Category : Word Processors
Archive   : STEVIE.ZIP
Filename : OS2.C

/*
* OS/2 System-dependent routines.
*/

#include "stevie.h"

/*
* inchar() - get a character from the keyboard
*/
int
inchar()
{
int c;

flushbuf(); /* flush any pending output */

c = getch();

if (c == 0x1e) /* control-^ */
return K_CGRAVE;
else
return c;
}

#define BSIZE 2048
static char outbuf[BSIZE];
static int bpos = 0;

flushbuf()
{
if (bpos != 0)
write(1, outbuf, bpos);
bpos = 0;
}

/*
* Macro to output a character. Used within this file for speed.
*/
#define outone(c) outbuf[bpos++] = c; if (bpos >= BSIZE) flushbuf()

/*
* Function version for use outside this file.
*/
void
outchar(c)
register char c;
{
outbuf[bpos++] = c;
if (bpos >= BSIZE)
flushbuf();
}

void
outstr(s)
register char *s;
{
while (*s) {
outone(*s++);
}
}

void
beep()
{
outone('\007');
}

sleep(n)
int n;
{
extern far pascal DOSSLEEP();

DOSSLEEP(1000L * n);
}

void
delay()
{
DOSSLEEP(500L);
}

void
windinit()
{
Columns = 80;
P(P_LI) = Rows = 25;
}

void
windexit(r)
int r;
{
flushbuf();
exit(r);
}

void
windgoto(r, c)
register int r, c;
{
r += 1;
c += 1;

/*
* Check for overflow once, to save time.
*/
if (bpos + 8 >= BSIZE)
flushbuf();

outbuf[bpos++] = '\033';
outbuf[bpos++] = '[';
if (r >= 10)
outbuf[bpos++] = r/10 + '0';
outbuf[bpos++] = r%10 + '0';
outbuf[bpos++] = ';';
if (c >= 10)
outbuf[bpos++] = c/10 + '0';
outbuf[bpos++] = c%10 + '0';
outbuf[bpos++] = 'H';
}

FILE *
fopenb(fname, mode)
char *fname;
char *mode;
{
FILE *fopen();
char modestr[16];

sprintf(modestr, "%sb", mode);
return fopen(fname, modestr);
}