X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Ftty.c;h=4510c29963ff88cfea1a13c508f0267c36066b2c;hb=1652855fbc830f41c7ee56ece1a30b328c4fb395;hp=83abaffb59bba55546babe861a22d23079aecf9c;hpb=3163821967821518cfa4c4315f775ec5301bb023;p=oweals%2Fbusybox.git

diff --git a/coreutils/tty.c b/coreutils/tty.c
index 83abaffb5..4510c2996 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Mini tty implementation for busybox
  *
@@ -19,24 +20,25 @@
  *
  */
 
-#include "internal.h"
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 #include <sys/types.h>
+#include "busybox.h"
 
-static const char tty_usage[] = "tty\n\n"
-"Print the file name of the terminal connected to standard input.\n"
-"\t-s\tprint nothing, only return an exit status\n";
-
-extern int tty_main(int argc, char **argv) {
+extern int tty_main(int argc, char **argv)
+{
 	char *tty;
 
 	if (argc > 1) {
-		if (argv[1][0] != '-' || argv[1][1] != 's') usage (tty_usage);
-	}
-	else {
-		tty = ttyname (0);
-		if (tty) puts (tty);
-		else puts ("not a tty");
+		if (argv[1][0] != '-' || argv[1][1] != 's')
+			show_usage();
+	} else {
+		tty = ttyname(0);
+		if (tty)
+			puts(tty);
+		else
+			puts("not a tty");
 	}
-	exit (isatty (0) ? TRUE : FALSE);
+	return(isatty(0) ? EXIT_SUCCESS : EXIT_FAILURE);
 }