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