jehanne/sys/src/lib/draw/debug.c

26 lines
620 B
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#include <u.h>
#include <libc.h>
#include <draw.h>
void
drawsetdebug(int v)
{
uint8_t *a;
a = bufimage(display, 1+1);
if(a == 0){
fprint(2, "drawsetdebug: %r\n");
return;
}
a[0] = 'D';
a[1] = v;
}