76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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mount.cpp
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Handles system wide mount points and initialization of new file systems.
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******************************************************************************/
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#include "platform.h"
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#include <libmaxsi/memory.h>
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#include <libmaxsi/string.h>
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#include "panic.h"
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#include "mount.h"
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#include "fs/ramfs.h"
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#include "fs/initfs.h"
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using namespace Maxsi;
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namespace Sortix
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{
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namespace Mount
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{
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DevFileSystem* initfs;
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DevFileSystem* rootfs;
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bool MatchesMountPath(const char* path, const char* mount)
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{
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size_t mountlen = String::Length(mount);
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if ( !String::StartsWith(path, mount) ) { return false; }
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switch ( path[mountlen] )
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{
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case '\0':
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case '/':
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return true;
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default:
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return false;
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}
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}
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DevFileSystem* WhichFileSystem(const char* path, size_t* pathoffset)
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{
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if ( MatchesMountPath(path, "/bin") )
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{
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*pathoffset = 4;
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return initfs;
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}
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*pathoffset = 0;
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return rootfs;
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}
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void Init()
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{
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initfs = new DevInitFS();
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if ( !initfs ) { Panic("Unable to allocate initfs"); }
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rootfs = new DevRAMFS();
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if ( !rootfs ) { Panic("Unable to allocate rootfs"); }
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}
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}
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}
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