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curl

    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
    9:  *
   10:  * This software is licensed as described in the file COPYING, which
   11:  * you should have received as part of this distribution. The terms
   12:  * are also available at https://curl.haxx.se/docs/copyright.html.
   13:  *
   14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
   15:  * copies of the Software, and permit persons to whom the Software is
   16:  * furnished to do so, under the terms of the COPYING file.
   17:  *
   18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
   19:  * KIND, either express or implied.
   20:  *
   21:  ***************************************************************************/
   22: #include "curl_setup.h"
   23: 
   24: #include "curl_gethostname.h"
   25: 
   26: #define HOSTNAME_MAX 1024
   27: 
   28: int main(int argc, char *argv[])
   29: {
   30:   char buff[HOSTNAME_MAX];
   31:   if(argc != 2) {
   32:     printf("Usage: %s EXPECTED_HOSTNAME\n", argv[0]);
   33:     return 1;
   34:   }
   35: 
   36:   if(Curl_gethostname(buff, HOSTNAME_MAX)) {
   37:     printf("Curl_gethostname() failed\n");
   38:     return 1;
   39:   }
   40: 
   41:   /* compare the name returned by Curl_gethostname() with the expected one */
   42:   if(strncmp(buff, argv[1], HOSTNAME_MAX)) {
   43:     printf("got unexpected host name back, LD_PRELOAD failed\n");
   44:     return 1;
   45:   }
   46:   return 0;
   47: }