GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/ypserv/makedbm/makedbm.c Lines: 0 158 0.0 %
Date: 2017-11-07 Branches: 0 106 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: makedbm.c,v 1.33 2015/02/09 23:00:15 deraadt Exp $ */
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/*
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 * Copyright (c) 1994-97 Mats O Jansson <moj@stacken.kth.se>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "ypdb.h"
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#include "ypdef.h"
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#include "db.h"
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extern char *__progname;		/* from crt0.o */
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/*
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 * Read one line
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 */
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static int
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read_line(FILE *fp, char *buf, int size)
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{
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	int	done = 0;
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	do {
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		while (fgets(buf, size, fp)) {
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			int len = strlen(buf);
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			done += len;
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			if (len > 1 && buf[len-2] == '\\' &&
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			    buf[len-1] == '\n') {
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				int ch;
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				buf += len - 2;
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				size -= len - 2;
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				*buf = '\n'; buf[1] = '\0';
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				/* Skip leading white space on next line */
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				while ((ch = getc(fp)) != EOF &&
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				    isascii(ch) && isspace(ch))
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					;
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				(void) ungetc(ch, fp);
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			} else {
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				return done;
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			}
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		}
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	} while (size > 0 && !feof(fp));
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	return done;
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}
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static void
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add_record(DBM *db, char *str1, char *str2, int check)
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{
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	datum   key, val;
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	int	status;
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	key.dptr = str1;
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	key.dsize = strlen(str1);
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	if (check) {
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		val = ypdb_fetch(db, key);
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		if (val.dptr != NULL)
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			return;		/* already there */
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	}
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	val.dptr = str2;
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	val.dsize = strlen(str2);
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	status = ypdb_store(db, key, val, YPDB_INSERT);
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	if (status != 0) {
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		printf("%s: problem storing %s %s\n",
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		    __progname, str1, str2);
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		exit(1);
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	}
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}
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static char *
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file_date(char *filename)
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{
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	struct	stat finfo;
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	static	char datestr[11];
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	int	status;
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	if (strcmp(filename,"-") == 0) {
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		snprintf(datestr, sizeof datestr, "%010lld",
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		    (long long)time(0));
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	} else {
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		status = stat(filename, &finfo);
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		if (status < 0) {
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			fprintf(stderr, "%s: can't stat %s\n", __progname, filename);
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			exit(1);
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		}
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		snprintf(datestr, sizeof datestr, "%010lld",
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		    (long long)finfo.st_mtime);
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	}
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	return datestr;
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}
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static void
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list_database(char *database, int Uflag)
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{
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	DBM	*db;
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	datum	key, val;
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	db = ypdb_open(database, O_RDONLY, 0444);
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	if (db == NULL) {
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		if (Uflag != 0)
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			if (db_hash_list_database(database))
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				return;
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		fprintf(stderr, "%s: can't open database %s: %s\n", __progname,
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		    database, strerror(errno));
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		exit(1);
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	}
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	key = ypdb_firstkey(db);
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	while (key.dptr != NULL) {
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		val = ypdb_fetch(db, key);
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		printf("%*.*s %*.*s\n",
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		    key.dsize, key.dsize, key.dptr,
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		    val.dsize, val.dsize, val.dptr);
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		key = ypdb_nextkey(db);
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	}
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	ypdb_close(db);
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}
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static void
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create_database(char *infile, char *database, char *yp_input_file,
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    char *yp_output_file, char *yp_master_name, char *yp_domain_name,
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    int bflag, int lflag, int sflag)
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{
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	FILE	*data_file;
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	char	data_line[4096]; /* XXX: DB bsize = 4096 in ypdb.c */
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	char	myname[HOST_NAME_MAX+1];
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	int	line_no = 0, len;
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	char	*p, *k, *v, *slash;
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	DBM	*new_db;
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	static	char mapname[] = "ypdbXXXXXXXXXX";
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	char	db_mapname[PATH_MAX], db_outfile[PATH_MAX];
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	char	db_tempname[PATH_MAX], empty_str[] = "";
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	if (strcmp(infile,"-") == 0) {
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		data_file = stdin;
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	} else {
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		data_file = fopen(infile, "r");
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		if (errno != 0) {
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			(void)fprintf(stderr,"%s: ", __progname);
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			perror(infile);
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			exit(1);
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		}
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	}
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	if (strlen(database) + strlen(YPDB_SUFFIX) > PATH_MAX) {
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		fprintf(stderr,"%s: %s: file name too long\n",
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		    __progname, database);
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		exit(1);
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	}
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	snprintf(db_outfile, sizeof(db_outfile), "%s%s", database, YPDB_SUFFIX);
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	slash = strrchr(database, '/');
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	if (slash != NULL)
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		slash[1] = 0;			/* truncate to dir */
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	else
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		*database = 0;			/* eliminate */
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	/* note: database is now directory where map goes ! */
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	if (strlen(database) + strlen(mapname) +
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	    strlen(YPDB_SUFFIX) > PATH_MAX) {
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		fprintf(stderr,"%s: %s: directory name too long\n",
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		    __progname, database);
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		exit(1);
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	}
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	snprintf(db_mapname, sizeof(db_mapname), "%s%s%s",
