*
*----------------------------------------------------------------------
*/
+/* BB_AUDIT SUSv3 _NOT_ compliant -- missing options -b, -d, -H, -l, -m, -p, -q, -r, -s, -t, -T, -u; Missing argument 'file'. */
#include "libbb.h"
#include <utmp.h>
-#include <time.h>
static void idle_string(char *str6, time_t t)
{
}
int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int who_main(int argc, char **argv)
+int who_main(int argc UNUSED_PARAM, char **argv)
{
char str6[6];
struct utmp *ut;
struct stat st;
char *name;
+ unsigned opt;
- if (argc > 1) {
- bb_show_usage();
- }
+ opt_complementary = "=0";
+ opt = getopt32(argv, "a");
setutent();
printf("USER TTY IDLE TIME HOST\n");
while ((ut = getutent()) != NULL) {
- if (ut->ut_user[0] && ut->ut_type == USER_PROCESS) {
- time_t thyme = ut->ut_tv.tv_sec;
-
+ if (ut->ut_user[0] && (opt || ut->ut_type == USER_PROCESS)) {
+ time_t tmp;
/* ut->ut_line is device name of tty - "/dev/" */
name = concat_path_file("/dev", ut->ut_line);
str6[0] = '?';
str6[1] = '\0';
if (stat(name, &st) == 0)
idle_string(str6, st.st_atime);
+ /* manpages say ut_tv.tv_sec *is* time_t,
+ * but some systems have it wrong */
+ tmp = ut->ut_tv.tv_sec;
/* 15 chars for time: Nov 10 19:33:20 */
printf("%-10s %-8s %-9s %-15.15s %s\n",
ut->ut_user, ut->ut_line, str6,
- ctime(&thyme) + 4, ut->ut_host);
+ ctime(&tmp) + 4, ut->ut_host);
if (ENABLE_FEATURE_CLEAN_UP)
free(name);
}
}
if (ENABLE_FEATURE_CLEAN_UP)
endutent();
- return 0;
+ return EXIT_SUCCESS;
}