FreeNOS
lib
libposix
unistd
getcwd.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 <
Assert.h
>
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#include <
FileSystemClient.h
>
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#include <
string.h
>
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#include <
errno.h
>
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#include "
unistd.h
"
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char
*
getcwd
(
char
*buf,
size_t
size)
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{
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const
FileSystemClient
filesystem;
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const
String
*currentDirectory = filesystem.
getCurrentDirectory
();
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// Copy our current working directory
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assert
(currentDirectory !=
NULL
);
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memcpy
(buf, **currentDirectory, size);
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// Set errno
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errno
=
ESUCCESS
;
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// Done
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return
buf;
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}
errno
C int errno
The lvalue errno is used by many functions to return error values.
string.h
getcwd
char * getcwd(char *buf, size_t size)
Get the pathname of the current working directory.
Definition:
getcwd.cpp:24
String
Abstraction of strings.
Definition:
String.h:41
FileSystemClient
FileSystemClient provides a simple interface to a FileSystemServer.
Definition:
FileSystemClient.h:42
Assert.h
ESUCCESS
#define ESUCCESS
Reports a success operation.
Definition:
errno.h:43
FileSystemClient::getCurrentDirectory
const String * getCurrentDirectory() const
Get current directory String.
Definition:
FileSystemClient.cpp:146
NULL
#define NULL
NULL means zero.
Definition:
Macros.h:39
unistd.h
FileSystemClient.h
assert
#define assert(exp)
Insert program diagnostics.
Definition:
assert.h:60
memcpy
void * memcpy(void *dest, const void *src, size_t count)
Copy memory from one place to another.
Definition:
memcpy.cpp:20
errno.h
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