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f8d92613d0
2001-07-06 Toon Moene <toon@moene.indiv.nluug.nl>
Pedro Vazquez <vazquez@penelope.iqm.unicamp.br>
* configure.in: Check for fseeko, ftello.
* configure: Rebuilt.
* config.h.in: Rebuilt.
* fio.h: Define FSEEK to be fseek or fseeko, depending
on configure's findings. Ditto for FTELL and ftell / ftello.
* backspace.c (f_back): Use FSEEK for fseek, FTELL for ftell.
* dfe.c (c_dfe): Ditto.
* due.c (c_due, e_rdue): Ditto.
* endfile.c (t_runc): Ditto.
* err.c (f__nowreading, f__nowwriting): Ditto.
* ftell_.c (G77_ftell_0, G77_fseek_0): Ditto.
* inquire.c (f_inqu): Ditto.
* open.c (f_open): Ditto.
* rdfmt.c (rd_ed): Ditto.
* sue.c (s_wsue, e_wsue, e_rsue): Ditto.
Co-Authored-By: Pedro Vazquez <vazquez@penelope.iqm.unicamp.br>
From-SVN: r43806
77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
#include "config.h"
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#include "f2c.h"
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#include "fio.h"
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#ifdef KR_headers
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c_due(a) cilist *a;
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#else
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c_due(cilist *a)
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#endif
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{
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if(f__init != 1) f_init();
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f__init = 3;
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if(a->ciunit>=MXUNIT || a->ciunit<0)
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err(a->cierr,101,"startio");
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f__sequential=f__formatted=f__recpos=0;
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f__external=1;
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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,"startio");
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f__elist=a;
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if(f__curunit->ufd==NULL && fk_open(DIR,UNF,a->ciunit) ) err(a->cierr,104,"due");
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f__cf=f__curunit->ufd;
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if(f__curunit->ufmt) err(a->cierr,102,"cdue");
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if(!f__curunit->useek) err(a->cierr,104,"cdue");
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if(f__curunit->ufd==NULL) err(a->cierr,114,"cdue");
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if(a->cirec <= 0)
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err(a->cierr,130,"due");
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FSEEK(f__cf,(a->cirec-1)*f__curunit->url,SEEK_SET);
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f__curunit->uend = 0;
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return(0);
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}
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#ifdef KR_headers
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integer s_rdue(a) cilist *a;
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#else
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integer s_rdue(cilist *a)
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#endif
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{
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int n;
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f__reading=1;
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if(n=c_due(a)) 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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return(0);
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}
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#ifdef KR_headers
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integer s_wdue(a) cilist *a;
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#else
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integer s_wdue(cilist *a)
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#endif
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{
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int n;
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f__reading=0;
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if(n=c_due(a)) return(n);
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if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit))
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err(a->cierr,errno,"write start");
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return(0);
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}
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integer e_rdue(Void)
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{
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f__init = 1;
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if(f__curunit->url==1 || f__recpos==f__curunit->url)
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return(0);
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FSEEK(f__cf,(f__curunit->url-f__recpos),SEEK_CUR);
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if(FTELL(f__cf)%f__curunit->url)
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err(f__elist->cierr,200,"syserr");
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return(0);
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}
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integer e_wdue(Void)
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{
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f__init = 1;
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#ifdef ALWAYS_FLUSH
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if (fflush(f__cf))
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err(f__elist->cierr,errno,"write end");
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#endif
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return(e_rdue());
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}
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