39 lines
612 B
C
39 lines
612 B
C
|
/* See LICENSE file for copyright and license details. */
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include "util.h"
|
||
|
|
|
||
|
|
static void
|
||
|
|
usage(void)
|
||
|
|
{
|
||
|
|
eprintf("usage: nice [-n inc] command [options ...]\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc, char **argv)
|
||
|
|
{
|
||
|
|
int inc = 10;
|
||
|
|
|
||
|
|
ARGBEGIN {
|
||
|
|
case 'n':
|
||
|
|
inc = atoi(EARGF(usage()));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
usage();
|
||
|
|
} ARGEND;
|
||
|
|
|
||
|
|
nice(inc); /* POSIX specifies the nice failure still invokes the command. */
|
||
|
|
|
||
|
|
if(!*argv)
|
||
|
|
usage();
|
||
|
|
|
||
|
|
execvp(*argv, argv);
|
||
|
|
eprintf("nice: '%s': %s\n", *argv, strerror(errno));
|
||
|
|
|
||
|
|
return EXIT_FAILURE;
|
||
|
|
}
|
||
|
|
|