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Finally hook up the mkdir code to a syscall.

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Added a /bin/mkdir that makes directories. How very neat :^)
There are various limitations because of missing functionality.
This commit is contained in:
Andreas Kling 2018-11-18 14:57:41 +01:00
parent 303577df16
commit de4604ac95
26 changed files with 238 additions and 132 deletions
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29
VirtualFileSystem/VirtualFileSystem.cpp
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@ -1,6 +1,7 @@
#include "VirtualFileSystem.h"
#include "FileDescriptor.h"
#include "FileSystem.h"
#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <AK/kmalloc.h>
#include <AK/kstdio.h>
@ -419,22 +420,34 @@ RetainPtr<FileDescriptor> VFS::open(const String& path, int& error, int options,
return FileDescriptor::create(move(vnode));
}
RetainPtr<FileDescriptor> VFS::create(const String& path, InodeIdentifier base)
RetainPtr<FileDescriptor> VFS::create(const String& path, InodeIdentifier base, int& error)
{
// FIXME: Do the real thing, not just this fake thing!
(void) path;
(void) base;
m_root_vnode->fileSystem()->create_inode(m_root_vnode->fileSystem()->rootInode(), "empty", 0100644, 0);
m_root_vnode->fileSystem()->create_inode(m_root_vnode->fileSystem()->rootInode(), "empty", 0100644, 0, error);
return nullptr;
}
RetainPtr<FileDescriptor> VFS::mkdir(const String& path, InodeIdentifier base)
bool VFS::mkdir(const String& path, mode_t mode, InodeIdentifier base, int& error)
{
// FIXME: Do the real thing, not just this fake thing!
(void) path;
(void) base;
m_root_vnode->fileSystem()->create_directory(m_root_vnode->fileSystem()->rootInode(), "mydir", 0400755);
return nullptr;
error = EWHYTHO;
// FIXME: This won't work nicely across mount boundaries.
FileSystemPath p(path);
if (!p.isValid()) {
error = -EINVAL;
return false;
}
dbgprintf("VFS::mkdir: '%s' in '%s'\n", p.basename().characters(), p.dirname().characters());
auto parent_dir = resolve_path(p.dirname(), error, m_root_vnode->inode);
if (!parent_dir.isValid())
return false;
auto new_dir = base.fileSystem()->create_directory(parent_dir, p.basename(), mode, error);
if (new_dir.isValid()) {
error = 0;
return true;
}
return false;
}
InodeIdentifier VFS::resolveSymbolicLink(InodeIdentifier base, InodeIdentifier symlinkInode, int& error)