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- #include "f2c.h"
- #include "fio.h"
- #include "fmt.h"
-
- y_rsk(Void)
- {
- if(f__curunit->uend || f__curunit->url <= f__recpos
- || f__curunit->url == 1) return 0;
- do {
- getc(f__cf);
- } while(++f__recpos < f__curunit->url);
- return 0;
- }
- y_getc(Void)
- {
- int ch;
- if(f__curunit->uend) return(-1);
- if((ch=getc(f__cf))!=EOF)
- {
- f__recpos++;
- if(f__curunit->url>=f__recpos ||
- f__curunit->url==1)
- return(ch);
- else return(' ');
- }
- if(feof(f__cf))
- {
- f__curunit->uend=1;
- errno=0;
- return(-1);
- }
- err(f__elist->cierr,errno,"readingd");
- #ifdef __cplusplus
- return 0;
- #endif
- }
- #ifdef KR_headers
- y_putc(c)
- #else
- y_putc(int c)
- #endif
- {
- f__recpos++;
- if(f__recpos <= f__curunit->url || f__curunit->url==1)
- putc(c,f__cf);
- else
- err(f__elist->cierr,110,"dout");
- return(0);
- }
- y_rev(Void)
- { /*what about work done?*/
- if(f__curunit->url==1 || f__recpos==f__curunit->url)
- return(0);
- while(f__recpos<f__curunit->url)
- (*f__putn)(' ');
- f__recpos=0;
- return(0);
- }
- y_err(Void)
- {
- err(f__elist->cierr, 110, "dfe");
- #ifdef __cplusplus
- return 0;
- #endif
- }
-
- y_newrec(Void)
- {
- if(f__curunit->url == 1 || f__recpos == f__curunit->url) {
- f__hiwater = f__recpos = f__cursor = 0;
- return(1);
- }
- if(f__hiwater > f__recpos)
- f__recpos = f__hiwater;
- y_rev();
- f__hiwater = f__cursor = 0;
- return(1);
- }
-
- #ifdef KR_headers
- c_dfe(a) cilist *a;
- #else
- c_dfe(cilist *a)
- #endif
- {
- f__sequential=0;
- f__formatted=f__external=1;
- f__elist=a;
- f__cursor=f__scale=f__recpos=0;
- if(a->ciunit>MXUNIT || a->ciunit<0)
- err(a->cierr,101,"startchk");
- f__curunit = &f__units[a->ciunit];
- if(f__curunit->ufd==NULL && fk_open(DIR,FMT,a->ciunit))
- err(a->cierr,104,"dfe");
- f__cf=f__curunit->ufd;
- if(!f__curunit->ufmt) err(a->cierr,102,"dfe")
- if(!f__curunit->useek) err(a->cierr,104,"dfe")
- f__fmtbuf=a->cifmt;
- (void) fseek(f__cf,(long)f__curunit->url * (a->cirec-1),SEEK_SET);
- f__curunit->uend = 0;
- return(0);
- }
- #ifdef KR_headers
- integer s_rdfe(a) cilist *a;
- #else
- integer s_rdfe(cilist *a)
- #endif
- {
- int n;
- if(!f__init) f_init();
- if(n=c_dfe(a))return(n);
- f__reading=1;
- if(f__curunit->uwrt && f__nowreading(f__curunit))
- err(a->cierr,errno,"read start");
- f__getn = y_getc;
- f__doed = rd_ed;
- f__doned = rd_ned;
- f__dorevert = f__donewrec = y_err;
- f__doend = y_rsk;
- if(pars_f(f__fmtbuf)<0)
- err(a->cierr,100,"read start");
- fmt_bg();
- return(0);
- }
- #ifdef KR_headers
- integer s_wdfe(a) cilist *a;
- #else
- integer s_wdfe(cilist *a)
- #endif
- {
- int n;
- if(!f__init) f_init();
- if(n=c_dfe(a)) return(n);
- f__reading=0;
- if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit))
- err(a->cierr,errno,"startwrt");
- f__putn = y_putc;
- f__doed = w_ed;
- f__doned= w_ned;
- f__dorevert = y_err;
- f__donewrec = y_newrec;
- f__doend = y_rev;
- if(pars_f(f__fmtbuf)<0)
- err(a->cierr,100,"startwrt");
- fmt_bg();
- return(0);
- }
- integer e_rdfe(Void)
- {
- (void) en_fio();
- return(0);
- }
- integer e_wdfe(Void)
- {
- return en_fio();
- }
-