Copy blocks

1 files changed, 19 insertions, 0 deletions

diff --git a/src/block.c b/src/block.c
index e739ceb..2b31de8 100644
--- a/src/block.c
+++ b/src/block.c
@@ -1,3 +1,5 @@
+#include <string.h>
+
 #include "block.h"
 #include "util.h"
 #include "any_log.h"
@@ -24,6 +26,23 @@ void block_update(block_t *block)
     }
 }
 
+void block_copy(block_t *copy, const block_t *block)
+{
+    memcpy(copy, block, sizeof(block_t));
+
+    // NOTE: Strings must be copied
+    copy->label = strcopy(block->label);
+
+    if (block->type == BLOCK_TEXT) {
+        copy->text.text = strcopy(block->text.text);
+    } else if (block->type == BLOCK_GROUP) {
+        copy->group.children = calloc(block->group.n_children, sizeof(block_t));
+
+        for (int i = 0; i < block->group.n_children; i++)
+            block_copy(&block->group.children[i], &copy->group.children[i]);
+    }
+}
+
 void block_free(block_t *block)
 {
     free(block->label);