Bell 32V development

Work on file usr/src/cmd/refer/hunt1.c

Co-Authored-By: John Reiser <jfr@research.uucp>
Synthesized-from: 32v

diff --git a/usr/src/cmd/refer/hunt1.c b/usr/src/cmd/refer/hunt1.c
new file mode 100644 (file)
index 0000000..6c6ddc9
--- /dev/null
+++ b/usr/src/cmd/refer/hunt1.c
@@ -0,0 +1,227 @@
+# include "stdio.h"
+# include "assert.h"
+extern char refdir[];
+extern int keepold;
+extern char *fgnames[];
+extern char **fgnamp;
+FILE *fd = 0;
+int lmaster = 500;
+int *hfreq, hfrflg;
+int colevel = 0;
+int soutlen = 1000;
+int reached = 0;
+int iflong = 0;
+int prfreqs = 0;
+char usedir[100];
+char gfile[50];
+static int full = 1000;
+static int tags = 0;
+char *sinput, *soutput, *tagout;
+long indexdate = 0, gdate();
+extern char *todir();
+
+main(argc,argv)
+       char *argv[];
+{
+/* read query from stdin, expect name of indexes in argv[1] */
+static FILE *fa, *fb, *fc;
+char nma[100], nmb[100], nmc[100], *qitem[100], *rprog = 0;
+char nmd[100], grepquery[256];
+static char oldname[30] ;
+static int was = 0;
+/* these pointers are unions of pointer to int and pointer to long */
+long *hpt;
+unsigned *master = 0;
+int falseflg, nhash, nitem, nfound, frtbl, kk;
+
+       /* special wart for refpart: default is tags only */
+
+while (argv[1][0] == '-')
+       {
+       switch(argv[1][1])
+               {
+               case 'a': /* all output, incl. false drops */
+                       falseflg = 1; break;
+               case 'r':
+                       argc--; argv++;
+                       rprog = argv[1];
+                       break;
+               case 'F': /* put out full text */
+                       full = setfrom(argv[1][2]);
+                       break;
+               case 'T': /* put out tags */
+                       tags = setfrom(argv[1][2]);
+                       break;
+               case 'i': /* input in argument string */
+                       argc--; argv++;
+                       sinput = argv[1];
+                       break;
+               case 's': /*text output to string */
+               case 'o':
+                       argc--; argv++;
+                       soutput = argv[1];
+                       if (argv[2]<16000)
+                               {
+                               soutlen = argv[2];
+                               argc--; argv++;
+                               }
+                       break;
+               case 't': /*tag output to string */
+                       argc--; argv++;
+                       tagout = argv[1];
+                       break;
+               case 'l': /* length of internal lists */
+                       argc--; argv++;
+                       lmaster = atoi(argv[1]);
+                       break;
+               case 'g': /* suppress fgrep search on old files */
+                       keepold = 0;
+                       break;
+               case 'C': /* coordination level */
+                       colevel = atoi(argv[1]+2);
+# if D1
+fprintf(stderr, "colevel set to %d\n",colevel);
+# endif
+                       break;
+               case 'P': /* print term freqs */
+                       prfreqs=1; break;
+               }
+       argc--; argv++;
+       }
+strcpy (nma, todir(argv[1]));
+if (was == 0 || strcmp (oldname, nma) !=0)
+       {
+       strcpy (oldname,nma);
+       strcpy (nmb, nma); strcpy (nmc, nmb); strcpy(nmd,nma);
+       strcat (nma, ".ia");
+       strcat (nmb, ".ib");
+       strcat (nmc, ".ic");
+       strcat (nmd, ".id");
+       if (was)
+               {fclose(fa); fclose(fb); fclose(fc);}
+
+       fa = fopen(nma, "r");
+       if (fa==NULL)
+               {
+               err("No files %s",nma);
+               exit(1);
+               }
+       fb = fopen(nmb, "r");
+       fc = fopen(nmc, "r");
+       was =1;
+       if (fb== NULL || fc ==NULL)
+               {
+               err("Index incomplete %s", nmb);
+               exit(1);
+               }
+       indexdate = gdate(fb);
+       fd = fopen(nmd, "r");
+       }
+fseek (fa, 0L, 0);
+fread (&nhash, sizeof(nhash), 1, fa);
+fread (&iflong, sizeof(iflong), 1, fa);
+if(master==0)
+master = calloc (lmaster, iflong? sizeof(long): sizeof(int));
+hpt = calloc(nhash, sizeof(*hpt));
+kk=fread( hpt, sizeof(*hpt), nhash, fa);
+# if D1
+fprintf(stderr,"read %d hashes, iflong %d, nhash %d\n", kk, iflong, nhash);
+# endif
+_assert (kk==nhash);
+hfreq = calloc(nhash, sizeof(*hfreq));
+_assert (hfreq != NULL);
+frtbl = fread(hfreq, sizeof(*hfreq), nhash, fa);
+hfrflg = (frtbl == nhash);
+# if D1
+fprintf(stderr, "read freqs %d\n", frtbl);
+# endif
+
+while (1)
+       {
+       nitem = getq(qitem);
+       if (nitem==0) continue;
+       if (nitem < 0) break;
+       nfound = doquery(hpt, nhash, fb, nitem, qitem, master);
+# if D1
+       fprintf(stderr,"after doquery nfound %d\n", nfound);
+# endif
+       fgnamp=fgnames;
+       if (falseflg == 0)
+               nfound = baddrop(master, nfound, fc, nitem, qitem, rprog, full);
+# if D1
+       fprintf(stderr,"after baddrop nfound %d\n", nfound);
+# endif
+       if (fgnamp>fgnames)
+               {
+               char **fgp, tgbuff[100];
+               int k;
+# if D1
+               fprintf(stderr, "were %d bad files\n", fgnamp-fgnames);
+# endif
+               grepquery[0]=0;
+               for(k=0; k<nitem; k++)
+                       {
+                       strcat(grepquery, " ");
+                       strcat(grepquery, qitem[k]);
+                       }
+# if D1
+               fprintf(stderr, "grepquery %s\n",grepquery);
+# endif
+               for(fgp=fgnames; fgp<fgnamp; fgp++)
+                       {
+# if D1
+                       fprintf(stderr, "Now on %s query /%s/\n", *fgp, grepquery);
+# endif
+                       makefgrep(*fgp);
+# if D1
+                       fprintf(stderr, "grepmade\n");
+# endif
+                       if (tagout==0)
+                               tagout=tgbuff;
+                       grepcall(grepquery, tagout, *fgp);
+# if D1
+                       fprintf(stderr, "tagout now /%s/\n", tagout);
+# endif
+                       if (full)
+                               {
+                               char bout[1000];
+                               findline(tagout, bout, 1000);
+                               fputs(bout,stdout);
+                               }
+                       }
+               }
+       if (tags)
+               result (master, nfound >tags ? tags: nfound, fc);
+       }
+}
+
+char *
+todir(t)
+       char *t;
+{
+       char *s;
+       s=t;
+       while (*s) s++;
+       while (s>=t && *s != '/') s--;
+       if (s<t) return(t);
+*s++ = 0;
+t = (*t ? t : "/");
+chdir (t);
+strcpy (usedir,t);
+return(s);
+}
+setfrom(c)
+{
+switch(c)
+       {
+       case 'y': case '\0':
+       default:
+               return(1000);
+       case '1':
+       case '2': case '3': case '4': case '5':
+       case '6': case '7': case '8': case '9':
+               return(c-'0');
+       case 'n': case '0':
+               return(0);
+       }
+}