registry: add a function regdb_key_is_base_key() to check whether is composite.

This partly duplicates code from regdb_key_exists(). Maybe refactor later.

Michael
(This used to be commit c27d03bba842ecf99f23b22dc40fa7df33392fa0)

1 files changed, 33 insertions, 0 deletions

diff --git a/source3/registry/reg_backend_db.c b/source3/registry/reg_backend_db.c
index 3089c43eba..9468c40cf7 100644
--- a/source3/registry/reg_backend_db.c
+++ b/source3/registry/reg_backend_db.c
@@ -28,6 +28,7 @@ static struct db_context *regdb = NULL;
 static int regdb_refcount;
 
 static bool regdb_key_exists(const char *key);
+static bool regdb_key_is_base_key(const char *key);
 
 /* List the deepest path into the registry.  All part components will be created.*/
 
@@ -771,6 +772,38 @@ static TDB_DATA regdb_fetch_key_internal(TALLOC_CTX *mem_ctx, const char *key)
 
 
 /**
+ * check whether a given key name represents a base key,
+ * i.e one without a subkey separator ('/' or '\').
+ */
+static bool regdb_key_is_base_key(const char *key)
+{
+	TALLOC_CTX *mem_ctx = talloc_stackframe();
+	bool ret = false;
+	char *path;
+
+	if (key == NULL) {
+		goto done;
+	}
+
+	path = normalize_reg_path(mem_ctx, key);
+	if (path == NULL) {
+		DEBUG(0, ("out of memory! (talloc failed)\n"));
+		goto done;
+	}
+
+	if (*path == '\0') {
+		goto done;
+	}
+
+	ret = (strrchr(path, '/') == NULL);
+
+done:
+	TALLOC_FREE(mem_ctx);
+	return ret;
+}
+
+
+/**
  * Check for the existence of a key.
  *
  * Existence of a key is authoritatively defined by its