Obtained from: The NYS project
This program is used for both generating and dumping NIS maps. It's very similar to the 'makedbm' command in SunOS. This program was ported from the yps-0.21 package. It's close to the original except for the GDBM to DB conversions. This was simple compared to the other YP components.
This commit is contained in:
Bill Paul
parent
9e32e2330f
commit
0faad4f4e7
9
gnu/usr.sbin/yp_mkdb/Makefile
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9
gnu/usr.sbin/yp_mkdb/Makefile
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# @(#)Makefile 8.1 (Berkeley) 7/19/93
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PROG= yp_mkdb
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MAN8=
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BINOWN= bin
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BINMODE=555
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.include <bsd.prog.mk>
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243
gnu/usr.sbin/yp_mkdb/yp_mkdb.c
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243
gnu/usr.sbin/yp_mkdb/yp_mkdb.c
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/*
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YPS-0.2, NIS-Server for Linux
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Copyright (C) 1994 Tobias Reber
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Modified for use with FreeBSD 2.x by Bill Paul (wpaul@ctr.columbia.edu)
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*/
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/*
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* $Id$
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*/
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#define BUFFERSIZE 4096
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <netdb.h>
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#include <sys/types.h>
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#include <db.h>
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#include <limits.h>
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#define PERM_SECURE (S_IRUSR|S_IWUSR)
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HASHINFO openinfo = {
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4096, /* bsize */
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32, /* ffactor */
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256, /* nelem */
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2048 * 1024, /* cachesize */
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NULL, /* hash */
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0 /* lorder */
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};
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extern int optind;
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extern char *optarg;
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static char *DomainName=NULL;
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static char *InputFileName=NULL;
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static char *OutputFileName=NULL;
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static char *MasterName=NULL;
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static char thisHost[MAXHOSTNAMELEN+1];
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static void
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unLoad(char *DbName)
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{
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DB *dp;
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DBT key, data;
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int flag = R_FIRST;
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if ((dp = dbopen(DbName,O_RDONLY|O_EXCL, PERM_SECURE,
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DB_HASH, &openinfo)) == NULL) {
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fprintf(stderr, "%s: Cannot open\n", DbName);
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perror(DbName);
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exit(1);
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}
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while (!(dp->seq) (dp, &key, &data, flag)) {
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if (!data.data) {
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fprintf(stderr, "Error\n");
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perror(DbName);
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exit (1);
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}
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flag = R_NEXT;
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fwrite(key.data, key.size, 1, stdout);
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putc(' ', stdout);
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fwrite(data.data, data.size, 1, stdout);
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putc('\n', stdout);
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}
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(void)(dp->close) (dp);
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}
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static void
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load( char *FileName, char *DbName)
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{
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static char Buffer[BUFFERSIZE];
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static char filename[1024], filename2[1024];
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FILE *infile;
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DB *dp;
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DBT key, data;
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infile=strcmp(FileName, "-")?fopen(FileName, "r"):stdin;
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if (infile==NULL) {
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fprintf(stderr, "%s: Cannot open\n", FileName);
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exit(1);
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}
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sprintf(filename, "%s~.db", DbName);
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if ((dp = dbopen(DbName,O_RDWR|O_EXCL|O_CREAT, PERM_SECURE,
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DB_HASH, &openinfo)) == NULL) {
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perror("dbopen");
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fprintf(stderr, "%s: Cannot open\n", filename);
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exit(1);
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}
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if (MasterName && *MasterName) {
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key.data="YP_MASTER_NAME"; key.size=strlen(key.data);
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data.data=MasterName; data.size=strlen(MasterName);
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(dp->put)(dp,&key,&data,0);
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}
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if (DomainName && *DomainName) {
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key.data="YP_DOMAIN_NAME"; key.size=strlen(key.data);
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data.data=DomainName; data.size=strlen(DomainName);
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(dp->put)(dp,&key,&data,0);
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}
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if (InputFileName && *InputFileName) {
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key.data="YP_INPUT_NAME"; key.size=strlen(key.data);
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data.data=InputFileName; data.size=strlen(InputFileName);
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(dp->put)(dp,&key,&data,0);
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}
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if (OutputFileName && *OutputFileName) {
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key.data="YP_OUTPUT_NAME"; key.size=strlen(key.data);
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data.data=OutputFileName; data.size=strlen(OutputFileName);
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(dp->put)(dp,&key,&data,0);
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}
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{
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char OrderNum[12];
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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sprintf(OrderNum, "%ld", tv.tv_sec);
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key.data="YP_LAST_MODIFIED"; key.size=strlen(key.data);
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data.data=OrderNum; data.size=strlen(OrderNum);
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(dp->put)(dp,&key,&data,0);
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}
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for(;;) {
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register int r;
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fgets(Buffer, BUFFERSIZE, infile);
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if (feof(infile)) break;
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r=strlen(Buffer)-1;
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if (Buffer[r]!='\n' && r>=BUFFERSIZE) {
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fprintf(stderr, "%s: Buffer overflow\n", FileName);
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exit(1);
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} else
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Buffer[r]='\0';
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for (r=0; Buffer[r]; r++) {
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if (Buffer[r]==' ' || Buffer[r]=='\t') {
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Buffer[r]='\0';
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r++;
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break;
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}
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}
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for (; Buffer[r]; r++)
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if (Buffer[r]!=' ' && Buffer[r]!='\t') break;
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key.data=Buffer; key.size=strlen(Buffer);
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data.data=Buffer+r; data.size=strlen(Buffer+r);
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(dp->put)(dp,&key,&data,0);
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}
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(void)(dp->close)(dp);
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sprintf(filename, "%s.db", DbName);
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sprintf(filename2, "%s~.db", DbName);
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unlink(filename);
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rename(filename2, filename);
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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: yp_mkdb -u dbname\n");
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fprintf(stderr, " yp_mkdb [-i inputfile] [-o outputfile]\n");
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fprintf(stderr, " [-m mastername] inputfile dbname\n");
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exit(1);
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}
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void
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main(int argc, char **argv)
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{
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int UFlag=0;
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while(1) {
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int c=getopt(argc, argv, "ui:o:m:d:");
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if (c==EOF) break;
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switch (c) {
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case 'u':
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UFlag++;
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break;
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case 'd':
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DomainName=optarg;
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break;
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case 'i':
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InputFileName=optarg;
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break;
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case 'o':
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OutputFileName=optarg;
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break;
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case 'm':
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MasterName=optarg;
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break;
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case '?':
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Usage();
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break;
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}
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}
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argc-=optind;
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argv+=optind;
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if (!MasterName) {
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if (gethostname(thisHost, sizeof thisHost)<0) {
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perror("gethostname");
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} else {
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struct hostent *h;
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h=gethostbyname(thisHost);
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if (h) strncpy(thisHost, h->h_name, sizeof thisHost);
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MasterName=thisHost;
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}
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}
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if (UFlag) {
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if (argc<1) Usage();
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unLoad(argv[0]);
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} else {
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if (argc<2) Usage();
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load(argv[0], argv[1]);
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}
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exit(0);
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}
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