svn commit: r198489 - vendor/ncurses/dist/ncurses/base

[Rong-En Fan]

Author: rafan
Date: Mon Oct 26 13:01:29 2009
New Revision: 198489
URL: http://svn.freebsd.org/changeset/base/198489

Log:
  Pull upstream patch to fix ee(1) crash when received SIGWINCH:
  
    modify _nc_wgetch() to check for a -1 in the fifo, e.g., after a
    SIGWINCH, and discard that value, to avoid confusing application
    (patch by Eygene Ryabinkin, FreeBSD bin/136223).
  
  PR:		136223
  Submitted by:	Eygene Ryabinkin
  Obtained from:	ncurses-5.7-20091024 snapshot
  MFC after:	3 days

Modified:
  vendor/ncurses/dist/ncurses/base/lib_getch.c

Modified: vendor/ncurses/dist/ncurses/base/lib_getch.c
==============================================================================
--- vendor/ncurses/dist/ncurses/base/lib_getch.c	Mon Oct 26 11:26:49 2009	(r198488)
+++ vendor/ncurses/dist/ncurses/base/lib_getch.c	Mon Oct 26 13:01:29 2009	(r198489)
@@ -476,6 +476,12 @@ _nc_wgetch(WINDOW *win,
 	    /* resizeterm can push KEY_RESIZE */
 	    if (cooked_key_in_fifo()) {
 		*result = fifo_pull(sp);
+		/*
+		 * Get the ERR from queue -- it is from WINCH,
+		 * so we should take it out, the "error" is handled.
+		 */
+		if (fifo_peek(sp) == -1)
+		    fifo_pull(sp);
 		returnCode(*result >= KEY_MIN ? KEY_CODE_YES : OK);
 	    }
 	}