From 021831ab981b9df22cd1ac5e5ac51f0f84ef49a7 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sat, 26 Sep 2009 22:17:03 +0200
Subject: Nothing intresting

---
 Source/Kernel/FileSystems/RamFS/RamFS.class.cpp | 47 ++++++++++++++++++-------
 Source/Kernel/FileSystems/RamFS/RamFS.class.h   |  9 +++--
 2 files changed, 41 insertions(+), 15 deletions(-)

(limited to 'Source/Kernel/FileSystems')

diff --git a/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp b/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
index ca8dd21..a224bf8 100644
--- a/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
+++ b/Source/Kernel/FileSystems/RamFS/RamFS.class.cpp
@@ -2,18 +2,29 @@
 #include <VFS/DirectoryNode.class.h>
 #include "RamFileNode.class.h"
 
-RamFS::RamFS(u32int maxSize) {
-	m_maxSize = maxSize;
-	m_usedSize = 0;
-	m_isWritable = true;
-	m_rootNode = new DirectoryNode("/", this, NULL);	
+RamFS::RamFS() {
 }
 
-RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
-	m_maxSize = maxSize;
-	m_usedSize = 0;
-	m_isWritable = true;
-	m_rootNode = new DirectoryNode("/", this, NULL);
+RamFS::~RamFS() {
+	delete m_rootNode;
+}
+
+RamFS* RamFS::mount(u32int maxSize, DirectoryNode* mountpoint) {
+	RamFS* rfs = new RamFS();
+	rfs->m_maxSize = maxSize;
+	rfs->m_usedSize = 0;
+	rfs->m_isWritable = true;
+	rfs->m_rootNode = new DirectoryNode("/", rfs, mountpoint);	
+	return rfs;
+}
+
+RamFS* RamFS::mount(u8int *ptr, u32int maxSize, DirectoryNode* mountpoint, bool writable) {
+	RamFS* rfs = new RamFS();
+
+	rfs->m_maxSize = maxSize;
+	rfs->m_usedSize = 0;
+	rfs->m_isWritable = true;
+	rfs->m_rootNode = new DirectoryNode("/", rfs, mountpoint);
 
 	union {
 		u8int* c;
@@ -22,7 +33,11 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
 	} curr;
 	curr.c = ptr;
 
-	if (curr.i->magic != INITRD_MAGIC) return;
+	if (curr.i->magic != INITRD_MAGIC) {
+		delete rfs;
+		return NULL;
+	}
+
 	u32int files = curr.i->files;
 	curr.i++;	//Increment pointer of size of initrd header
 	for (u32int i = 0; i < files; i++) {
@@ -32,12 +47,12 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
 			String name((const char*)(curr.c));
 			curr.c += h.name_length + 1;	//Increment pointer of length of name
 
-			//Find out a vector conaining parent directories, and set name to the effective file name
+			//Find out a vector containing parent directories, and set name to the effective file name
 			if (name[0] == WChar("/")) name = name.substr(1, name.size() - 1);
 
 			//Find node for parent directory
 			String mname = "";
-			DirectoryNode* parent = m_rootNode;
+			DirectoryNode* parent = rfs->m_rootNode;
 			for (u32int i = 0; i < name.size(); i++) {
 				if (name[i] == WChar("/")) {
 					FSNode* n = parent->getChild(mname);
@@ -61,6 +76,12 @@ RamFS::RamFS(u8int *ptr, u32int maxSize, bool writable) {
 			}
 		}	
 	}
+
+	return rfs;
+}
+
+bool RamFS::unmount() {
+	return m_rootNode->unmountable();
 }
 
 bool RamFS::setName(FSNode* node, String name) { return true; }
diff --git a/Source/Kernel/FileSystems/RamFS/RamFS.class.h b/Source/Kernel/FileSystems/RamFS/RamFS.class.h
index 0a3f0c4..1d60796 100644
--- a/Source/Kernel/FileSystems/RamFS/RamFS.class.h
+++ b/Source/Kernel/FileSystems/RamFS/RamFS.class.h
@@ -17,12 +17,17 @@ struct initrd_file_header {
 
 class RamFS : public FileSystem {
 	private:
+	~RamFS();
+	RamFS(const RamFS& other);
+	RamFS();
+	bool unmount();	//TO BE USED ONLY BY VFS::UNMOUNT (when will exist...)
+
 	u32int m_maxSize;
 	u32int m_usedSize;
 
 	public:
-	RamFS(u32int maxSize);	//Creates an empty RAM file system
-	RamFS(u8int* ptr, u32int maxSize, bool writable = true);	//Creates a RAM file system from data loaded in memory. format to be defined
+	static RamFS* mount(u32int maxSize, DirectoryNode* mountpoint);	//Creates an empty RAM file system
+	static RamFS* mount(u8int* ptr, u32int maxSize, DirectoryNode* mountpoint, bool writable = true);	//Creates a RAM file system from data loaded in memory. format to be defined
 
 	bool setName(FSNode* node, String name);
 	bool setPermissions(FSNode* node, u32int permissions);
-- 
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