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sortix--sortix/sortix/filesystem.cpp
Jonas 'Sortie' Termansen 9b79673dcb Initial version of Sortix.
2011-08-05 14:25:00 +02:00

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1.9 KiB
C++

/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
filesystem.cpp
Abstracts away a file system device.
******************************************************************************/
#include "device.h"
#include "thread.h"
#include "process.h"
#include "filesystem.h"
namespace Sortix
{
bool DevFileSystem::LegalNodeName(const char* name)
{
if ( *name == '\0' ) { return false; }
while ( *name != '\0' )
{
if ( *name == '/' ) { return false; }
}
return true;
}
bool DevFileSystem::Open(const char* path, nat openFlags, nat mode, Mount::SysCallback* callbackInfo, Thread* thread)
{
#if 0
nat requestMode = flags & O_LOWERFLAGS;
MXFSNode* node;
if ( flags & O_CREAT )
{
if ( flags & O_DIRECTORY ) { return CreateDirectory(path, flags, permissions, type); }
else { return CreateFile(path, flags, permissions, type); }
}
else
{
node = Search(path);
}
if ( node == NULL ) { return NULL; }
if ( node->IsDir() )
{
if ( requestMode == O_SEARCH || requestMode == O_RDONLY )
{
// TODO: Make a directory device.
Error::Set(Error::NOTIMPLEMENTED);
return NULL;
}
else
{
Error::Set(Error::ISDIR);
return NULL;
}
}
if (
#endif
}
}