freebsd-dev/contrib/libf2c/libI77/iio.c
2003-07-11 03:42:19 +00:00

158 lines
2.7 KiB
C

#include "f2c.h"
#include "fio.h"
#include "fmt.h"
extern char *f__icptr;
char *f__icend;
extern icilist *f__svic;
int f__icnum;
extern int f__hiwater;
int
z_getc (void)
{
if (f__recpos++ < f__svic->icirlen)
{
if (f__icptr >= f__icend)
err (f__svic->iciend, (EOF), "endfile");
return (*(unsigned char *) f__icptr++);
}
return '\n';
}
void
z_putc (int c)
{
if (f__recpos++ < f__svic->icirlen && f__icptr < f__icend)
*f__icptr++ = c;
}
int
z_rnew (void)
{
f__icptr = f__svic->iciunit + (++f__icnum) * f__svic->icirlen;
f__recpos = 0;
f__cursor = 0;
f__hiwater = 0;
return 1;
}
static int
z_endp (void)
{
(*f__donewrec) ();
return 0;
}
int
c_si (icilist * a)
{
if (f__init & 2)
f__fatal (131, "I/O recursion");
f__init |= 2;
f__elist = (cilist *) a;
f__fmtbuf = a->icifmt;
f__curunit = 0;
f__sequential = f__formatted = 1;
f__external = 0;
if (pars_f (f__fmtbuf) < 0)
err (a->icierr, 100, "startint");
fmt_bg ();
f__cblank = f__cplus = f__scale = 0;
f__svic = a;
f__icnum = f__recpos = 0;
f__cursor = 0;
f__hiwater = 0;
f__icptr = a->iciunit;
f__icend = f__icptr + a->icirlen * a->icirnum;
f__cf = 0;
return (0);
}
int
iw_rev (void)
{
if (f__workdone)
z_endp ();
f__hiwater = f__recpos = f__cursor = 0;
return (f__workdone = 0);
}
integer
s_rsfi (icilist * a)
{
int n;
if ((n = c_si (a)))
return (n);
f__reading = 1;
f__doed = rd_ed;
f__doned = rd_ned;
f__getn = z_getc;
f__dorevert = z_endp;
f__donewrec = z_rnew;
f__doend = z_endp;
return (0);
}
int
z_wnew (void)
{
if (f__recpos < f__hiwater)
{
f__icptr += f__hiwater - f__recpos;
f__recpos = f__hiwater;
}
while (f__recpos++ < f__svic->icirlen)
*f__icptr++ = ' ';
f__recpos = 0;
f__cursor = 0;
f__hiwater = 0;
f__icnum++;
return 1;
}
integer
s_wsfi (icilist * a)
{
int n;
if ((n = c_si (a)))
return (n);
f__reading = 0;
f__doed = w_ed;
f__doned = w_ned;
f__putn = z_putc;
f__dorevert = iw_rev;
f__donewrec = z_wnew;
f__doend = z_endp;
return (0);
}
integer
e_rsfi (void)
{
int n;
f__init &= ~2;
n = en_fio ();
f__fmtbuf = NULL;
return (n);
}
integer
e_wsfi (void)
{
int n;
f__init &= ~2;
n = en_fio ();
f__fmtbuf = NULL;
if (f__svic->icirnum != 1
&& (f__icnum > f__svic->icirnum
|| (f__icnum == f__svic->icirnum && (f__recpos | f__hiwater))))
err (f__svic->icierr, 110, "inwrite");
if (f__recpos < f__hiwater)
f__recpos = f__hiwater;
if (f__recpos >= f__svic->icirlen)
err (f__svic->icierr, 110, "recend");
if (!f__recpos && f__icnum)
return n;
while (f__recpos++ < f__svic->icirlen)
*f__icptr++ = ' ';
return n;
}