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[src/trunk]: src/usr.bin/rlogin (foo *) 0 -> NULL
details: https://anonhg.NetBSD.org/src/rev/403dd200813f
branches: trunk
changeset: 932262:403dd200813f
user: christos <christos%NetBSD.org@localhost>
date: Sun May 03 16:11:06 2020 +0000
description:
(foo *) 0 -> NULL
int -> ssize_t/size_t
diffstat:
usr.bin/rlogin/rlogin.c | 52 +++++++++++++++++++++++++-----------------------
1 files changed, 27 insertions(+), 25 deletions(-)
diffs (189 lines):
diff -r fbd61e301521 -r 403dd200813f usr.bin/rlogin/rlogin.c
--- a/usr.bin/rlogin/rlogin.c Sun May 03 16:10:26 2020 +0000
+++ b/usr.bin/rlogin/rlogin.c Sun May 03 16:11:06 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rlogin.c,v 1.45 2019/10/04 09:02:00 mrg Exp $ */
+/* $NetBSD: rlogin.c,v 1.46 2020/05/03 16:11:06 christos Exp $ */
/*
* Copyright (c) 1983, 1990, 1993
@@ -39,7 +39,7 @@
#if 0
static char sccsid[] = "@(#)rlogin.c 8.4 (Berkeley) 4/29/95";
#else
-__RCSID("$NetBSD: rlogin.c,v 1.45 2019/10/04 09:02:00 mrg Exp $");
+__RCSID("$NetBSD: rlogin.c,v 1.46 2020/05/03 16:11:06 christos Exp $");
#endif
#endif /* not lint */
@@ -245,7 +245,7 @@
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
sa.sa_handler = lostpeer;
- (void)sigaction(SIGPIPE, &sa, (struct sigaction *)0);
+ (void)sigaction(SIGPIPE, &sa, NULL);
/* will use SIGUSR1 for window size hack, so hold it off */
sigemptyset(&imask);
sigaddset(&imask, SIGURG);
@@ -258,9 +258,9 @@
* a signal by the time that they are unblocked below.
*/
sa.sa_handler = copytochild;
- (void)sigaction(SIGURG, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGURG, &sa, NULL);
sa.sa_handler = writeroob;
- (void)sigaction(SIGUSR1, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGUSR1, &sa, NULL);
/* don't dump core */
rlim.rlim_cur = rlim.rlim_max = 0;
@@ -306,7 +306,7 @@
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
sa.sa_handler = SIG_IGN;
- (void)sigaction(SIGINT, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGINT, &sa, NULL);
setsignal(SIGHUP);
setsignal(SIGQUIT);
mode(1);
@@ -333,9 +333,9 @@
* signals to the child. We can now unblock SIGURG and SIGUSR1
* that were set above.
*/
- (void)sigprocmask(SIG_SETMASK, smask, (sigset_t *) 0);
+ (void)sigprocmask(SIG_SETMASK, smask, NULL);
sa.sa_handler = catch_child;
- (void)sigaction(SIGCHLD, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGCHLD, &sa, NULL);
writer();
msg("closed connection.");
done(0);
@@ -357,9 +357,9 @@
isa.sa_flags = SA_RESTART;
(void)sigaction(sig, &isa, &osa);
if (osa.sa_handler == SIG_IGN)
- (void)sigaction(sig, &osa, (struct sigaction *) 0);
+ (void)sigaction(sig, &osa, NULL);
- (void)sigprocmask(SIG_SETMASK, &osigs, (sigset_t *) 0);
+ (void)sigprocmask(SIG_SETMASK, &osigs, NULL);
}
static void
@@ -375,7 +375,7 @@
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
- (void)sigaction(SIGCHLD, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGCHLD, &sa, NULL);
if (kill(child, SIGKILL) >= 0)
while ((w = wait(&wstatus)) > 0 && w != child)
continue;
@@ -399,7 +399,7 @@
sigemptyset(&sa.sa_mask);
sa.sa_handler = sigwinch;
sa.sa_flags = SA_RESTART;
- (void)sigaction(SIGWINCH, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGWINCH, &sa, NULL);
}
dosigwinch = 1;
}
@@ -430,7 +430,8 @@
static void
writer(void)
{
- int bol, local, n;
+ int bol, local;
+ ssize_t n;
char c;
bol = 1; /* beginning of line */
@@ -523,10 +524,10 @@
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_IGN;
sa.sa_flags = SA_RESTART;
- (void)sigaction(SIGCHLD, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGCHLD, &sa, NULL);
(void)kill(all ? 0 : getpid(), SIGTSTP);
sa.sa_handler = catch_child;
- (void)sigaction(SIGCHLD, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGCHLD, &sa, NULL);
mode(1);
sigwinch(0); /* check for size changes */
}
@@ -573,18 +574,19 @@
static jmp_buf rcvtop;
static pid_t ppid;
-static int rcvcnt, rcvstate;
+static ssize_t rcvcnt, rcvstate;
static char rcvbuf[8 * 1024];
static void
oob(int signo)
{
struct termios tty;
- int atmark, n, rcvd;
+ int atmark;
+ ssize_t n, rcvd;
char waste[BUFSIZ], mark;
rcvd = 0;
- while (recv(rem, &mark, 1, MSG_OOB) < 0) {
+ while (recv(rem, &mark, 1, MSG_OOB) == -1) {
switch (errno) {
case EWOULDBLOCK:
/*
@@ -592,7 +594,7 @@
* to send it yet if we are blocked for output and
* our input buffer is full.
*/
- if (rcvcnt < (int)sizeof(rcvbuf)) {
+ if (rcvcnt < (ssize_t)sizeof(rcvbuf)) {
n = read(rem, rcvbuf + rcvcnt,
sizeof(rcvbuf) - rcvcnt);
if (n <= 0)
@@ -661,7 +663,7 @@
reader(sigset_t *smask)
{
pid_t pid;
- int n, remaining;
+ ssize_t n, remaining;
char *bufp;
struct sigaction sa;
@@ -669,13 +671,13 @@
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
sa.sa_handler = SIG_IGN;
- (void)sigaction(SIGTTOU, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGTTOU, &sa, NULL);
sa.sa_handler = oob;
- (void)sigaction(SIGURG, &sa, (struct sigaction *) 0);
+ (void)sigaction(SIGURG, &sa, NULL);
ppid = getppid();
(void)fcntl(rem, F_SETOWN, pid);
(void)setjmp(rcvtop);
- (void)sigprocmask(SIG_SETMASK, smask, (sigset_t *) 0);
+ (void)sigprocmask(SIG_SETMASK, smask, NULL);
bufp = rcvbuf;
for (;;) {
while ((remaining = rcvcnt - (bufp - rcvbuf)) > 0) {
@@ -742,7 +744,7 @@
sa.sa_flags = SA_RESTART;
sa.sa_handler = SIG_IGN;
sigemptyset(&sa.sa_mask);
- (void)sigaction(SIGPIPE, &sa, (struct sigaction *)0);
+ (void)sigaction(SIGPIPE, &sa, NULL);
msg("\aconnection closed.");
done(1);
}
@@ -796,7 +798,7 @@
getescape(char *p)
{
long val;
- int len;
+ size_t len;
if ((len = strlen(p)) == 1) /* use any single char, including '\' */
return ((u_int)*p);
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