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87 lines
1.4 KiB
C
87 lines
1.4 KiB
C
/* 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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int
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xrd_SL(Void)
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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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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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{ int ch;
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if(f__curunit->uend) return(EOF);
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ch = getc(f__cf);
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if(ch!=EOF && ch!='\n')
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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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{ (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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{ 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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(void) xrd_SL();
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return(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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#ifdef KR_headers
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integer s_rsfe(a) cilist *a; /* start */
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#else
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integer s_rsfe(cilist *a) /* start */
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#endif
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{ int n;
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if(!f__init) f_init();
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if( (n=c_sfe(a)) ) return(n);
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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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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) 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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