %x %x %x %x", stoc(i),
sp->s_fval[BLACK][0].s, sp->s_fval[BLACK][1].s,
sp->s_fval[BLACK][2].s, sp->s_fval[BLACK][3].s);
- dlog(fmtbuf);
- sprintf(fmtbuf, "FW %s %x %x %x %x", stoc(i),
+ debuglog("FW %s %x %x %x %x", stoc(i),
sp->s_fval[WHITE][0].s, sp->s_fval[WHITE][1].s,
sp->s_fval[WHITE][2].s, sp->s_fval[WHITE][3].s);
- dlog(fmtbuf);
goto top;
case 'e': /* e {b|w} [0-9] spot */
- str = fmtbuf + 1;
+ str = input + 1;
if (*str >= '0' && *str <= '9')
n = *str++ - '0';
else
if (cbp->c_nframes != n)
break;
}
- printcombo(cbp, fmtbuf);
- dlog(fmtbuf);
+ printcombo(cbp, tmp, sizeof(tmp));
+ debuglog("%s", tmp);
}
goto top;
default:
-syntax:
- dlog("Options are:");
- dlog("q - quit");
- dlog("c - continue");
- dlog("d# - set debug level to #");
- dlog("p# - print values at #");
+ debuglog("Options are:");
+ debuglog("q - quit");
+ debuglog("c - continue");
+ debuglog("d# - set debug level to #");
+ debuglog("p# - print values at #");
goto top;
}
}
* Display debug info.
*/
void
-dlog(str)
- const char *str;
+debuglog(const char *fmt, ...)
{
+ va_list ap;
+ char buf[128];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ va_end(ap);
if (debugfp)
- fprintf(debugfp, "%s\n", str);
+ fprintf(debugfp, "%s\n", buf);
if (interactive)
- dislog(str);
+ dislog(buf);
else
- fprintf(stderr, "%s\n", str);
+ fprintf(stderr, "%s\n", buf);
}
-void
-log(str)
- const char *str;
+static void
+misclog(const char *fmt, ...)
{
+ va_list ap;
+ char buf[128];
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ va_end(ap);
if (debugfp)
- fprintf(debugfp, "%s\n", str);
+ fprintf(debugfp, "%s\n", buf);
if (interactive)
- dislog(str);
+ dislog(buf);
else
- printf("%s\n", str);
+ printf("%s\n", buf);
}
-void
-quit()
+static void
+quit(void)
{
if (interactive) {
bdisp(); /* show final board */
exit(0);
}
-void
-quitsig(dummy)
- int dummy;
+static void
+quitsig(int dummy __unused)
{
quit();
}
* Die gracefully.
*/
void
-panic(str)
- const char *str;
+panic(const char *fmt, ...)
{
- fprintf(stderr, "%s: %s\n", prog, str);
+ va_list ap;
+
+ fprintf(stderr, "%s: ", prog);
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+ fprintf(stderr, "\n");
+
fputs("resign\n", stdout);
quit();
}
git.ckatri.com / bsdgames-darwin.git / blobdiff