85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/*write sequential formatted external*/
|
|
#include "f2c.h"
|
|
#include "fio.h"
|
|
#include "fmt.h"
|
|
extern int x_putc(),w_ed(),w_ned();
|
|
extern int xw_end(),xw_rev(),x_wSL();
|
|
extern int hiwater;
|
|
integer s_wsfe(a) cilist *a; /*start*/
|
|
{ int n;
|
|
if(!init) f_init();
|
|
if(n=c_sfe(a)) return(n);
|
|
reading=0;
|
|
sequential=1;
|
|
formatted=1;
|
|
external=1;
|
|
elist=a;
|
|
hiwater = cursor=recpos=0;
|
|
nonl = 0;
|
|
scale=0;
|
|
fmtbuf=a->cifmt;
|
|
curunit = &units[a->ciunit];
|
|
cf=curunit->ufd;
|
|
if(pars_f(fmtbuf)<0) err(a->cierr,100,"startio");
|
|
putn= x_putc;
|
|
doed= w_ed;
|
|
doned= w_ned;
|
|
doend=xw_end;
|
|
dorevert=xw_rev;
|
|
donewrec=x_wSL;
|
|
fmt_bg();
|
|
cplus=0;
|
|
cblank=curunit->ublnk;
|
|
if(curunit->uwrt != 1 && nowwriting(curunit))
|
|
err(a->cierr,errno,"write start");
|
|
return(0);
|
|
}
|
|
x_putc(c)
|
|
{
|
|
/* this uses \n as an indicator of record-end */
|
|
if(c == '\n' && recpos < hiwater) { /* fseek calls fflush, a loss */
|
|
#ifndef NON_UNIX_STDIO
|
|
if(cf->_ptr + hiwater - recpos < buf_end(cf))
|
|
cf->_ptr += hiwater - recpos;
|
|
else
|
|
#endif
|
|
(void) fseek(cf, (long)(hiwater - recpos), SEEK_CUR);
|
|
}
|
|
putc(c,cf);
|
|
recpos++;
|
|
}
|
|
pr_put(c)
|
|
{ static flag new = 1;
|
|
recpos++;
|
|
if(c=='\n')
|
|
{ new=1;
|
|
putc(c,cf);
|
|
}
|
|
else if(new==1)
|
|
{ new=0;
|
|
if(c=='0') putc('\n',cf);
|
|
else if(c=='1') putc('\f',cf);
|
|
}
|
|
else putc(c,cf);
|
|
}
|
|
x_wSL()
|
|
{
|
|
(*putn)('\n');
|
|
recpos=0;
|
|
cursor = 0;
|
|
hiwater = 0;
|
|
return(1);
|
|
}
|
|
xw_end()
|
|
{
|
|
if(nonl == 0)
|
|
(*putn)('\n');
|
|
hiwater = recpos = cursor = 0;
|
|
return(0);
|
|
}
|
|
xw_rev()
|
|
{
|
|
if(workdone) (*putn)('\n');
|
|
hiwater = recpos = cursor = 0;
|
|
return(workdone=0);
|
|
}
|