util: add table_init_with_columns() function

This combined table_init() and table_add_columns() functions.

Signed-off-by: Tokunori Ikegami <[email protected]>

Author: ikegami-t

util/table.c

@@ -211,16 +211,32 @@ void table_add_row(struct table *t, int row_id)
 
 struct table *table_init(void)
 {
-	struct table *t;
+	struct table *t = malloc(sizeof(struct table));
 
-	t = malloc(sizeof(struct table));
 	if (!t)
 		return NULL;
 
 	memset(t, 0, sizeof(struct table));
+
 	return t;
 }
 
+struct table *table_init_with_columns(struct table_column *c, int num_columns)
+{
+	struct table *t = table_init();
+
+	if (!t)
+		return NULL;
+
+	if (table_add_columns(t, c, num_columns)) {
+		table_free(t);
+		return NULL;
+	}
+
+	return t;
+
+}
+
 static int table_add_column(struct table *t, struct table_column *c)
 {
 	struct table_column *new_columns;

util/table.h

@@ -146,4 +146,16 @@ void table_add_row(struct table *t, int row);
 void table_print(struct table *t);
 void table_free(struct table *t);
 
+/**
+ * table_init_with_columns() - Allocate a table instance with column definitions
+ * @c:		Column definitions
+ * @num_columns:Number of columns
+ *
+ * This is a function combined table_init() and table_add_columns().
+ *
+ * Return: The table instance, or NULL if unsuccessful. If allocated, the caller
+ * is responsible to free the table.
+ */
+struct table *table_init_with_columns(struct table_column *c, int num_columns);
+
 #endif /* _TABLE_H_ */