renice(1) rework

This commit is contained in:
sin 2014-11-17 16:32:30 +00:00
parent 4dc2b783b8
commit ee1e90ebdc

View File

@ -1,4 +1,5 @@
/* See LICENSE file for copyright and license details. */
#include <errno.h>
#include <limits.h>
#include <pwd.h>
#include <stdio.h>
@ -23,6 +24,8 @@ main(int argc, char *argv[])
const char *adj = NULL;
long val;
int i, which = PRIO_PROCESS, status = 0;
struct passwd *pw;
int who;
ARGBEGIN {
case 'n':
@ -47,20 +50,19 @@ main(int argc, char *argv[])
val = estrtol(adj, 10);
for (i = 0; i < argc; i++) {
int who = -1;
who = -1;
if (which == PRIO_USER) {
const struct passwd *pwd;
errno = 0;
do pwd = getpwnam(argv[i]); while (errno == EINTR);
if (pwd)
who = pwd->pw_uid;
else if (errno != 0) {
perror("can't read passwd");
pw = getpwnam(argv[i]);
if (!pw) {
if (errno != 0)
weprintf("getpwnam %s:", argv[i]);
else
weprintf("getpwnam %s: no user found\n", argv[i]);
status = 1;
continue;
}
who = pw->pw_uid;
}
if (who < 0)
who = strtop(argv[i]);