71 lines
1.1 KiB
C
71 lines
1.1 KiB
C
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/* read sequential formatted external */
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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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extern int x_getc(),rd_ed(),rd_ned();
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extern int x_endp(),x_rev(),xrd_SL();
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integer s_rsfe(a) cilist *a; /* start */
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{ int n;
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if(!init) f_init();
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if(n=c_sfe(a)) return(n);
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reading=1;
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sequential=1;
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formatted=1;
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external=1;
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elist=a;
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cursor=recpos=0;
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scale=0;
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fmtbuf=a->cifmt;
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curunit= &units[a->ciunit];
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cf=curunit->ufd;
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if(pars_f(fmtbuf)<0) err(a->cierr,100,"startio");
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getn= x_getc;
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doed= rd_ed;
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doned= rd_ned;
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fmt_bg();
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doend=x_endp;
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donewrec=xrd_SL;
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dorevert=x_rev;
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cblank=curunit->ublnk;
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cplus=0;
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if(curunit->uwrt && nowreading(curunit))
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err(a->cierr,errno,"read start");
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return(0);
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}
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xrd_SL()
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{ int ch;
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if(!curunit->uend)
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while((ch=getc(cf))!='\n' && ch!=EOF);
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cursor=recpos=0;
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return(1);
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}
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x_getc()
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{ int ch;
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if(curunit->uend) return(EOF);
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ch = getc(cf);
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if(ch!=EOF && ch!='\n')
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{ recpos++;
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return(ch);
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}
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if(ch=='\n')
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{ (void) ungetc(ch,cf);
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return(ch);
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}
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if(curunit->uend || feof(cf))
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{ errno=0;
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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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x_endp()
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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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x_rev()
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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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