nfy

commit 3db478829c602faeb9b507c17433c977c953b7b6
parent dcf7ef8ff794f26d8b38ffbb90ddb9647b8aa059
Author: Christos Margiolis <christos@margiolis.net>
Date:   Fri,  1 Apr 2022 23:17:10 +0300

fix empty stdin bug

Diffstat:
M
nfy.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/nfy.c b/nfy.c
@@ -101,6 +101,11 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+	if (isatty(STDIN_FILENO)) {
+		warnx("stdin is empty");
+		return (0);
+	}
+
 	/* detach from tty */
 	if ((pid = fork()) < 0)
 		err(1, "fork");