FreeNOS
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hostname
Hostname.cpp
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/*
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* Copyright (C) 2009 Niek Linnenbank
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <
stdio.h
>
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#include <
stdlib.h
>
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#include <
unistd.h
>
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#include <
fcntl.h
>
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#include "
Hostname.h
"
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Hostname::Hostname
(
int
argc,
char
**argv)
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:
POSIXApplication
(argc, argv)
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{
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parser
().
setDescription
(
"Print the system hostname"
);
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}
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Hostname::~Hostname
()
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{
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}
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Hostname::Result
Hostname::exec
()
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{
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char
host[128];
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// Fetch hostname
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gethostname
(host,
sizeof
(host));
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// Output our hostname
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printf
(
"%s\r\n"
, host);
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// Done
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return
Success
;
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}
gethostname
int gethostname(char *name, size_t namelen)
Get name of current host.
Definition:
gethostname.cpp:21
Hostname.h
fcntl.h
POSIXApplication
POSIX-compatible application.
Definition:
POSIXApplication.h:35
Application::Success
@ Success
Definition:
Application.h:55
ArgumentParser::setDescription
void setDescription(const String &desc)
Set program description.
Definition:
ArgumentParser.cpp:95
printf
int printf(const char *format,...)
Output a formatted string to standard output.
Definition:
printf.cpp:22
Hostname::Hostname
Hostname(int argc, char **argv)
Constructor.
Definition:
Hostname.cpp:24
stdio.h
Application::Result
Result
Result codes.
Definition:
Application.h:53
unistd.h
Application::parser
ArgumentParser & parser()
Get program arguments parser.
Definition:
Application.cpp:102
stdlib.h
Hostname::~Hostname
virtual ~Hostname()
Destructor.
Definition:
Hostname.cpp:30
Hostname::exec
virtual Result exec()
Execute the application.
Definition:
Hostname.cpp:34
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