dfe.c File Reference

#include "f2c.h"
#include "fio.h"
#include "fmt.h"

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Functions
int	y_rsk (Void)
int	y_getc (Void)
static int	y_rev (Void)
static int	y_err (Void)
static int	y_newrec (Void)
int	c_dfe (cilist *a)
integer	s_rdfe (cilist *a)
integer	s_wdfe (cilist *a)
integer	e_rdfe (Void)
integer	e_wdfe (Void)

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Function Documentation

int c_dfe

(

cilist *

a

)

Definition at line 73 of file dfe.c.

References a, DIR, err, f__cf, f__cursor, f__curunit, f__elist, f__external, f__fmtbuf, f__formatted, f__recpos, f__scale, f__sequential, f__units, fk_open(), FMT, FSEEK, MXUNIT, NULL, OFF_T, SEEK_SET, unit::uend, unit::ufd, unit::ufmt, unit::url, and unit::useek.

Referenced by s_rdfe(), and s_wdfe().

{
        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")
        FSEEK(f__cf,(OFF_T)f__curunit->url * (a->cirec-1),SEEK_SET);
        f__curunit->uend = 0;
        return(0);
}

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integer e_rdfe

(

Void

)

Definition at line 140 of file dfe.c.

References en_fio().

{
        en_fio();
        return 0;
}

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integer e_wdfe

(

Void

)

Definition at line 145 of file dfe.c.

References en_fio().

{
        return en_fio();
}

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integer s_rdfe

(

cilist *

a

)

Definition at line 98 of file dfe.c.

References a, c_dfe(), err, errno, f__curunit, f__doed, f__doend, f__doned, f__donewrec, f__dorevert, f__fmtbuf, f__getn, f__init, f__nowreading(), f__reading, f_init(), fmt_bg(), n, pars_f(), rd_ed(), rd_ned(), unit::uwrt, y_err(), y_getc(), and y_rsk().

{
        int n;
        if(!f__init) f_init();
        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);
}

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integer s_wdfe

(

cilist *

a

)

Definition at line 120 of file dfe.c.

References a, c_dfe(), err, errno, f__curunit, f__doed, f__doend, f__doned, f__donewrec, f__dorevert, f__fmtbuf, f__init, f__nowwriting(), f__putn, f__reading, f_init(), fmt_bg(), n, pars_f(), unit::uwrt, w_ed(), w_ned(), x_putc(), y_err(), y_newrec(), and y_rev().

{
        int n;
        if(!f__init) f_init();
        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);
}

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static int y_err

(

Void

)

[static]

Definition at line 56 of file dfe.c.

References cilist::cierr, err, and f__elist.

Referenced by s_rdfe(), and s_wdfe().

{
        err(f__elist->cierr, 110, "dfe");
}

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int y_getc

(

Void

)

Definition at line 20 of file dfe.c.

References cilist::cierr, err, errno, f__cf, f__curunit, f__elist, f__recpos, unit::uend, and unit::url.

Referenced by s_rdfe().

{
        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");
}

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static int y_newrec

(

Void

)

[static]

Definition at line 62 of file dfe.c.

References f__cursor, f__hiwater, and y_rev().

Referenced by s_wdfe().

{
        y_rev();
        f__hiwater = f__cursor = 0;
        return(1);
}

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static int y_rev

(

Void

)

[static]

Definition at line 42 of file dfe.c.

References f__curunit, f__hiwater, f__putbuf(), f__recpos, and unit::url.

Referenced by s_wdfe(), and y_newrec().

{
        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);
}

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int y_rsk

(

Void

)

Definition at line 9 of file dfe.c.

References f__cf, f__curunit, f__recpos, unit::uend, and unit::url.

Referenced by s_rdfe().

{
        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;
}

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