+/*
+ * formatted read routines
+ */
+
+#include "fio.h"
+#include "fmt.h"
+
+#define isdigit(c) (c>='0' && c<='9')
+#define isalpha(c) (c>='a' && c<='z')
+
+rd_ed(p,ptr,len) char *ptr; struct syl *p; ftnlen len;
+{ int n;
+ if(cursor && (n=rd_mvcur())) return(n);
+ switch(p->op)
+ {
+ case I:
+ case IM:
+ n = (rd_I(ptr,p->p1,len));
+ break;
+ case L:
+ n = (rd_L(ptr,p->p1));
+ break;
+ case A:
+ p->p1 = len; /* cheap trick */
+ case AW:
+ n = (rd_AW(ptr,p->p1,len));
+ break;
+ case E:
+ case EE:
+ case D:
+ case DE:
+ case G:
+ case GE:
+ case F:
+ n = (rd_F(ptr,p->p1,p->p2,len));
+ break;
+ default:
+ return(errno=100);
+ }
+ if (n < 0)
+ {
+ if(feof(cf)) return(EOF);
+ n = errno;
+ clearerr(cf);
+ }
+ return(n);
+}
+
+rd_ned(p,ptr) char *ptr; struct syl *p;
+{
+ switch(p->op)
+ {
+/* case APOS:
+/* return(rd_POS(p->p1));
+/* case H:
+/* return(rd_H(p->p1,p->p2)); */
+ case SLASH:
+ return((*donewrec)());
+ case TR:
+ case X:
+ cursor += p->p1;
+ tab = (p->op==TR);
+ return(OK);
+ case T:
+ if(p->p1) cursor = p->p1 - recpos - 1;
+#ifndef KOSHER
+ else cursor = 8*p->p2 - recpos%8; /* NOT STANDARD FORT */
+#endif
+ tab = YES;
+ return(OK);
+ case TL:
+ cursor -= p->p1;
+ tab = YES;
+ return(OK);
+ default:
+ return(errno=100);
+ }
+}
+
+rd_mvcur()
+{ int n;
+ if(tab) return((*dotab)());
+ while(cursor--) if((n=(*getn)()) < 0) return(n);
+ return(cursor=0);
+}
+
+rd_I(n,w,len) ftnlen len; uint *n;
+{ long x=0;
+ int i,sign=0,ch,c;
+ for(i=0;i<w;i++)
+ {
+ if((ch=(*getn)())<0) return(ch);
+ switch(ch=lcase(ch))
+ {
+ case ',': goto done;
+ case '+': break;
+ case '-':
+ sign=1;
+ break;
+ case ' ':
+ if(cblank) x *= radix;
+ break;
+ case '\n': goto done;
+ default:
+ if(isdigit(ch))
+ { if ((c=(ch-'0')) < radix)
+ { x = (x * radix) + c;
+ break;
+ }
+ }
+ else if(isalpha(ch))
+ { if ((c=(ch-'a'+10)) < radix)
+ { x = (x * radix) + c;
+ break;
+ }
+ }
+ return(errno=115);
+ }
+ }
+done:
+ if(sign) x = -x;
+ if(len==sizeof(short)) n->is=x;
+ else n->il=x;
+ return(OK);
+}
+
+rd_L(n,w) ftnint *n;
+{ int ch,i,v = -1;
+ for(i=0;i<w;i++)
+ { if((ch=(*getn)()) < 0) return(ch);
+ if((ch=lcase(ch))=='t' && v==-1) v=1;
+ else if(ch=='f' && v==-1) v=0;
+ else if(ch==',') break;
+ }
+ if(v==-1) return(errno=116);
+ *n=v;
+ return(OK);
+}
+
+rd_F(p,w,d,len) ftnlen len; ufloat *p;
+{ double x,y;
+ int i,sx,sz,ch,dot,ny,z,sawz;
+ x=y=0;
+ sawz=z=ny=dot=sx=sz=0;
+ for(i=0;i<w;)
+ { i++;
+ if((ch=(*getn)())<0) return(ch);
+ ch=lcase(ch);
+ if(ch==' ' && !cblank || ch=='+') continue;
+ else if(ch=='-') sx=1;
+ else if(ch<='9' && ch>='0')
+ x=10*x+ch-'0';
+ else if(ch=='e' || ch=='d' || ch=='.')
+ break;
+ else if(cblank && ch==' ') x*=10;
+ else if(ch==',')
+ { i=w;
+ break;
+ }
+ else if(ch!='\n') return(errno=115);
+ }
+ if(ch=='.') dot=1;
+ while(i<w && ch!='e' && ch!='d' && ch!='+' && ch!='-')
+ { i++;
+ if((ch=(*getn)())<0) return(ch);
+ ch = lcase(ch);
+ if(ch<='9' && ch>='0')
+ y=10*y+ch-'0';
+ else if(cblank && ch==' ')
+ y *= 10;
+ else if(ch==',') {i=w; break;}
+ else if(ch==' ') continue;
+ else continue;
+ ny++;
+ }
+ if(ch=='-') sz=1;
+ while(i<w)
+ { i++;
+ sawz=1;
+ if((ch=(*getn)())<0) return(ch);
+ ch = lcase(ch);
+ if(ch=='-') sz=1;
+ else if(ch<='9' && ch>='0')
+ z=10*z+ch-'0';
+ else if(cblank && ch==' ')
+ z *= 10;
+ else if(ch==',') break;
+ else if(ch==' ') continue;
+ else if(ch=='+') continue;
+ else if(ch!='\n') return(errno=115);
+ }
+ if(!dot)
+ for(i=0;i<d;i++) x /= 10;
+ for(i=0;i<ny;i++) y /= 10;
+ x=x+y;
+ if(sz)
+ for(i=0;i<z;i++) x /=10;
+ else for(i=0;i<z;i++) x *= 10;
+ if(sx) x = -x;
+ if(!sawz)
+ {
+ for(i=scale;i>0;i--) x /= 10;
+ for(i=scale;i<0;i++) x *= 10;
+ }
+ if(len==sizeof(float)) p->pf=x;
+ else p->pd=x;
+ return(OK);
+}
+
+rd_AW(p,w,len) char *p; ftnlen len;
+{ int i,ch;
+ if(w >= len)
+ {
+ for(i=0;i<w-len;i++) GET(ch);
+ for(i=0;i<len;i++)
+ { GET(ch);
+ *p++=VAL(ch);
+ }
+ }
+ else
+ {
+ for(i=0;i<w;i++)
+ { GET(ch);
+ *p++=VAL(ch);
+ }
+ for(i=0;i<len-w;i++) *p++=' ';
+ }
+ return(OK);
+}
+
+/* THIS IS NOT ALLOWED IN THE NEW STANDARD 'CAUSE IT'S WEIRD */
+/*rd_H(n,s) char *s;
+/*{ int i,ch;
+/* for(i=0;i<n;i++)
+/* if((ch=(*getn)())<0) return(ch);
+/* else if(ch=='\n') for(;i<n;i++) *s++ = ' ';
+/* else *s++ = ch;
+/* return(OK);
+/*}
+*/
+/*rd_POS(s) char *s;
+/*{ char quote;
+/* int ch;
+/* quote= *s++;
+/* for(;*s;s++)
+/* if(*s==quote && *(s+1)!=quote) break;
+/* else if((ch=(*getn)())<0) return(ch);
+/* else *s = ch=='\n'?' ':ch;
+/* return(OK);
+/*}
+*/
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