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[src/trunk]: src/games/hunt Remove SHORTLEN and LONGLEN defines; use sizeof()...
details: https://anonhg.NetBSD.org/src/rev/579f2d080c2b
branches: trunk
changeset: 795026:579f2d080c2b
user: dholland <dholland%NetBSD.org@localhost>
date: Sun Mar 30 05:30:28 2014 +0000
description:
Remove SHORTLEN and LONGLEN defines; use sizeof() properly instead.
Fix two semi-compensating size bugs in wire transmission affecting
64-bit machines.
diffstat:
games/hunt/hunt/connect.c | 20 +++++++++++---------
games/hunt/hunt/hunt.c | 30 +++++++++++++++---------------
games/hunt/hunt/hunt_private.h | 4 ++--
games/hunt/hunt/playit.c | 12 ++++++++----
games/hunt/huntd/answer.c | 34 +++++++++++++++++-----------------
games/hunt/huntd/hunt.h | 4 ++--
games/hunt/include/hunt_common.h | 6 ++----
7 files changed, 57 insertions(+), 53 deletions(-)
diffs (truncated from 360 to 300 lines):
diff -r 473370f5d5b5 -r 579f2d080c2b games/hunt/hunt/connect.c
--- a/games/hunt/hunt/connect.c Sun Mar 30 05:14:47 2014 +0000
+++ b/games/hunt/hunt/connect.c Sun Mar 30 05:30:28 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: connect.c,v 1.10 2014/03/30 05:14:47 dholland Exp $ */
+/* $NetBSD: connect.c,v 1.11 2014/03/30 05:30:28 dholland Exp $ */
/*
* Copyright (c) 1983-2003, Regents of the University of California.
* All rights reserved.
@@ -32,31 +32,33 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: connect.c,v 1.10 2014/03/30 05:14:47 dholland Exp $");
+__RCSID("$NetBSD: connect.c,v 1.11 2014/03/30 05:30:28 dholland Exp $");
#endif /* not lint */
#include <string.h>
#include <signal.h>
#include <unistd.h>
+#include <assert.h>
#include "hunt_common.h"
#include "hunt_private.h"
void
-do_connect(char *name, char team, long enter_status)
+do_connect(const char *name, size_t namelen, char team, int enter_status)
{
static int32_t uid;
- static int32_t mode;
+ int32_t mode;
+ int32_t wire_status = htonl(enter_status);
if (uid == 0)
uid = htonl(getuid());
- (void) write(huntsocket, &uid, LONGLEN);
- (void) write(huntsocket, name, NAMELEN);
+ (void) write(huntsocket, &uid, sizeof(uid));
+ assert(namelen == WIRE_NAMELEN);
+ (void) write(huntsocket, name, namelen);
(void) write(huntsocket, &team, 1);
- enter_status = htonl(enter_status);
- (void) write(huntsocket, &enter_status, LONGLEN);
+ (void) write(huntsocket, &wire_status, sizeof(wire_status));
(void) strcpy(Buf, ttyname(fileno(stderr)));
- (void) write(huntsocket, Buf, NAMELEN);
+ (void) write(huntsocket, Buf, WIRE_NAMELEN);
#ifdef INTERNET
if (Send_message != NULL)
mode = C_MESSAGE;
diff -r 473370f5d5b5 -r 579f2d080c2b games/hunt/hunt/hunt.c
--- a/games/hunt/hunt/hunt.c Sun Mar 30 05:14:47 2014 +0000
+++ b/games/hunt/hunt/hunt.c Sun Mar 30 05:30:28 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: hunt.c,v 1.54 2014/03/30 05:14:47 dholland Exp $ */
+/* $NetBSD: hunt.c,v 1.55 2014/03/30 05:30:28 dholland Exp $ */
/*
* Copyright (c) 1983-2003, Regents of the University of California.
* All rights reserved.
