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- # include "stdio.h"
- # include "ctype.h"
-
- static int eof 0;
- static long lp, lim;
- static int alph, used, prevc;
- static char *p, key[20];
-
- dofile(f, name)
- FILE *f;
- char *name;
- {
-
- /* read file f & spit out keys & ptrs */
- # define MAXLINE 500
- char line[MAXLINE], *s;
- extern int minlen, keycount, labels;
- int c;
- long grec();
- extern int wholefile;
- extern char *iglist;
- alph=used=prevc=eof=0;
-
- lp=0;
- if (wholefile==0)
- while (lim = grec(line,f))
- {
- # if D1
- fprintf(stderr, "line: /%s",line);
- # endif
- used=alph=0;
- p = key;
- for(s=line; (c= *s) && (used<keycount); s++)
- chkey(c, name);
- lp += lim;
- if (used) putchar('\n');
- }
- else
- {
- p=key;
- used=alph=0;
- while ( (c=getc(f)) != EOF && used<keycount)
- chkey (c, name);
- if (used) putchar('\n');
- }
- fclose(f);
- }
-
- outkey( ky, lead, trail)
- char *ky;
- {
- int n;
- n = strlen(ky);
- if (n<minlen) return (0);
- if (n<3)
- {
- if (trail == '.') return(0);
- if (mindex(".%,!#$%&'();+:*", lead)!=0) return(0);
- }
- if (isdigit(ky[0]))
- if (ky[0] != '1' || ky[1] != '9' || n!= 4) return(0);
- if (common(ky))
- return(0);
- return(1);
- }
- long grec (s, f)
- char *s;
- FILE *f;
- {
- char tm[200];
- int curtype 0;
- long len 0L, tlen 0L;
- extern int wholefile;
- if (eof) return(0);
- *s = 0;
- while (fgets(tm, 200, f))
- {
- tlen += strlen(tm);
- if (tm[0] == '%' || tm[0] == '.')
- curtype = tm[1];
- if (tlen < MAXLINE && mindex(iglist,curtype)==0)
- strcat(s, tm);
- len = tlen;
- if (wholefile==0 && tm[0] == '\n')
- return(len);
- if (wholefile>0 && len >= MAXLINE)
- {
- fseek (f, 0L, 2);
- return(ftell(f));
- }
- }
- eof=1;
- return(s[0] ? len : 0L);
- }
- trimnl(ln)
- char *ln;
- {
- register char *p ln;
- while (*p) p++;
- p--;
- if (*p == '\n') *p=0;
- return(ln);
- }
- chkey (c, name)
- {
- if (isalpha(c) || isdigit(c))
- {
- if (alph++ < 6)
- *p++ = c;
- }
- else
- {
- *p = 0;
- for(p=key; *p; p++)
- *p |= 040;
- if (outkey(p=key,prevc,c))
- {
- if (used==0)
- {
- if (labels)
- {
- if (wholefile==0)
- printf("%s:%ld,%ld\t", name, lp, lim);
- else
- printf("%s\t", name);
- }
- }
- else
- putchar(' ');
- fputs(key, stdout);
- used++;
- }
- prevc=c;
- alph=0;
- }
- }
-