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40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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gethostname.cpp
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Get the hostname.
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*******************************************************************************/
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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extern "C" int gethostname(char* name, size_t len)
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{
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const char* hostname = getenv("HOSTNAME");
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if ( !hostname )
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hostname = "sortix";
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size_t hostname_len = strlen(hostname);
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if ( len < hostname_len+1 )
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return errno = ENAMETOOLONG, -1;
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strcpy(name, hostname);
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return 0;
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}
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