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renice: support -- as per POSIX.

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Sponsored by:	Klara, Inc.
MFC after:	1 week
This commit is contained in:
Dag-Erling Smørgrav 2022-08-05 01:50:00 +02:00
parent 23c8b19c1d
commit e24c5c60d7
1 changed files with 19 additions and 12 deletions
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31
usr.bin/renice/renice.c
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@ -69,8 +69,9 @@ int
main(int argc, char *argv[])
{
struct passwd *pwd;
int errs, incr, prio, which, who;
int delim, errs, incr, prio, which, who;
delim = 0;
errs = 0;
incr = 0;
which = PRIO_PROCESS;
@ -88,17 +89,23 @@ main(int argc, char *argv[])
return (1);
argc--, argv++;
for (; argc > 0; argc--, argv++) {
if (strcmp(*argv, "-g") == 0) {
which = PRIO_PGRP;
continue;
}
if (strcmp(*argv, "-u") == 0) {
which = PRIO_USER;
continue;
}
if (strcmp(*argv, "-p") == 0) {
which = PRIO_PROCESS;
continue;
if (!delim) {
if (strcmp(*argv, "-g") == 0) {
which = PRIO_PGRP;
continue;
}
if (strcmp(*argv, "-u") == 0) {
which = PRIO_USER;
continue;
}
if (strcmp(*argv, "-p") == 0) {
which = PRIO_PROCESS;
continue;
}
if (strcmp(*argv, "--") == 0) {
delim = 1;
continue;
}
}
if (which == PRIO_USER) {
if ((pwd = getpwnam(*argv)) != NULL)