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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "setup.h"
#include "curl_gethostname.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define GETHOSTNAME_ENV_VAR "CURL_GETHOSTNAME"
int Curl_gethostname(char *name, size_t namelen) {
#ifdef HAVE_GETHOSTNAME
#ifdef CURLDEBUG
/* we check the environment variable only in case of debug build */
const char *force_hostname = getenv(GETHOSTNAME_ENV_VAR);
if(force_hostname) {
strncpy(name, force_hostname, namelen);
return 0;
}
#endif
/* no override requested */
return gethostname(name, namelen);
#else
/* no gethostname() available on system, we should always fail */
(void) name;
(void) namelen;
return -1;
#endif
}
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