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	    database, mapname, YPDB_SUFFIX);
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	mkstemps(db_mapname, sizeof(YPDB_SUFFIX));
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	strlcpy(db_tempname, db_mapname, sizeof db_tempname);
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	db_tempname[strlen(db_tempname) - sizeof(YPDB_SUFFIX) + 1] = '\0';
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	new_db = ypdb_open(db_tempname, O_RDWR|O_CREAT, 0444);
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	if (new_db == NULL) {
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		fprintf(stderr, "%s: Unable to open output database %s\n",
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		    __progname, db_outfile);
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		exit(1);
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	}
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	while (read_line(data_file, data_line, sizeof(data_line))) {
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		line_no++;
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		len =  strlen(data_line);
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		/* Check if we have the whole line */
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		if (data_line[len-1] != '\n') {
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			fprintf(stderr, "line %d in \"%s\" is too long",
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			    line_no, infile);
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		} else {
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			data_line[len-1] = '\0';
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		}
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		p = (char *) &data_line;
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		k = p;				   	 /* save start of key */
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		while (!isspace((unsigned char)*p)) {	    	/* find first "space" */
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			if (lflag && isupper((unsigned char)*p))   	/* if force lower case */
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				*p = (char)tolower((unsigned char)*p);   /* fix it */
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			p++;
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		}
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		while (isspace((unsigned char)*p)) {		/* replace space with <NUL> */
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			*p = '\0';
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			p++;
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		}
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		v = p;				/* save start of value */
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		while (*p != '\0')		/* find end of string */
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			p++;
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		add_record(new_db, k, v, TRUE);	/* save record */
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	}
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	if (strcmp(infile,"-") != 0)
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		(void) fclose(data_file);
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	add_record(new_db, YP_LAST_KEY, file_date(infile), FALSE);
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	if (yp_input_file)
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		add_record(new_db, YP_INPUT_KEY, yp_input_file, FALSE);
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	if (yp_output_file)
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		add_record(new_db, YP_OUTPUT_KEY, yp_output_file, FALSE);
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	if (yp_master_name)
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		add_record(new_db, YP_MASTER_KEY, yp_master_name, FALSE);
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	else {
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		gethostname(myname, sizeof(myname));
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		add_record(new_db, YP_MASTER_KEY, myname, FALSE);
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	}
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	if (yp_domain_name)
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		add_record(new_db, YP_DOMAIN_KEY, yp_domain_name, FALSE);
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	if (bflag)
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		add_record(new_db, YP_INTERDOMAIN_KEY, empty_str, FALSE);
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	if (sflag)
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		add_record(new_db, YP_SECURE_KEY, empty_str, FALSE);
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	ypdb_close(new_db);
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	if (rename(db_mapname, db_outfile) < 0) {
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		perror("rename");
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		fprintf(stderr,"rename %s -> %s failed!\n", db_mapname,
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		    db_outfile);
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		exit(1);
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	}
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}
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static void
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usage(void)
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{
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	fprintf(stderr,"usage: makedbm [-blsUu] [-d yp_domain_name] "
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	    "[-i yp_input_file]\n"
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	    "\t[-m yp_master_name] [-o yp_output_file] infile outfile\n");
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	exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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	int	aflag, uflag, bflag, lflag, sflag, Uflag;
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	char	*yp_input_file, *yp_output_file;
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	char	*yp_master_name, *yp_domain_name;
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	char	*infile, *outfile;
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	int	ch;
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	extern int optind;
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	extern char *optarg;
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	yp_input_file = yp_output_file = NULL;
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	yp_master_name = yp_domain_name = NULL;
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	aflag = uflag = bflag = lflag = sflag = Uflag = 0;
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	infile = outfile = NULL;
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	while ((ch = getopt(argc, argv, "Ublsui:o:m:d:")) != -1)
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		switch (ch) {
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		case 'U':
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			uflag = 1;
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			Uflag = 1;
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			break;
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		case 'b':
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			bflag = 1;
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			aflag = 1;
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			break;
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		case 'l':
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			lflag = 1;
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			aflag = 1;
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			break;
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		case 's':
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			sflag = 1;
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			aflag = 1;
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			break;
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		case 'i':
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			yp_input_file = optarg;
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			aflag = 1;
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			break;
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		case 'o':
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			yp_output_file = optarg;
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			aflag = 1;
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			break;
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		case 'm':
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			yp_master_name = optarg;
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			aflag = 1;
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			break;
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		case 'd':
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			yp_domain_name = optarg;
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			aflag = 1;
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			break;
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		case 'u':
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			uflag = 1;
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			break;
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		default:
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			usage();
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			break;
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		}
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	if ((uflag != 0) && (aflag != 0))
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		usage();
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	if (uflag != 0) {
359
		if (argc == (optind + 1))
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			infile = argv[optind];
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		else
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			usage();
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	} else {
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		if (argc == (optind + 2)) {
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			infile = argv[optind];
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			outfile = argv[optind+1];
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		} else
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			usage();
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	}
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	if (uflag != 0) {
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		list_database(infile,Uflag);
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	} else {
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		create_database(infile, outfile, yp_input_file,
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		    yp_output_file, yp_master_name, yp_domain_name,
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		    bflag, lflag, sflag);
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	}
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	return(0);
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}