rpm2cpio: handle bz2 too; code shrink

[oweals/busybox.git] / coreutils / who.c

diff --git a/coreutils/who.c b/coreutils/who.c
index 6e7710c2d4ec8e68356743422483cc5bcef302d2..85a0025c3393a8ebdd4725bf4346bff6a08d7766 100644 (file)
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -16,10 +16,10 @@
  *
  *----------------------------------------------------------------------
  */
+/* 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)
 {
@@ -40,37 +40,40 @@ 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");
+       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);
-                       printf("%-10s %-8s %-9s %-14.14s %s\n",
+                       /* 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;
 }