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| Commit | Line | Data |
|---|---|---|
| 81fea2b1 JL |
1 | #include "f2c.h" |
| 2 | #include "fio.h" | |
| 3 | #include "fmt.h" | |
| 4 | ||
| 5 | y_rsk(Void) | |
| 6 | { | |
| 7 | if(f__curunit->uend || f__curunit->url <= f__recpos | |
| 8 | || f__curunit->url == 1) return 0; | |
| 9 | do { | |
| 10 | getc(f__cf); | |
| 11 | } while(++f__recpos < f__curunit->url); | |
| 12 | return 0; | |
| 13 | } | |
| 14 | y_getc(Void) | |
| 15 | { | |
| 16 | int ch; | |
| 17 | if(f__curunit->uend) return(-1); | |
| 18 | if((ch=getc(f__cf))!=EOF) | |
| 19 | { | |
| 20 | f__recpos++; | |
| 21 | if(f__curunit->url>=f__recpos || | |
| 22 | f__curunit->url==1) | |
| 23 | return(ch); | |
| 24 | else return(' '); | |
| 25 | } | |
| 26 | if(feof(f__cf)) | |
| 27 | { | |
| 28 | f__curunit->uend=1; | |
| 29 | errno=0; | |
| 30 | return(-1); | |
| 31 | } | |
| 32 | err(f__elist->cierr,errno,"readingd"); | |
| 33 | } | |
| a843efa0 CB |
34 | |
| 35 | static int | |
| 81fea2b1 | 36 | y_rev(Void) |
| a843efa0 CB |
37 | { |
| 38 | if (f__recpos < f__hiwater) | |
| 39 | f__recpos = f__hiwater; | |
| 40 | if (f__curunit->url > 1) | |
| 41 | while(f__recpos < f__curunit->url) | |
| 42 | (*f__putn)(' '); | |
| 43 | if (f__recpos) | |
| 44 | f__putbuf(0); | |
| 45 | f__recpos = 0; | |
| 81fea2b1 JL |
46 | return(0); |
| 47 | } | |
| a843efa0 CB |
48 | |
| 49 | static int | |
| 81fea2b1 JL |
50 | y_err(Void) |
| 51 | { | |
| 52 | err(f__elist->cierr, 110, "dfe"); | |
| 53 | } | |
| 54 | ||
| a843efa0 | 55 | static int |
| 81fea2b1 JL |
56 | y_newrec(Void) |
| 57 | { | |
| 81fea2b1 JL |
58 | y_rev(); |
| 59 | f__hiwater = f__cursor = 0; | |
| 60 | return(1); | |
| 61 | } | |
| 62 | ||
| 63 | #ifdef KR_headers | |
| 64 | c_dfe(a) cilist *a; | |
| 65 | #else | |
| 66 | c_dfe(cilist *a) | |
| 67 | #endif | |
| 68 | { | |
| 69 | f__sequential=0; | |
| 70 | f__formatted=f__external=1; | |
| 71 | f__elist=a; | |
| 72 | f__cursor=f__scale=f__recpos=0; | |
| 73 | if(a->ciunit>MXUNIT || a->ciunit<0) | |
| 74 | err(a->cierr,101,"startchk"); | |
| 75 | f__curunit = &f__units[a->ciunit]; | |
| 76 | if(f__curunit->ufd==NULL && fk_open(DIR,FMT,a->ciunit)) | |
| 77 | err(a->cierr,104,"dfe"); | |
| 78 | f__cf=f__curunit->ufd; | |
| 79 | if(!f__curunit->ufmt) err(a->cierr,102,"dfe"); | |
| 80 | if(!f__curunit->useek) err(a->cierr,104,"dfe"); | |
| 81 | f__fmtbuf=a->cifmt; | |
| 82 | if(a->cirec <= 0) | |
| 83 | err(a->cierr,130,"dfe"); | |
| 6d3e8f62 | 84 | fseek(f__cf,(long)f__curunit->url * (a->cirec-1),SEEK_SET); |
| 81fea2b1 JL |
85 | f__curunit->uend = 0; |
| 86 | return(0); | |
| 87 | } | |
| 88 | #ifdef KR_headers | |
| 89 | integer s_rdfe(a) cilist *a; | |
| 90 | #else | |
| 91 | integer s_rdfe(cilist *a) | |
| 92 | #endif | |
| 93 | { | |
| 94 | int n; | |
| 95 | if(f__init != 1) f_init(); | |
| 96 | f__init = 3; | |
| 97 | f__reading=1; | |
| 98 | if(n=c_dfe(a))return(n); | |
| 99 | if(f__curunit->uwrt && f__nowreading(f__curunit)) | |
| 100 | err(a->cierr,errno,"read start"); | |
| 101 | f__getn = y_getc; | |
| 102 | f__doed = rd_ed; | |
| 103 | f__doned = rd_ned; | |
| 104 | f__dorevert = f__donewrec = y_err; | |
| 105 | f__doend = y_rsk; | |
| 106 | if(pars_f(f__fmtbuf)<0) | |
| 107 | err(a->cierr,100,"read start"); | |
| 108 | fmt_bg(); | |
| 109 | return(0); | |
| 110 | } | |
| 111 | #ifdef KR_headers | |
| 112 | integer s_wdfe(a) cilist *a; | |
| 113 | #else | |
| 114 | integer s_wdfe(cilist *a) | |
| 115 | #endif | |
| 116 | { | |
| 117 | int n; | |
| 118 | if(f__init != 1) f_init(); | |
| 119 | f__init = 3; | |
| 120 | f__reading=0; | |
| 121 | if(n=c_dfe(a)) return(n); | |
| 122 | if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit)) | |
| 123 | err(a->cierr,errno,"startwrt"); | |
| a843efa0 | 124 | f__putn = x_putc; |
| 81fea2b1 JL |
125 | f__doed = w_ed; |
| 126 | f__doned= w_ned; | |
| 127 | f__dorevert = y_err; | |
| 128 | f__donewrec = y_newrec; | |
| 129 | f__doend = y_rev; | |
| 130 | if(pars_f(f__fmtbuf)<0) | |
| 131 | err(a->cierr,100,"startwrt"); | |
| 132 | fmt_bg(); | |
| 133 | return(0); | |
| 134 | } | |
| 135 | integer e_rdfe(Void) | |
| 136 | { | |
| 137 | f__init = 1; | |
| a843efa0 | 138 | en_fio(); |
| 81fea2b1 JL |
139 | return(0); |
| 140 | } |