Enable tar -z support again by default

[oweals/busybox.git] / logname.c

diff --git a/logname.c b/logname.c
index 182f40ed2b959e55ca446c86011157141f401f3b..0924b24712628d4e644a472e2ac68ed8d4b497a7 100644 (file)
--- a/logname.c
+++ b/logname.c
@@ -20,25 +20,22 @@
  *
  */
 
-#include "internal.h"
 #include <stdio.h>
-
-static const char logname_usage[] = "logname\n\n"
-
-       "Print the name of the current user.\n";
+#include <stdlib.h>
+#include <unistd.h>
+#include "busybox.h"
 
 extern int logname_main(int argc, char **argv)
 {
-       char *cp;
+       char user[9];
 
        if (argc > 1)
-               usage(logname_usage);
+               show_usage();
 
-       cp = getlogin();
-       if (cp) {
-               puts(cp);
-               exit(TRUE);
+       my_getpwuid(user, geteuid());
+       if (*user) {
+               puts(user);
+               return EXIT_SUCCESS;
        }
-       fprintf(stderr, "%s: no login name\n", argv[0]);
-       exit(FALSE);
+       error_msg_and_die("no login name");
 }