*: Switch to POSIX utmpx API

UTMP is SVID legacy, UTMPX is mandated by POSIX.

Glibc and uClibc have identical layout of UTMP and UTMPX, both of these
libc treat _PATH_UTMPX as _PATH_UTMP so from a user-perspective nothing
changes except the names of the API entrypoints.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/coreutils/who.c b/coreutils/who.c
index f955ce6d3..8337212c9 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -73,7 +73,7 @@ static void idle_string(char *str6, time_t t)
 int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int who_main(int argc UNUSED_PARAM, char **argv)
 {
-        struct utmp *ut;
+        struct utmpx *ut;
         unsigned opt;
         int do_users = (ENABLE_USERS && (!ENABLE_WHO || applet_name[0] == 'u'));
         const char *fmt = "%s";
@@ -83,8 +83,8 @@ int who_main(int argc UNUSED_PARAM, char **argv)
         if (opt & 2) // -H
                 printf("USER\t\tTTY\t\tIDLE\tTIME\t\t HOST\n");
 
-        setutent();
-        while ((ut = getutent()) != NULL) {
+        setutxent();
+        while ((ut = getutxent()) != NULL) {
                 if (ut->ut_user[0]
                  && ((opt & 1) || ut->ut_type == USER_PROCESS)
                 ) {
@@ -126,6 +126,6 @@ int who_main(int argc UNUSED_PARAM, char **argv)
         if (do_users)
                 bb_putchar('\n');
         if (ENABLE_FEATURE_CLEAN_UP)
-                endutent();
+                endutxent();
         return EXIT_SUCCESS;
 }