From 513d759c6583a741116855ea59045caca4ce3dc6 Mon Sep 17 00:00:00 2001
From: Tom London <tbl@research.uucp>
Date: Sun, 21 Jan 1979 06:32:53 -0500
Subject: [PATCH] Bell 32V development Work on file usr/src/cmd/refer/hunt1.c

Co-Authored-By: John Reiser <jfr@research.uucp>
Synthesized-from: 32v
---
 usr/src/cmd/refer/hunt1.c | 227 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 227 insertions(+)
 create mode 100644 usr/src/cmd/refer/hunt1.c

diff --git a/usr/src/cmd/refer/hunt1.c b/usr/src/cmd/refer/hunt1.c
new file mode 100644
index 0000000000..6c6ddc90c2
--- /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);
+	}
+}
-- 
2.20.1