no point in passing &ret to test_getchar(); nobody cares! also, no

point in doing the check-for-abort functionality twice in putchar()
(once with a call to test_getchar(), once open coded).
This commit is contained in:
cgd 1999-03-31 03:22:57 +00:00
parent 0f4c2803ca
commit c5fa912232

View File

@ -1,4 +1,4 @@
/* $NetBSD: prom.c,v 1.6 1999/03/31 03:10:00 cgd Exp $ */
/* $NetBSD: prom.c,v 1.7 1999/03/31 03:22:57 cgd Exp $ */
/*
* Mach Operating System
@ -35,7 +35,7 @@
int console;
static int test_getchar(prom_return_t *, int *);
static int test_getchar(int *);
static void putonechar(int c);
void
@ -58,23 +58,23 @@ init_prom_calls()
}
static int
test_getchar(xret, xc)
prom_return_t *xret;
test_getchar(xc)
int *xc;
{
xret->bits = prom_dispatch(PROM_R_GETC, console);
*xc = xret->u.retval;
return xret->u.status == 0 || xret->u.status == 1;
prom_return_t ret;
ret.bits = prom_dispatch(PROM_R_GETC, console);
*xc = ret.u.retval;
return ret.u.status == 0 || ret.u.status == 1;
}
int
getchar()
{
int c;
prom_return_t ret;
for (;;) {
if (test_getchar(&ret, &c)) {
if (test_getchar(&c)) {
if (c == 3)
halt();
return c;
@ -98,7 +98,6 @@ void
putchar(c)
int c;
{
prom_return_t ret;
int typed_c;
if (c == '\r' || c == '\n') {
@ -106,11 +105,7 @@ putchar(c)
c = '\n';
}
putonechar(c);
ret.bits = prom_dispatch(PROM_R_GETC, console);
if (ret.u.status == 0 || ret.u.status == 1)
if (ret.u.retval == 3)
halt();
if (test_getchar(&ret, &typed_c))
if (test_getchar(&typed_c))
if (typed_c == 3)
halt();
}