prevent the "ttflush write failed" panic when resizing using a window

manager that that continously sends resize events.

fix inspired by an older diff for vi (r1.15 of src/usr.bin/vi/cl/cl_screen.c)

ok otto@ jasper@

1 files changed, 5 insertions, 2 deletions

diff --git a/usr.bin/mg/ttyio.c b/usr.bin/mg/ttyio.c
index d47b7d6c8b2..228a370c5a8 100644
--- a/usr.bin/mg/ttyio.c
+++ b/usr.bin/mg/ttyio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ttyio.c,v 1.31 2006/04/03 05:03:34 deraadt Exp $	*/
+/*	$OpenBSD: ttyio.c,v 1.32 2008/02/05 12:53:38 reyk Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -145,8 +145,11 @@ ttflush(void)
 		return;
 
 	while ((written = write(fileno(stdout), buf, nobuf)) != nobuf) {
-		if (written == -1)
+		if (written == -1) {
+			if (errno == EINTR)
+				continue;
 			panic("ttflush write failed");
+		}
 		buf += written;
 		nobuf -= written;
 	}