who: fix attempts to open '/dev/dev/ttyX'; make columns a bit wider, add -H

function                                             old     new   delta
who_main                                             292     363     +71

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/loginutils/login.c b/loginutils/login.c
index b5e348b66..256c7c475 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -61,7 +61,7 @@ static void read_or_build_utent(struct utmp *utptr, int run_by_root)
 
         /* First, try to find a valid utmp entry for this process.  */
         /* If there is one, just use it.  */
-        while ((ut = getutent()) != NULL)
+        while ((ut = getutent()) != NULL) {
                 if (ut->ut_pid == pid && ut->ut_line[0] && ut->ut_id[0]
                  && (ut->ut_type == LOGIN_PROCESS || ut->ut_type == USER_PROCESS)
                 ) {
@@ -70,6 +70,7 @@ static void read_or_build_utent(struct utmp *utptr, int run_by_root)
                                 memset(utptr->ut_host, 0, sizeof(utptr->ut_host));
                         return;
                 }
+        }
 
 // Why? Do we require non-root to exec login from another
 // former login process (e.g. login shell)? Some login's have