lchat

commit 95228a60c30fb237075d22213c2cb241af259c1f
parent ddeeb5b062f0e611a54f1a9af28efc641a3d33af
Author: Jan Klemkow <j.klemkow@wemelug.de>
Date:   Mon, 28 Nov 2016 21:49:53 +0100

add error check for poll(2)

Diffstat:
M
lchat.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lchat.c b/lchat.c
@@ -279,7 +279,8 @@ main(int argc, char *argv[])
 	fputs(prompt, stdout);
 
 	for (;;) {
-		poll(pfd, 2, INFTIM);
+		if (poll(pfd, 2, INFTIM) == -1)
+			err(EXIT_FAILURE, "poll");
 
 		/* moves cursor back after linewrap */
 		if (loverhang > 0) {