OpenSolaris_b135/cmd/refer/hunt6.c

/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
/*	  All Rights Reserved  	*/

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <stdio.h>
#include <assert.h>
#include <string.h>
#define	TXTLEN 1000

char *outbuf = 0;
extern char *soutput;
extern int soutlen, iflong;
extern long indexdate;
union ptr {
	unsigned *a;
	long *b;
};

extern int corout();
extern int fgrep();
extern long findline();

static int auxil(char *, char *);

int
baddrop(unsigned *mptr, int nf, FILE *fc, int nitem,
	    char *qitem[], char *rprog, int full)
{
	/* checks list of drops for real bad drops; finds items with "deliv" */
	int i, g, j, need, got, na, len;
	long lp;
	char res[100], *ar[50], output[TXTLEN], *mput;
	union ptr master;
	extern int colevel, reached;

	if (iflong) {
		master.b = (long *)mptr;
	} else {
		master.a = mptr;
	}

#if D1
	if (iflong)
		fprintf(stderr, "in baddrop, nf %d master %ld %ld %ld\n",
		    nf, master.b[0], master.b[1], master.b[2]);
	else
		fprintf(stderr, "in baddrop, nf %d master %d %d %d\n",
		    nf, master.a[0], master.a[1], master.a[2]);
#endif
	for (i = g = 0; i < nf; i++) {
		lp = iflong ? master.b[i] : master.a[i];
#if D1
		if (iflong)
			fprintf(stderr, "i %d master %lo lp %lo\n",
			    i, master.b[i], lp);
		else
			fprintf(stderr, "i %d master %o lp %lo\n",
			    i, master.a[i], lp);
#endif
		fseek(fc, lp, 0);
		fgets(res, 100, fc);
#if D1
		fprintf(stderr, "tag %s", res);
#endif
		if (!auxil(res, output)) {
			char *s;
			int c;
#if D1
			fprintf(stderr, "not auxil try rprog %c\n",
			    rprog ? 'y': 'n');
#endif
			for (s = res; c = *s; s++)
				if (c == ';' || c == '\n') {
					*s = 0;
					break;
				}

			if (rprog)
				len = corout(res, output, rprog, "", TXTLEN);
			else {
				len = findline(res, &mput, TXTLEN, indexdate);
				if (len > 0) {	/* copy and free */
					strncpy(output, mput, TXTLEN);
					free(mput);
				} else /* insufficient memory or other... */
					len = 0;
			}
		}
#if D1
		assert(len < TXTLEN);
		fprintf(stderr, "item %d of %d, tag %s len %d output\n%s\n..\n",
		    i, nf, res, len, output);
#endif
		if (len == 0)
			continue;
		need = colevel ? reached : nitem;
		na = 0;
		ar[na++] = "fgrep";
		ar[na++] = "-r";
		ar[na++] = "-n";
		ar[na++] = (char *)need;
		ar[na++] = "-i";
		ar[na++] = output;
		ar[na++] = (char *)len;
		for (j = 0; j < nitem; j++)
			ar[na++] = qitem[j];
#ifdef D1
		fprintf(stderr, "calling fgrep len %d ar[4] %s %o %d \n",
		    len, ar[4], ar[5], ar[6]);
#endif
		if (fgrep(na, ar) == 0) {
#ifdef D1
			fprintf(stderr, "fgrep found it\n");
#endif
			if (iflong)
				master.b[g++] = master.b[i];
			else
				master.a[g++] = master.a[i];
			if (full >= g)
				if (soutput == 0)
					fputs(output, stdout);
				else
					strcpy(soutput, output);
		}
#ifdef D1
		fprintf(stderr, "after fgrep\n");
#endif
	}
	return (g);
}

static int
auxil(char *res, char *output)
{
	extern FILE *fd;
	long lp, c;
	int len;
	if (fd == 0)
		return (0);
	while (c = *res++) {
		if (c == ';') {
			sscanf(res, "%ld,%d", &lp, &len);
			fseek(fd, lp, 0);
			fgets(output, len, fd);
			return (1);
		}
	}
	return (0);
}