@@ -32,7 +32,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: hunt.c,v 1.54 2014/03/30 05:14:47 dholland Exp $");
+__RCSID("$NetBSD: hunt.c,v 1.55 2014/03/30 05:30:28 dholland Exp $");
#endif /* not lint */
#include <sys/param.h>
@@ -94,7 +94,7 @@
char map_key[256]; /* what to map keys to */
bool no_beep;
-static char name[NAMELEN];
+static char name[WIRE_NAMELEN];
static char team = ' ';
static int in_visual;
@@ -102,7 +102,7 @@
extern int cur_row, cur_col;
static void dump_scores(const struct sockaddr_storage *, socklen_t);
-static long env_init(long);
+static int env_init(int);
static void fill_in_blanks(void);
static void fincurs(void);
static void rmnl(char *);
@@ -138,16 +138,16 @@
{
char *term;
int c;
- long enter_status;
+ int enter_status;
bool Query_driver = false;
bool Show_scores = false;
- enter_status = env_init((long) Q_CLOAK);
+ enter_status = env_init(Q_CLOAK);
while ((c = getopt(ac, av, "Sbcfh:l:mn:op:qst:w:")) != -1) {
switch (c) {
case 'l': /* rsh compatibility */
case 'n':
- (void) strncpy(name, optarg, NAMELEN);
+ (void) strncpy(name, optarg, sizeof(name));
break;
case 't':
team = *optarg;
@@ -268,7 +268,7 @@
#endif
#ifdef OTTO
if (Otto_mode)
- (void) strncpy(name, "otto", NAMELEN);
+ (void) strncpy(name, "otto", sizeof(name));
else
#endif
fill_in_blanks();
@@ -350,7 +350,7 @@
}
#endif
- do_connect(name, team, enter_status);
+ do_connect(name, sizeof(name), team, enter_status);
#ifdef INTERNET
if (Send_message != NULL) {
do_message();
@@ -658,8 +658,8 @@
va_end(ap);
}
-static long
-env_init(long enter_status)
+static int
+env_init(int enter_status)
{
int i;
char *envp, *envname, *s;
@@ -690,11 +690,11 @@
envname = s + 1;
if ((s = strchr(envp, ',')) == NULL) {
*envp = '\0';
- strncpy(name, envname, NAMELEN);
+ strncpy(name, envname, sizeof(name));
break;
}
*s = '\0';
- strncpy(name, envname, NAMELEN);
+ strncpy(name, envname, sizeof(name));
envp = s + 1;
}
#ifdef INTERNET
@@ -759,7 +759,7 @@
}
if (*envp != '\0') {
if (envname == NULL)
- strncpy(name, envp, NAMELEN);
+ strncpy(name, envp, sizeof(name));
else
printf("unknown option %s\n", envp);
}
@@ -782,7 +782,7 @@
putchar('\n');
} else {
printf("Enter your code name: ");
- if (fgets(name, NAMELEN, stdin) == NULL)
+ if (fgets(name, sizeof(name), stdin) == NULL)
exit(1);
}
rmnl(name);
diff -r 473370f5d5b5 -r 579f2d080c2b games/hunt/hunt/hunt_private.h
--- a/games/hunt/hunt/hunt_private.h Sun Mar 30 05:14:47 2014 +0000
+++ b/games/hunt/hunt/hunt_private.h Sun Mar 30 05:30:28 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: hunt_private.h,v 1.8 2014/03/30 05:14:47 dholland Exp $ */
+/* $NetBSD: hunt_private.h,v 1.9 2014/03/30 05:30:28 dholland Exp $ */
/*
* Copyright (c) 1983-2003, Regents of the University of California.
@@ -73,7 +73,7 @@
*/
/* in connect.c */
-void do_connect(char *, char, long);
+void do_connect(const char *, size_t, char, int32_t);
/* in hunt.c */
__dead void bad_con(void);
diff -r 473370f5d5b5 -r 579f2d080c2b games/hunt/hunt/playit.c
--- a/games/hunt/hunt/playit.c Sun Mar 30 05:14:47 2014 +0000
+++ b/games/hunt/hunt/playit.c Sun Mar 30 05:30:28 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: playit.c,v 1.20 2014/03/30 05:14:47 dholland Exp $ */
+/* $NetBSD: playit.c,v 1.21 2014/03/30 05:30:28 dholland Exp $ */
/*
* Copyright (c) 1983-2003, Regents of the University of California.
