projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8662e665 PW |
1 | /* read sequential formatted external */ |
| 2 | #include "fio.h" | |
| 3 | #include "fmt.h" | |
| 4 | extern int x_getc(),rd_ed(),rd_ned(); | |
| 5 | extern int x_endp(),x_rev(),xrd_SL(); | |
| 6 | s_rsfe(a) cilist *a; /* start */ | |
| 7 | { int n; | |
| 8 | if(!init) f_init(); | |
| 9 | if(n=c_sfe(a,READ)) return(n); | |
| 10 | reading=1; | |
| 11 | sequential=1; | |
| 12 | formatted=1; | |
| 13 | external=1; | |
| 14 | elist=a; | |
| 15 | cursor=recpos=0; | |
| 16 | scale=0; | |
| 17 | fmtbuf=a->cifmt; | |
| 18 | if(pars_f(fmtbuf)<0) err(a->cierr,100,"startio"); | |
| 19 | curunit= &units[a->ciunit]; | |
| 20 | cf=curunit->ufd; | |
| 21 | getn= x_getc; | |
| 22 | doed= rd_ed; | |
| 23 | doned= rd_ned; | |
| 24 | fmt_bg(); | |
| 25 | doend=x_endp; | |
| 26 | donewrec=xrd_SL; | |
| 27 | dorevert=x_rev; | |
| 28 | cblank=curunit->ublnk; | |
| 29 | cplus=0; | |
| 30 | if(curunit->uwrt) nowreading(curunit); | |
| 31 | return(0); | |
| 32 | } | |
| 33 | xrd_SL() | |
| 34 | { int ch; | |
| 35 | if(!curunit->uend) | |
| 36 | while((ch=getc(cf))!='\n' && ch!=EOF); | |
| 37 | cursor=recpos=0; | |
| 38 | return(1); | |
| 39 | } | |
| 40 | x_getc() | |
| 41 | { int ch; | |
| 42 | if(curunit->uend) return(EOF); | |
| 43 | if((ch=getc(cf))!=EOF && ch!='\n') | |
| 44 | { recpos++; | |
| 45 | return(ch); | |
| 46 | } | |
| 47 | if(ch=='\n') | |
| 48 | { ungetc(ch,cf); | |
| 49 | return(ch); | |
| 50 | } | |
| 51 | if(feof(cf)) | |
| 52 | { errno=0; | |
| 53 | curunit->uend=1; | |
| 54 | return(-1); | |
| 55 | } | |
| 56 | return(-1); | |
| 57 | } | |
| 58 | x_endp() | |
| 59 | { | |
| 60 | xrd_SL(); | |
| 61 | return(0); | |
| 62 | } | |
| 63 | x_rev() | |
| 64 | { | |
| 65 | xrd_SL(); | |
| 66 | return(0); | |
| 67 | } |