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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2020, 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 "sethostname.h"
   25: 
   26: /*
   27:  * we force our own host name, in order to make some tests machine independent
   28:  */
   29: 
   30: int gethostname(char *name, GETHOSTNAME_TYPE_ARG2 namelen)
   31: {
   32:   const char *force_hostname = getenv("CURL_GETHOSTNAME");
   33:   if(force_hostname) {
   34:     strncpy(name, force_hostname, namelen);
   35:     name[namelen-1] = '\0';
   36:     return 0;
   37:   }
   38: 
   39:   /* LD_PRELOAD used, but no hostname set, we'll just return a failure */
   40:   return -1;
   41: }