X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fvfs%2Fmemfile.c;h=ad6867115eee4f641876250deb5c83ffde0e4da1;hb=HEAD;hp=941fcfe28623506a1a937ec9985f1beb82c74d3a;hpb=6a945643557084578509e149c84cf5dde3c59c3c;p=tpg%2Facess2.git

diff --git a/Kernel/vfs/memfile.c b/Kernel/vfs/memfile.c
deleted file mode 100644
index 941fcfe2..00000000
--- a/Kernel/vfs/memfile.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/* 
- * Acess 2
- * Virtual File System
- * - Memory Pseudo Files
- */
-#include <acess.h>
-#include <vfs.h>
-
-// === PROTOTYPES ===
-tVFS_Node	*VFS_MemFile_Create(tVFS_Node *Unused, const char *Path);
-void	VFS_MemFile_Close(tVFS_Node *Node);
-Uint64	VFS_MemFile_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
-Uint64	VFS_MemFile_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
-
-// === GLOBALS ===
-tVFS_Node	gVFS_MemRoot = {
-	.Flags = VFS_FFLAG_DIRECTORY,
-	.NumACLs = 0,
-	.FindDir = VFS_MemFile_Create
-	};
-
-// === CODE ===
-/**
- * \fn tVFS_Node *VFS_MemFile_Create(tVFS_Node *Unused, const char *Path)
- * \note Treated as finddir by VFS_ParsePath
- */
-tVFS_Node *VFS_MemFile_Create(tVFS_Node *Unused, const char *Path)
-{
-	Uint	base, size;
-	const char	*str = Path;
-	tVFS_Node	*ret;
-	
-	str++;	// Eat '$'
-	
-	// Read Base address
-	base = 0;
-	for( ; ('0' <= *str && *str <= '9') || ('A' <= *str && *str <= 'F'); str++ )
-	{
-		base *= 16;
-		if('A' <= *str && *str <= 'F')
-			base += *str - 'A' + 10;
-		else
-			base += *str - '0';
-	}
-	
-	// Check separator
-	if(*str++ != ':')	return NULL;
-	
-	// Read buffer size
-	size = 0;
-	for( ; ('0' <= *str && *str <= '9') || ('A' <= *str && *str <= 'F'); str++ )
-	{
-		size *= 16;
-		if('A' <= *str && *str <= 'F')
-			size += *str - 'A' + 10;
-		else
-			size += *str - '0';
-	}
-	
-	// Check for NULL byte
-	if(*str != '\0') 	return NULL;
-	
-	// Allocate and fill node
-	ret = malloc(sizeof(tVFS_Node));
-	memset(ret, 0, sizeof(tVFS_Node));
-	
-	// State
-	ret->ImplPtr = (void*)base;
-	ret->Size = size;
-	
-	// ACLs
-	ret->NumACLs = 1;
-	ret->ACLs = &gVFS_ACL_EveryoneRWX;
-	
-	// Functions
-	ret->Close = VFS_MemFile_Close;
-	ret->Read = VFS_MemFile_Read;
-	ret->Write = VFS_MemFile_Write;
-	
-	return ret;
-}
-
-/**
- * \fn void VFS_MemFile_Close(tVFS_Node *Node)
- * \brief Dereference and clean up a memory file
- */
-void VFS_MemFile_Close(tVFS_Node *Node)
-{
-	Node->ReferenceCount --;
-	if( Node->ReferenceCount == 0 ) {
-		Node->ImplPtr = NULL;
-		free(Node);
-	}
-}
-
-/**
- * \fn Uint64 VFS_MemFile_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
- * \brief Read from a memory file
- */
-Uint64 VFS_MemFile_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
-{
-	// Check for use of free'd file
-	if(Node->ImplPtr == NULL)	return 0;
-	
-	// Check for out of bounds read
-	if(Offset > Node->Size)	return 0;
-	
-	// Truncate data read if needed
-	if(Offset + Length > Node->Size)
-		Length = Node->Size - Offset;
-	
-	// Copy Data
-	memcpy(Buffer, Node->ImplPtr+Offset, Length);
-	
-	return Length;
-}
-
-/**
- * \fn Uint64 VFS_MemFile_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
- * \brief Write to a memory file
- */
-Uint64 VFS_MemFile_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
-{
-	// Check for use of free'd file
-	if(Node->ImplPtr == NULL)	return 0;
-	
-	// Check for out of bounds read
-	if(Offset > Node->Size)	return 0;
-	
-	// Truncate data read if needed
-	if(Offset + Length > Node->Size)
-		Length = Node->Size - Offset;
-	
-	// Copy Data
-	memcpy(Node->ImplPtr+Offset, Buffer, Length);
-	
-	return Length;
-}