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apps/graphics/pdcurs34/nuttx and system/termcurses: This commit fixes two issues:

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1. A memory corruption issue that occurs from a paste operation that would overflow the fixed buffer size for keyboard processing.

2. A stall in getch() processing when there are cached keycodes in the termcurses emulation (tcurses_vt100.c).
This commit is contained in:
Ken Pettit 2019-01-08 08:21:39 -06:00 • committed by Gregory Nutt
parent 3cdb6ec4ba
commit e1237bfefd
4 changed files with 91 additions and 3 deletions
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14
include/system/termcurses.h
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@ -117,6 +117,10 @@ struct termcurses_ops_s
/* Get a keycode value */
CODE int (*getkeycode)(FAR struct termcurses_s *dev, int *specialkey, int *keymodifers);
/* Check for cached keycode value */
CODE bool (*checkkey)(FAR struct termcurses_s *dev);
};
struct termcurses_dev_s
@ -229,6 +233,16 @@ int termcurses_getwinsize(FAR struct termcurses_s *term, FAR struct winsize *win
int termcurses_getkeycode(FAR struct termcurses_s *term, FAR int *specialkey,
FAR int *keymodifiers);
/************************************************************************************
* Name: termcurses_checkkey
*
* Description:
* Check if there is a key waiting to be processed.
*
************************************************************************************/
bool termcurses_checkkey(FAR struct termcurses_s *term);
#undef EXTERN
#ifdef __cplusplus
}