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