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-rw-r--r--tty.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/tty.c b/tty.c
index 83abaff..8ac1c1f 100644
--- a/tty.c
+++ b/tty.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini tty implementation for busybox
*
@@ -24,19 +25,23 @@
#include <sys/types.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";
+ "Print the file name of the terminal connected to standard input.\n"
-extern int tty_main(int argc, char **argv) {
+ "\t-s\tprint nothing, only return an exit status\n";
+
+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')
+ usage(tty_usage);
+ } else {
+ tty = ttyname(0);
+ if (tty)
+ puts(tty);
+ else
+ puts("not a tty");
}
- exit (isatty (0) ? TRUE : FALSE);
+ exit(isatty(0) ? TRUE : FALSE);
}