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MFC r198490

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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
This commit is contained in:
Rong-En Fan 2009-10-30 17:28:35 +00:00
parent 5a3d86c297
commit 4ee07662b1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/stable/8/; revision=198693
1 changed files with 6 additions and 0 deletions
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6
contrib/ncurses/ncurses/base/lib_getch.c
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@ -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);
}
}