getproto.c

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape Portable Runtime (NSPR).
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
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 * may use your version of this file under either the MPL or the
 * GPL.
 */

/*
 *************************************************************************
 *
 * File: getproto.c
 *
 * A test program for PR_GetProtoByName and PR_GetProtoByNumber
 *
 *************************************************************************
 */

#include "plstr.h"
#include "plerror.h"
#include "prinit.h"
#include "prprf.h"
#include "prnetdb.h"
#include "prerror.h"

int main()
{
    PRFileDesc *prstderr = PR_GetSpecialFD(PR_StandardError);
    PRBool failed = PR_FALSE;
    PRProtoEnt proto;
    char buf[2048];
    PRStatus rv;

    PR_STDIO_INIT();
    rv = PR_GetProtoByName("tcp", buf, sizeof(buf), &proto);
    if (PR_FAILURE == rv) {
        failed = PR_TRUE;
        PL_FPrintError(prstderr, "PR_GetProtoByName failed");
    }
    else if (6 != proto.p_num) {
        PR_fprintf(
            prstderr,"tcp is usually 6, but is %d on this machine\n",
            proto.p_num);
    }
    else PR_fprintf(prstderr, "tcp is protocol number %d\n", proto.p_num);

    rv = PR_GetProtoByName("udp", buf, sizeof(buf), &proto);
    if (PR_FAILURE == rv) {
        failed = PR_TRUE;
        PL_FPrintError(prstderr, "PR_GetProtoByName failed");
    }
    else if (17 != proto.p_num) {
        PR_fprintf(
            prstderr, "udp is usually 17, but is %d on this machine\n",
            proto.p_num);
    }
    else PR_fprintf(prstderr, "udp is protocol number %d\n", proto.p_num);

    rv = PR_GetProtoByNumber(6, buf, sizeof(buf), &proto);
    if (PR_FAILURE == rv) {
        failed = PR_TRUE;
        PL_FPrintError(prstderr, "PR_GetProtoByNumber failed");
    }
    else if (PL_strcmp("tcp", proto.p_name)) {
        PR_fprintf(
            prstderr, "Protocol number 6 is usually tcp, but is %s"
            " on this platform\n", proto.p_name);
    }
    else PR_fprintf(prstderr, "Protocol number 6 is %s\n", proto.p_name);

    rv = PR_GetProtoByNumber(17, buf, sizeof(buf), &proto);
    if (PR_FAILURE == rv) {
        failed = PR_TRUE;
        PL_FPrintError(prstderr, "PR_GetProtoByNumber failed");
    }
    else if (PL_strcmp("udp", proto.p_name)) {
        PR_fprintf(
            prstderr, "Protocol number 17 is usually udp, but is %s"
            " on this platform\n", proto.p_name);
    }
    else PR_fprintf(prstderr, "Protocol number 17 is %s\n", proto.p_name);

    PR_fprintf(prstderr, (failed) ? "FAILED\n" : "PASSED\n");
    return (failed) ? 1 : 0;
}