* All rights reserved.
@@ -32,7 +32,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: playit.c,v 1.20 2014/03/30 05:14:47 dholland Exp $");
+__RCSID("$NetBSD: playit.c,v 1.21 2014/03/30 05:30:28 dholland Exp $");
#endif /* not lint */
#include <sys/file.h>
@@ -93,8 +93,10 @@
int ch;
int y, x;
uint32_t version;
+ ssize_t result;
- if (read(huntsocket, &version, LONGLEN) != LONGLEN) {
+ result = read(huntsocket, &version, sizeof(version));
+ if (result != (ssize_t)sizeof(version)) {
bad_con();
/* NOTREACHED */
}
@@ -435,8 +437,10 @@
do_message(void)
{
uint32_t version;
+ ssize_t result;
- if (read(huntsocket, &version, LONGLEN) != LONGLEN) {
+ result = read(huntsocket, &version, sizeof(version));
+ if (result != (ssize_t)sizeof(version)) {
bad_con();
/* NOTREACHED */
}
diff -r 473370f5d5b5 -r 579f2d080c2b games/hunt/huntd/answer.c
--- a/games/hunt/huntd/answer.c Sun Mar 30 05:14:47 2014 +0000
+++ b/games/hunt/huntd/answer.c Sun Mar 30 05:30:28 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: answer.c,v 1.21 2014/03/30 01:44:37 dholland Exp $ */
+/* $NetBSD: answer.c,v 1.22 2014/03/30 05:30:28 dholland Exp $ */
/*
* Copyright (c) 1983-2003, Regents of the University of California.
* All rights reserved.
@@ -32,7 +32,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: answer.c,v 1.21 2014/03/30 01:44:37 dholland Exp $");
+__RCSID("$NetBSD: answer.c,v 1.22 2014/03/30 05:30:28 dholland Exp $");
#endif /* not lint */
#include <sys/types.h>
@@ -48,9 +48,9 @@
#define SCOREDECAY 15
-static char Ttyname[NAMELEN];
+static char Ttyname[WIRE_NAMELEN];
-static IDENT *get_ident(uint32_t, uint32_t, char *, char);
+static IDENT *get_ident(uint32_t, uint32_t, const char *, char);
static void stmonitor(PLAYER *);
static void stplayer(PLAYER *, int);
@@ -59,10 +59,10 @@
{
PLAYER *pp;
int newsock;
- static u_long mode;
- static char name[NAMELEN];
+ static uint32_t mode;
+ static char name[WIRE_NAMELEN];
static char team;
- static int enter_status;
+ static int32_t enter_status;
static socklen_t socklen;
static uint32_t machine;
static uint32_t uid;
@@ -109,15 +109,15 @@
}
version = htonl((uint32_t) HUNT_VERSION);
- (void) write(newsock, &version, LONGLEN);
- (void) read(newsock, &uid, LONGLEN);
+ (void) write(newsock, &version, sizeof(version));
+ (void) read(newsock, &uid, sizeof(uid));
uid = ntohl(uid);
- (void) read(newsock, name, NAMELEN);
+ (void) read(newsock, name, sizeof(name));
(void) read(newsock, &team, 1);
- (void) read(newsock, &enter_status, LONGLEN);
- enter_status = ntohl((unsigned long) enter_status);
- (void) read(newsock, Ttyname, NAMELEN);
- (void) read(newsock, &mode, sizeof mode);
+ (void) read(newsock, &enter_status, sizeof(enter_status));
+ enter_status = ntohl(enter_status);
+ (void) read(newsock, Ttyname, sizeof(Ttyname));
+ (void) read(newsock, &mode, sizeof(mode));
mode = ntohl(mode);
/*
@@ -398,7 +398,7 @@
* Get the score structure of a player
*/
static IDENT *
-get_ident(uint32_t machine, uint32_t uid, char *name, char team)
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