X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;ds=sidebyside;f=KernelLand%2FKernel%2Fvfs%2Ffs%2Froot.c;h=ee2e72cbf7fc37d60d511c19d4cd30104cefe447;hb=015f48988e0ff398409d71dfc692005ab439490a;hp=6c45f40e36a11a7fd4c2a6dd24831c55f320c87c;hpb=42fb98c5f353bf3e7cfbc202e2ace886b0c85874;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/vfs/fs/root.c b/KernelLand/Kernel/vfs/fs/root.c
index 6c45f40e..ee2e72cb 100644
--- a/KernelLand/Kernel/vfs/fs/root.c
+++ b/KernelLand/Kernel/vfs/fs/root.c
@@ -1,6 +1,11 @@
 /* 
- * AcessMicro VFS
+ * Acess2 Kernel
+ * - By John Hodge (thePowersGang)
+ *
+ * vfs/fs/root.c
  * - Root Filesystem Driver
+ *
+ * TODO: Restrict to directories only
  */
 #define DEBUG	0
 #include <acess.h>
@@ -13,16 +18,17 @@
 
 // === PROTOTYPES ===
 tVFS_Node	*Root_InitDevice(const char *Device, const char **Options);
- int	Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags);
-tVFS_Node	*Root_FindDir(tVFS_Node *Node, const char *Name);
-char	*Root_ReadDir(tVFS_Node *Node, int Pos);
-size_t	Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer);
-size_t	Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer);
+tVFS_Node	*Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags);
+tVFS_Node	*Root_FindDir(tVFS_Node *Node, const char *Name, Uint Flags);
+ int	Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX]);
+size_t	Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer, Uint Flags);
+size_t	Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer, Uint Flags);
 tRamFS_File	*Root_int_AllocFile(void);
 
 // === GLOBALS ===
 tVFS_Driver	gRootFS_Info = {
-	"rootfs", 0, Root_InitDevice, NULL, NULL
+	.Name = "rootfs", 
+	.InitDevice = Root_InitDevice
 	};
 tRamFS_File	RootFS_Files[MAX_FILES];
 tVFS_ACL	RootFS_DirACLs[3] = {
@@ -71,6 +77,7 @@ tVFS_Node *Root_InitDevice(const char *Device, const char **Options)
 	root->Node.NumACLs = 3;
 	root->Node.ACLs = RootFS_DirACLs;
 
+	root->Node.Flags = VFS_FFLAG_DIRECTORY;
 	root->Node.Type = &gRootFS_DirType;
 	
 	return &root->Node;
@@ -80,7 +87,7 @@ tVFS_Node *Root_InitDevice(const char *Device, const char **Options)
  * \fn int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
  * \brief Create an entry in the root directory
  */
-int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
+tVFS_Node *Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
 {
 	tRamFS_File	*parent = Node->ImplPtr;
 	tRamFS_File	*child;
@@ -89,16 +96,18 @@ int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
 	ENTER("pNode sName xFlags", Node, Name, Flags);
 	
 	LOG("Sanity check name length - %i > %i", strlen(Name)+1, sizeof(child->Name));
-	if(strlen(Name) + 1 > sizeof(child->Name))
-		LEAVE_RET('i', EINVAL);
+	if(strlen(Name) + 1 > sizeof(child->Name)) {
+		errno = EINVAL;
+		LEAVE_RET('n', NULL);
+	}
 	
 	// Find last child, while we're at it, check for duplication
 	for( child = parent->Data.FirstChild; child; prev = child, child = child->Next )
 	{
 		if(strcmp(child->Name, Name) == 0) {
 			LOG("Duplicate");
-			LEAVE('i', EEXIST);
-			return EEXIST;
+			errno = EEXIST;
+			LEAVE_RET('n', NULL);
 		}
 	}
 	
@@ -137,15 +146,15 @@ int Root_MkNod(tVFS_Node *Node, const char *Name, Uint Flags)
 	
 	parent->Node.Size ++;
 	
-	LEAVE('i', EOK);
-	return EOK;
+	LEAVE('n', &child->Node);
+	return &child->Node;
 }
 
 /**
  * \fn tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name)
  * \brief Find an entry in the filesystem
  */
-tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name)
+tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name, Uint Flags)
 {
 	tRamFS_File	*parent = Node->ImplPtr;
 	tRamFS_File	*child = parent->Data.FirstChild;
@@ -170,22 +179,25 @@ tVFS_Node *Root_FindDir(tVFS_Node *Node, const char *Name)
  * \fn char *Root_ReadDir(tVFS_Node *Node, int Pos)
  * \brief Get an entry from the filesystem
  */
-char *Root_ReadDir(tVFS_Node *Node, int Pos)
+int Root_ReadDir(tVFS_Node *Node, int Pos, char Dest[FILENAME_MAX])
 {
 	tRamFS_File	*parent = Node->ImplPtr;
 	tRamFS_File	*child = parent->Data.FirstChild;
 	
 	for( ; child && Pos--; child = child->Next ) ;
 	
-	if(child)	return strdup(child->Name);
+	if(child) {
+		strncpy(Dest, child->Name, FILENAME_MAX);
+		return 0;
+	}
 	
-	return NULL;
+	return -ENOENT;
 }
 
 /**
  * \brief Read from a file in the root directory
  */
-size_t Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer)
+size_t Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer, Uint Flags)
 {
 	tRamFS_File	*file = Node->ImplPtr;
 	
@@ -204,7 +216,7 @@ size_t Root_Read(tVFS_Node *Node, off_t Offset, size_t Length, void *Buffer)
 /**
  * \brief Write to a file in the root directory
  */
-size_t Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer)
+size_t Root_Write(tVFS_Node *Node, off_t Offset, size_t Length, const void *Buffer, Uint Flags)
 {
 	tRamFS_File	*file = Node->ImplPtr;