279 lines
7.9 KiB
C++
279 lines
7.9 KiB
C++
/*************************************************************************
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*
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* $RCSfile: tgetpwnam.cxx,v $
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*
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* $Revision: 1.1.1.1 $
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*
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* last change: $Author: hr $ $Date: 2000-09-18 15:17:31 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <pthread.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#ifndef NETBSD
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#include <shadow.h>
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#endif
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/* exercises some reentrant libc-fucntions */
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extern "C"
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{
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struct tm *localtime_r(const time_t *timep, struct tm *buffer);
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struct passwd* getpwnam_r(char*, struct passwd*, char *, int);
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struct spwd* getspnam_r(char*, struct spwd*, char *, int);
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struct hostent *gethostbyname_r(const char *name, struct hostent *result,
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char *buffer, int buflen, int *h_errnop);
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}
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static int go;
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extern "C" void *workfunc1(void*)
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{
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char buffer[256];
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struct tm sttm;
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time_t nepoch;
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struct passwd stpwd;
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struct hostent sthostent;
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int nerr;
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printf("starting thread 1 ...\n");
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while (go) {
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getpwnam_r("hr", &stpwd, buffer, sizeof(buffer));
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gethostbyname_r("blauwal", &sthostent, buffer, sizeof(buffer), &nerr);
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time(&nepoch);
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localtime_r(&nepoch, &sttm);
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}
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return 0;
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}
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extern "C" void *workfunc2(void*)
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{
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char buffer[256];
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struct tm sttm;
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time_t nepoch;
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struct passwd stpwd;
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struct hostent sthostent;
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int nerr;
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printf("starting thread 2 ...\n");
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while(go) {
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getpwnam_r("mh", &stpwd, buffer, sizeof(buffer));
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gethostbyname_r("hr-1242", &sthostent, buffer, sizeof(buffer), &nerr);
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time(&nepoch);
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localtime_r(&nepoch, &sttm);
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}
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return 0;
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}
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extern int h_errno;
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int main(int argc, char *argv[])
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{
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char buffer[256];
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struct tm *ptm;
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time_t nepoch;
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struct passwd *pwd, *pres1;
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#ifndef NETBSD
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struct spwd *spwd, *pres2;
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#endif
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struct hostent *phostent, *pres3;
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char **p;
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pthread_t tid1,tid2;
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int res1,res2;
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go = 1;
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pthread_create(&tid1, NULL, workfunc1, &res1);
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pthread_create(&tid2, NULL, workfunc2, &res2);
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pwd = (struct passwd*)malloc(sizeof(struct passwd));
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pres1 = getpwnam_r("hr", pwd, buffer, sizeof(buffer));
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sleep(3);
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if (pres1) {
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printf("Name: %s\n", pwd->pw_name);
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printf("Passwd: %s\n", pwd->pw_passwd);
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printf("Uid: %d\n", pwd->pw_uid);
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printf("Gid: %d\n", pwd->pw_gid);
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#ifdef NETBSD
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printf("Change: %s", ctime(&pwd->pw_change));
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printf("Class: %s\n", pwd->pw_class);
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#else
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printf("Age: %s\n", pwd->pw_age);
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printf("Comment: %s\n", pwd->pw_comment);
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#endif
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printf("Gecos: %s\n", pwd->pw_gecos);
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printf("Dir: %s\n", pwd->pw_dir);
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printf("Shell: %s\n", pwd->pw_shell);
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}
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else
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printf("getpwnam_r() failed!\n");
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free(pwd);
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#ifndef NETBSD
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spwd = (struct spwd*)malloc(sizeof(struct spwd));
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pres2 = getspnam_r("hr", spwd, buffer, sizeof(buffer));
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if (pres2) {
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printf("Name: %s\n", spwd->sp_namp);
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printf("Passwd: %s\n", spwd->sp_pwdp);
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printf("Last Change: %ld\n", spwd->sp_lstchg);
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printf("Min: %ld\n", spwd->sp_min);
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printf("Max: %ld\n", spwd->sp_max);
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}
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else
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printf("getspnam_r() failed!\n");
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free(spwd);
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#endif
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ptm = (struct tm*)malloc(sizeof(struct tm));
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time(&nepoch);
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localtime_r(&nepoch, ptm);
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printf("Seconds: %d\n", ptm->tm_sec);
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printf("Minutes: %d\n", ptm->tm_min);
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printf("Hour: %d\n", ptm->tm_hour);
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printf("Day of Month: %d\n", ptm->tm_mday);
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printf("Month: %d\n", ptm->tm_mon);
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printf("Year: %d\n", ptm->tm_year);
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printf("Day of week: %d\n", ptm->tm_wday);
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printf("Day in the year: %d\n", ptm->tm_yday);
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printf("Daylight saving time: %d\n", ptm->tm_isdst);
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#ifdef NETBSD
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printf("Timezone: %s\n", ptm->tm_zone);
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#else
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printf("Timezone: %s\n", ptm->tm_name);
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#endif
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free(ptm);
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phostent = (struct hostent*)malloc(sizeof(struct hostent));
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pres3 = gethostbyname_r("blauwal", phostent, buffer, sizeof(buffer), h_errno);
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if (pres3) {
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printf("Official Hostname: %s\n", phostent->h_name);
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for ( p = phostent->h_aliases; *p != NULL; p++ )
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printf("Alias: %s\n", *p);
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printf("Addresstype: %d\n", phostent->h_addrtype);
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printf("Address length: %d\n", phostent->h_length);
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if ( phostent->h_addrtype == AF_INET ) {
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for ( p = phostent->h_addr_list; *p != NULL; *p++ )
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printf("Address: %s\n", inet_ntoa(**((in_addr**)p)));
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}
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}
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/* test boundary conditions */
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char smallbuf[23]; /* buffer to small */
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pres3 = gethostbyname_r("blauwal", phostent, smallbuf, sizeof(smallbuf), h_errno);
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if (!pres3) {
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perror("Expect ERANGE");
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}
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else
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{
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printf("ERROR: Check for buffersize went wrong\n");
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}
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#ifdef NETBSD
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char exactbuf[35];
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#else
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char exactbuf[24]; /* should be exact the necessary size */
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#endif
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pres3 = gethostbyname_r("blauwal", phostent, exactbuf, sizeof(exactbuf), &h_errno);
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if (!pres3) {
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perror("Check with exact buffersize");
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}
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else
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{
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printf("Boundary check ok\n");
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}
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/* test error conditions */
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pres3 = gethostbyname_r("nohost", phostent, buffer, sizeof(buffer), &h_errno);
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if (!pres3) {
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herror("Expect HOST_NOT_FOUND");
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}
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else
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{
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printf("failed to detect non existant host\n");
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}
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free(phostent);
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go = 0; /* atomic enough for our purposes */
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pthread_join(tid1, NULL);
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pthread_join(tid2, NULL);
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exit(0);
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}
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