stos: ob: Add helper to create object directory

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/stos/head/ob/object.h

@@ -56,6 +56,14 @@ typedef struct {
     USIZE EntryCount;
 } OBJECT_DIRECTORY;
 
+/*
+ * Create a new object directory
+ *
+ * @Name:   Name of object
+ * @Result: Resulting object is written here
+ */
+ST_STATUS ObCreateDirectory(const CHAR *Name, ST_OBJECT **Result);
+
 /*
  * Allocate and create a new objec
  *

paw/stos/ob/ob.c

@@ -10,6 +10,45 @@
 #include <ex/pool.h>
 #include <string.h>
 
+ST_STATUS
+ObCreateDirectory(const CHAR *Name, ST_OBJECT **Result)
+{
+    ST_STATUS Status;
+    ST_OBJECT *DirecObj;
+    OBJECT_DIRECTORY *Direc;
+
+    if (Name == NULL || Result == NULL) {
+        return STATUS_INVALID_PARAM;
+    }
+
+    Status = ObCreateObject(
+        Name,
+        OBJECT_TYPE_DIRECTORY,
+        NULL,
+        &DirecObj
+    );
+
+    if (Status != STATUS_SUCCESS) {
+        return Status;
+    }
+
+    Direc = ExAllocatePoolWithTag(
+        POOL_NON_PAGED,
+        sizeof(*Direc),
+        OBJECT_POOL_TAG
+    );
+
+    /* FIXME: Free DirecObj */
+    if (Direc == NULL) {
+        return STATUS_NO_MEMORY;
+    }
+
+    RtlMemSet(Direc, 0, sizeof(*Direc));
+    DirecObj->Data = Direc;
+    *Result = DirecObj;
+    return STATUS_SUCCESS;
+}
+
 ST_STATUS
 ObCreateObject(const CHAR *Name, OBJECT_TYPE Type, VOID *Data, ST_OBJECT **Result)
 {