From a40fe1166ab1db972a8ca0380d603c4d90eede62 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Wed, 25 Nov 2009 18:42:44 +0100
Subject: Re-organized file system stuff.

---
 Source/Kernel/VFS/File.class.cpp |  3 ++-
 Source/Kernel/VFS/Part.ns.cpp    | 27 +++++++++++++++++++++++++++
 Source/Kernel/VFS/Part.ns.h      |  3 +++
 3 files changed, 32 insertions(+), 1 deletion(-)

(limited to 'Source/Kernel/VFS')

diff --git a/Source/Kernel/VFS/File.class.cpp b/Source/Kernel/VFS/File.class.cpp
index c5ddcd6..84561a5 100644
--- a/Source/Kernel/VFS/File.class.cpp
+++ b/Source/Kernel/VFS/File.class.cpp
@@ -33,7 +33,7 @@ bool File::open(String filename, u8int mode, FSNode* start, bool vrfyperm) {
 	if (node == NULL){
 	   	if (mode == FM_READ) return false;
 		node = VFS::createFile(filename, start, vrfyperm);
-		if (node == 0) return false;
+		if (node == NULL) return false;
 	}
 	if (node->type() != NT_FILE) return false;
 
@@ -137,6 +137,7 @@ bool File::seek(u64int count, u8int mode) {
 }
 
 bool File::eof() {
+	if (!m_valid) return false;
 	return m_position == m_file->getLength();
 }
 
diff --git a/Source/Kernel/VFS/Part.ns.cpp b/Source/Kernel/VFS/Part.ns.cpp
index 6408dbd..7184f90 100644
--- a/Source/Kernel/VFS/Part.ns.cpp
+++ b/Source/Kernel/VFS/Part.ns.cpp
@@ -56,4 +56,31 @@ u32int getDeviceID(BlockDevice* dev) {
 	return (u32int) - 1;
 }
 
+BlockDevice* dev(String _class, u32int idx) {
+	for (u32int i = 0; i < devices.size(); i++) {
+		String devclass = devices[i]->getClass();
+		if (devclass == _class or (devclass.size() > _class.size() and devclass.substr(0, _class.size()) == _class)) {
+			if (idx == 0) {
+				return devices[i];
+			} else {
+				idx--;
+			}
+		}
+	}
+	return NULL;
+}
+
+Partition* part(BlockDevice* dev, u32int idx) {
+	for (u32int i = 0; i < partitions.size(); i++) {
+		if (partitions[i]->getDevice() == dev) {
+			if (idx == 0) {
+				return partitions[i];
+			} else {
+				idx--;
+			}
+		}
+	}
+	return NULL;
+}
+
 }
diff --git a/Source/Kernel/VFS/Part.ns.h b/Source/Kernel/VFS/Part.ns.h
index 40a0fb2..4373a2d 100644
--- a/Source/Kernel/VFS/Part.ns.h
+++ b/Source/Kernel/VFS/Part.ns.h
@@ -13,6 +13,9 @@ namespace Part {
 	void unregisterDevice(BlockDevice* dev);
 
 	u32int getDeviceID(BlockDevice* dev);
+
+	BlockDevice* dev(String _class, u32int idx);
+	Partition* part(BlockDevice* dev, u32int idx);
 }
 
 #endif
-- 
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