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/* Dumb printing routines
Copyright (C) 1996 Pete A. Zaitcev
Copyright (C) 1997 Jakub Jelinek
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "promlib.h"
/*
* This part is rewritten by Igor Timkin <ivt@msu.su>. Than I
* rewritten it again but kept the MISS style, originated from
* Wladimir Butenko. --P3
*/
#define OBSIZE 200
static void putchar_1 (char c)
{
/* P3: This buffer can be static while xprintf flushes it on exit. */
static char buff[OBSIZE + 1];
static int ox;
if ((buff[ox] = c) == 0) {
prom_puts (buff, ox);
ox = 0;
} else {
if (++ox >= OBSIZE) {
buff[ox] = 0;
prom_puts (buff, ox);
ox = 0;
}
}
}
void putchar (char c)
{
if (c == '\n')
putchar_1 ('\r');
putchar_1 (c);
}
/*
* Print an unsigned integer in base b, avoiding recursion.
*/
static void printn (long n, int b)
{
char prbuf[24];
register char *cp;
if (b == 10 && n < 0) {
putchar ('-');
n = -n;
}
cp = prbuf;
do
*cp++ = "0123456789ABCDEF"[(unsigned int) (((unsigned long)n) % b)];
while (n = ((unsigned long)n) / b & 0x0FFFFFFF);
do
putchar (*--cp);
while (cp > prbuf);
}
void vprintf (char *fmt, va_list adx)
{
register c;
char *s;
for (;;) {
while ((c = *fmt++) != '%') {
if (c == '\0') {
putchar (0);
return;
}
putchar (c);
}
c = *fmt++;
if (c == 'd' || c == 'o' || c == 'x' || c == 'X') {
printn ((long) va_arg (adx, unsigned),
c == 'o' ? 8 : (c == 'd' ? 10 : 16));
} else if (c == 'c') {
putchar (va_arg (adx, unsigned));
} else if (c == 's') {
s = va_arg (adx, char *);
while (c = *s++)
putchar (c);
} else if (c == 'l' || c == 'O') {
printn ((long) va_arg (adx, long), c == 'l' ? 10 : 8);
}
}
}
/*
* Scaled down version of C Library printf.
* Only %c %s %u %d (==%u) %o %x %D %O are recognized.
*/
void prom_printf (char *fmt,...)
{
va_list x1;
va_start (x1, fmt);
vprintf (fmt, x1);
va_end (x1);
}
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