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commit e96f0b9671d12a6977225ea22f7edf455331aa6e
parent 702a5592b8309cc3c91fc562fcfff0b4f58fb2f0
Author: Jan Klemkow <j.klemkow@wemelug.de>
Date:   Thu, 16 Apr 2020 22:03:04 +0200

ptty: error handling of close(2)

Diffstat:
M
ptty.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/ptty.c b/ptty.c
@@ -112,7 +112,8 @@ main(int argc, char *argv[])
 				die("read:");
 			if (n == 0) {
 				pfd[0].fd = -1;
-				close(mfd);
+				if (close(mfd) == -1)
+					die("close:");
 				break;
 			}
 			if (write(mfd, buf, n) == -1)
@@ -129,7 +130,8 @@ main(int argc, char *argv[])
 
 		if (pfd[0].revents & POLLHUP) {
 			pfd[0].fd = -1;
-			close(mfd);
+			if (close(mfd) == -1)
+				die("close:");
 			break;
 		}
 		if (pfd[1].revents & POLLHUP)