From 96bf5af1b4e8a8164cc004b942553a8ca88f55df Mon Sep 17 00:00:00 2001
From: Igor Bukanov <igor@mir2.org>
Date: Tue, 29 Oct 2013 14:41:34 +0100
Subject: [PATCH] mosh-server: allow startup with PTY with zero width or height
 like Emacs shell.

Closes #472
Closes #473
---
 src/frontend/mosh-server.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/frontend/mosh-server.cc b/src/frontend/mosh-server.cc
index d91cbc7..84cf7b6 100644
--- a/src/frontend/mosh-server.cc
+++ b/src/frontend/mosh-server.cc
@@ -325,7 +325,9 @@ int run_server( const char *desired_ip, const char *desired_port,
 		const int colors, bool verbose, bool with_motd ) {
   /* get initial window size */
   struct winsize window_size;
-  if ( ioctl( STDIN_FILENO, TIOCGWINSZ, &window_size ) < 0 ) {
+  if ( ioctl( STDIN_FILENO, TIOCGWINSZ, &window_size ) < 0 ||
+       window_size.ws_col == 0 ||
+       window_size.ws_row == 0 ) {
     fprintf( stderr, "Server started without pseudo-terminal. Opening 80x24 terminal.\n" );
 
     /* Fill in sensible defaults. */