mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-24 01:07:21 +01:00
147 lines
2.6 KiB
C
147 lines
2.6 KiB
C
#include "f2c.h"
|
|
#include "fio.h"
|
|
#include "fmt.h"
|
|
|
|
y_rsk(Void)
|
|
{
|
|
if(f__curunit->uend || f__curunit->url <= f__recpos
|
|
|| f__curunit->url == 1) return 0;
|
|
do {
|
|
getc(f__cf);
|
|
} while(++f__recpos < f__curunit->url);
|
|
return 0;
|
|
}
|
|
y_getc(Void)
|
|
{
|
|
int ch;
|
|
if(f__curunit->uend) return(-1);
|
|
if((ch=getc(f__cf))!=EOF)
|
|
{
|
|
f__recpos++;
|
|
if(f__curunit->url>=f__recpos ||
|
|
f__curunit->url==1)
|
|
return(ch);
|
|
else return(' ');
|
|
}
|
|
if(feof(f__cf))
|
|
{
|
|
f__curunit->uend=1;
|
|
errno=0;
|
|
return(-1);
|
|
}
|
|
err(f__elist->cierr,errno,"readingd");
|
|
}
|
|
|
|
static int
|
|
y_rev(Void)
|
|
{
|
|
if (f__recpos < f__hiwater)
|
|
f__recpos = f__hiwater;
|
|
if (f__curunit->url > 1)
|
|
while(f__recpos < f__curunit->url)
|
|
(*f__putn)(' ');
|
|
if (f__recpos)
|
|
f__putbuf(0);
|
|
f__recpos = 0;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
y_err(Void)
|
|
{
|
|
err(f__elist->cierr, 110, "dfe");
|
|
}
|
|
|
|
static int
|
|
y_newrec(Void)
|
|
{
|
|
y_rev();
|
|
f__hiwater = f__cursor = 0;
|
|
return(1);
|
|
}
|
|
|
|
#ifdef KR_headers
|
|
c_dfe(a) cilist *a;
|
|
#else
|
|
c_dfe(cilist *a)
|
|
#endif
|
|
{
|
|
f__sequential=0;
|
|
f__formatted=f__external=1;
|
|
f__elist=a;
|
|
f__cursor=f__scale=f__recpos=0;
|
|
f__curunit = &f__units[a->ciunit];
|
|
if(a->ciunit>MXUNIT || a->ciunit<0)
|
|
err(a->cierr,101,"startchk");
|
|
if(f__curunit->ufd==NULL && fk_open(DIR,FMT,a->ciunit))
|
|
err(a->cierr,104,"dfe");
|
|
f__cf=f__curunit->ufd;
|
|
if(!f__curunit->ufmt) err(a->cierr,102,"dfe");
|
|
if(!f__curunit->useek) err(a->cierr,104,"dfe");
|
|
f__fmtbuf=a->cifmt;
|
|
if(a->cirec <= 0)
|
|
err(a->cierr,130,"dfe");
|
|
(void) fseek(f__cf,(long)f__curunit->url * (a->cirec-1),SEEK_SET);
|
|
f__curunit->uend = 0;
|
|
return(0);
|
|
}
|
|
#ifdef KR_headers
|
|
integer s_rdfe(a) cilist *a;
|
|
#else
|
|
integer s_rdfe(cilist *a)
|
|
#endif
|
|
{
|
|
int n;
|
|
if(f__init != 1) f_init();
|
|
f__init = 3;
|
|
f__reading=1;
|
|
if(n=c_dfe(a))return(n);
|
|
if(f__curunit->uwrt && f__nowreading(f__curunit))
|
|
err(a->cierr,errno,"read start");
|
|
f__getn = y_getc;
|
|
f__doed = rd_ed;
|
|
f__doned = rd_ned;
|
|
f__dorevert = f__donewrec = y_err;
|
|
f__doend = y_rsk;
|
|
if(pars_f(f__fmtbuf)<0)
|
|
err(a->cierr,100,"read start");
|
|
fmt_bg();
|
|
return(0);
|
|
}
|
|
#ifdef KR_headers
|
|
integer s_wdfe(a) cilist *a;
|
|
#else
|
|
integer s_wdfe(cilist *a)
|
|
#endif
|
|
{
|
|
int n;
|
|
if(f__init != 1) f_init();
|
|
f__init = 3;
|
|
f__reading=0;
|
|
if(n=c_dfe(a)) return(n);
|
|
if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit))
|
|
err(a->cierr,errno,"startwrt");
|
|
f__putn = x_putc;
|
|
f__doed = w_ed;
|
|
f__doned= w_ned;
|
|
f__dorevert = y_err;
|
|
f__donewrec = y_newrec;
|
|
f__doend = y_rev;
|
|
if(pars_f(f__fmtbuf)<0)
|
|
err(a->cierr,100,"startwrt");
|
|
fmt_bg();
|
|
return(0);
|
|
}
|
|
integer e_rdfe(Void)
|
|
{
|
|
f__init = 1;
|
|
en_fio();
|
|
return(0);
|
|
}
|
|
|
|
integer e_wdfe(Void)
|
|
{
|
|
f__init = 1;
|
|
return en_fio();
|
|
}
|