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Viewing changes to routines/f2c/libf2c/rsfe.c

  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2002-03-21 16:57:43 UTC
  • Revision ID: james.westby@ubuntu.com-20020321165743-e9mv12c1tb1plztg
Tags: upstream-2.6
Import upstream version 2.6

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routines/f2c/libf2c/rsfe.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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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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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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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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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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}