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Style changes, mostly usage of braces around single line statements -

Browse source 
it is safer and allowed for some time now by style(9).

Sponsored by:	Fudo Security
This commit is contained in:
Pawel Jakub Dawidek 2020-01-26 11:13:34 +00:00
parent dee496fc37
commit 9677354790
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=357143
1 changed files with 34 additions and 21 deletions
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55
bin/pwait/pwait.c
View file

@ -63,12 +63,11 @@ int
main(int argc, char *argv[])
{
struct itimerval itv;
int kq;
struct kevent *e;
int oflag, tflag, verbose;
int opt, nleft, n, i, status;
int i, kq, n, nleft, opt, status;
long pid;
char *s, *end;
char *end, *s;
double timeout;
oflag = 0;
@ -76,7 +75,7 @@ main(int argc, char *argv[])
verbose = 0;
memset(&itv, 0, sizeof(itv));
while ((opt = getopt(argc, argv, "t:ov")) != -1) {
while ((opt = getopt(argc, argv, "ot:v")) != -1) {
switch (opt) {
case 'o':
oflag = 1;
@ -85,9 +84,9 @@ main(int argc, char *argv[])
tflag = 1;
errno = 0;
timeout = strtod(optarg, &end);
if (end == optarg || errno == ERANGE ||
timeout < 0)
if (end == optarg || errno == ERANGE || timeout < 0) {
errx(EX_DATAERR, "timeout value");
}
switch(*end) {
case 0:
case 's':
@ -101,8 +100,9 @@ main(int argc, char *argv[])
default:
errx(EX_DATAERR, "timeout unit");
}
if (timeout > 100000000L)
if (timeout > 100000000L) {
errx(EX_DATAERR, "timeout value");
}
itv.it_value.tv_sec = (time_t)timeout;
timeout -= (time_t)timeout;
itv.it_value.tv_usec =
@ -120,21 +120,26 @@ main(int argc, char *argv[])
argc -= optind;
argv += optind;
if (argc == 0)
if (argc == 0) {
usage();
}
kq = kqueue();
if (kq == -1)
if (kq == -1) {
err(EX_OSERR, "kqueue");
}
e = malloc((argc + tflag) * sizeof(struct kevent));
if (e == NULL)
if (e == NULL) {
err(EX_OSERR, "malloc");
}
nleft = 0;
for (n = 0; n < argc; n++) {
s = argv[n];
if (!strncmp(s, "/proc/", 6)) /* Undocumented Solaris compat */
/* Undocumented Solaris compat */
if (!strncmp(s, "/proc/", 6)) {
s += 6;
}
errno = 0;
pid = strtol(s, &end, 10);
if (pid < 0 || *end != '\0' || errno != 0) {
@ -142,8 +147,9 @@ main(int argc, char *argv[])
continue;
}
for (i = 0; i < nleft; i++) {
if (e[i].ident == (uintptr_t)pid)
if (e[i].ident == (uintptr_t)pid) {
break;
}
}
if (i < nleft) {
/* Duplicate. */
@ -152,8 +158,9 @@ main(int argc, char *argv[])
EV_SET(e + nleft, pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, NULL);
if (kevent(kq, e + nleft, 1, NULL, 0, NULL) == -1) {
warn("%ld", pid);
if (oflag)
if (oflag) {
exit(EX_OK);
}
} else {
nleft++;
}
@ -165,39 +172,45 @@ main(int argc, char *argv[])
* can be returned rather than 142.
*/
EV_SET(e + nleft, SIGALRM, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
if (kevent(kq, e + nleft, 1, NULL, 0, NULL) == -1)
if (kevent(kq, e + nleft, 1, NULL, 0, NULL) == -1) {
err(EX_OSERR, "kevent");
}
/* Ignore SIGALRM to not interrupt kevent(2). */
signal(SIGALRM, SIG_IGN);
if (setitimer(ITIMER_REAL, &itv, NULL) == -1)
if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
err(EX_OSERR, "setitimer");
}
}
while (nleft > 0) {
n = kevent(kq, NULL, 0, e, nleft + tflag, NULL);
if (n == -1)
if (n == -1) {
err(EX_OSERR, "kevent");
}
for (i = 0; i < n; i++) {
if (e[i].filter == EVFILT_SIGNAL) {
if (verbose)
if (verbose) {
printf("timeout\n");
}
exit(124);
}
if (verbose) {
status = e[i].data;
if (WIFEXITED(status))
if (WIFEXITED(status)) {
printf("%ld: exited with status %d.\n",
(long)e[i].ident,
WEXITSTATUS(status));
else if (WIFSIGNALED(status))
} else if (WIFSIGNALED(status)) {
printf("%ld: killed by signal %d.\n",
(long)e[i].ident,
WTERMSIG(status));
else
} else {
printf("%ld: terminated.\n",
(long)e[i].ident);
}
}
if (oflag)
if (oflag) {
exit(EX_OK);
}
--nleft;
}
}