Added position check to VFS_ReadDir

[tpg/acess2.git] / Kernel / vfs / io.c

diff --git a/Kernel/vfs/io.c b/Kernel/vfs/io.c
index 57d3f84..4a44b40 100644 (file)
--- a/Kernel/vfs/io.c
+++ b/Kernel/vfs/io.c
@@ -166,3 +166,61 @@ int VFS_Seek(int FD, Sint64 Distance, int Whence)
        h->Position = Distance;
        return 0;
 }
+
+/**
+ * \fn int VFS_IOCtl(int FD, int ID, void *Buffer)
+ * \brief Call an IO Control on a file
+ */
+int VFS_IOCtl(int FD, int ID, void *Buffer)
+{
+       tVFS_Handle     *h;
+       
+       h = VFS_GetHandle(FD);
+       if(!h)  return -1;
+
+       if(!h->Node->IOCtl)     return -1;
+       return h->Node->IOCtl(h->Node, ID, Buffer);
+}
+
+// -- System Call Structures ---
+struct s_sysFInfo {
+       Uint    uid, gid;
+       Uint    flags;
+       Uint64  size;
+       Sint64  atime;
+       Sint64  mtime;
+       Sint64  ctime;
+        int    numacls;
+       tVFS_ACL        acls[];
+};
+
+/**
+ * \fn int VFS_FInfo(int FD, struct s_sysFInfo *Dest, int MaxACLs)
+ * \brief Retrieve file information
+ * \return Number of ACLs stored
+ */
+int VFS_FInfo(int FD, struct s_sysFInfo *Dest, int MaxACLs)
+{
+       tVFS_Handle     *h;
+        int    max;
+       
+       h = VFS_GetHandle(FD);
+       if(!h)  return -1;
+       
+       Dest->uid = h->Node->UID;
+       Dest->gid = h->Node->GID;
+       Dest->size = h->Node->Size;
+       Dest->atime = h->Node->ATime;
+       Dest->ctime = h->Node->MTime;
+       Dest->mtime = h->Node->CTime;
+       Dest->numacls = h->Node->NumACLs;
+       
+       Dest->flags = 0;
+       if(h->Node->Flags & VFS_FFLAG_DIRECTORY)        Dest->flags |= 0x10;
+       if(h->Node->Flags & VFS_FFLAG_SYMLINK)  Dest->flags |= 0x20;
+       
+       max = (MaxACLs < h->Node->NumACLs) ? MaxACLs : h->Node->NumACLs;
+       memcpy(&Dest->acls, h->Node->ACLs, max*sizeof(tVFS_ACL));
+       
+       return max;
+}