drd@siia.mv.com (David Dick) (06/21/91)
The program at the end of this posting produces the following
output when run on the three machines given:
RESULTS--
ARIX (Motorola 68020):
inch returned 'X' (0x58)
IBM RS/6000:
inch returned '' (0x0)
IBM PS/2 (Intel something):
inch returned 'X' (0x58)
PROGRAM--
/* intst -- simple inch() test */
#include <curses.h>
#include <stdio.h>
main()
{
int ch;
initscr();
move(10,10);
addch('X');
move(10,10);
ch = inch();
endwin();
printf("inch returned '%c' (0x%0x)\n",ch,ch);
}
David Dick
Software Innovations, Inc [the Software Moving Company (sm)]chem194@csc.canterbury.ac.nz (John Davis) (06/24/91)
In article <1991Jun21.143411.21416@siia.mv.com>, drd@siia.mv.com (David Dick) writes: > The program at the end of this posting produces the following > output when run on the three machines given: > > RESULTS-- > > ARIX (Motorola 68020): > > inch returned 'X' (0x58) > > IBM RS/6000: > > inch returned '' (0x0) > > PROGRAM-- > > /* intst -- simple inch() test */ > > #include <curses.h> > #include <stdio.h> > > main() > { > int ch; > > initscr(); > move(10,10); > addch('X'); > move(10,10); > ch = inch(); > endwin(); > printf("inch returned '%c' (0x%0x)\n",ch,ch); > } Welcome to the club - I just found that one too. As far as I can see, stdscr->_y is not being initialised properly (in fact it's nil), resulting in inch() (which derefs _y) grabbing random chars. If you're real lucky you'll segmentation violation!!! ----------------------------------------------------------- | o John Davis - CHEM194@csc.canterbury.ac.nz o | | o (Depart)mental Programmer,Chemistry Department o | | o University of Canterbury, Christchurch, New Zealand o |