Work around Emacs crash on Konsole detach. (Tom Schutzer-Weissmann)

* src/dispnew.c (window_change_signal): Don't believe width/height values
  that are impossibly small.

git-archimport-id: [email protected]/emacs--multi-tty--0--patch-452

2 files changed, 7 insertions, 3 deletions

diff --git a/README.multi-tty b/README.multi-tty
index 7a9ed1fdad..5deb706c3c 100644
--- a/README.multi-tty
+++ b/README.multi-tty
@@ -35,6 +35,7 @@ Bernard Adrian <[email protected]>
 ARISAWA Akihiro <[email protected]>
 Vincent Bernat <[email protected]>
 Han Boetes <[email protected]>
+Francisco Borges <[email protected]>
 Damien Cassou <[email protected]>
 Robert J. Chassell <[email protected]>
 Romain Francoise <[email protected]>
@@ -52,8 +53,8 @@ Gergely Nagy <[email protected]>
 Dan Nicolaescu <[email protected]>
 Kalle Olavi Niemitalo <[email protected]>
 Mark Plaksin <[email protected]>
-Francisco Borges <[email protected]>
 Frank Ruell <[email protected]>
+Tom Schutzer-Weissmann <[email protected]>
 Dan Waber <[email protected]>
 and many others.
 
@@ -392,6 +393,9 @@ is probably not very interesting for anyone else.)
 THINGS TO DO
 ------------
 
+** Emacs crashes when a tty frame is resized so that there is no space
+   for all its windows.  (Tom Schutzer-Weissmann)
+
 ** Report GTK multi-display problems to GTK maintainers.  For extra
    credit, fix them.
 
diff --git a/src/dispnew.c b/src/dispnew.c
index 095400eb70..0de517c529 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -6050,7 +6050,7 @@ window_change_signal (signalnum) /* If we don't have an argument, */
 #ifndef USE_CRT_DLL
   extern int errno;
 #endif
-  int old_errno = errno;
+  int old_errno = errno;x
 
   struct tty_display_info *tty;
 
@@ -6068,7 +6068,7 @@ window_change_signal (signalnum) /* If we don't have an argument, */
 
     get_tty_size (fileno (tty->input), &width, &height);
     
-    {
+    if (width > 5 && height > 2) {
       Lisp_Object tail, frame;
       
       FOR_EACH_FRAME (tail, frame)