98 lines
1.6 KiB
C
98 lines
1.6 KiB
C
/* read sequential formatted external */
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#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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xrd_SL (void)
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{
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int ch;
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if (!f__curunit->uend)
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while ((ch = getc (f__cf)) != '\n')
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if (ch == EOF)
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{
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f__curunit->uend = 1;
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break;
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}
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f__cursor = f__recpos = 0;
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return (1);
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}
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int
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x_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 (EOF);
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ch = getc (f__cf);
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if (ch != EOF && ch != '\n')
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{
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f__recpos++;
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return (ch);
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}
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if (ch == '\n')
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{
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(void) ungetc (ch, f__cf);
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return (ch);
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}
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if (f__curunit->uend || feof (f__cf))
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{
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errno = 0;
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f__curunit->uend = 1;
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return (-1);
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}
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return (-1);
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}
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int
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x_endp (void)
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{
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xrd_SL ();
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return f__curunit->uend == 1 ? EOF : 0;
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}
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int
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x_rev (void)
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{
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(void) xrd_SL ();
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return (0);
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}
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integer
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s_rsfe (cilist * a) /* start */
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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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f__sequential = 1;
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f__formatted = 1;
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f__external = 1;
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if ((n = c_sfe (a)))
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return (n);
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f__elist = a;
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f__cursor = f__recpos = 0;
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f__scale = 0;
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f__fmtbuf = a->cifmt;
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f__curunit = &f__units[a->ciunit];
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f__cf = f__curunit->ufd;
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if (pars_f (f__fmtbuf) < 0)
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err (a->cierr, 100, "startio");
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f__getn = x_getc;
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f__doed = rd_ed;
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f__doned = rd_ned;
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fmt_bg ();
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f__doend = x_endp;
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f__donewrec = xrd_SL;
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f__dorevert = x_rev;
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f__cblank = f__curunit->ublnk;
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f__cplus = 0;
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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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if (f__curunit->uend)
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err (f__elist->ciend, (EOF), "read start");
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return (0);
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}
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