blob: add blob_memdup()

1 files changed, 14 insertions, 0 deletions

diff --git a/blob.c b/blob.c
index 928b5c5..e74f07f 100644
--- a/blob.c
+++ b/blob.c
@@ -243,3 +243,17 @@ blob_attr_equal(const struct blob_attr *a1, const struct blob_attr *a2)
 
 	return !memcmp(a1, a2, blob_pad_len(a1));
 }
+
+struct blob_attr *
+blob_memdup(struct blob_attr *attr)
+{
+	struct blob_attr *ret;
+	int size = blob_pad_len(attr);
+
+	ret = malloc(size);
+	if (!ret)
+		return NULL;
+
+	memcpy(ret, attr, size);
+	return ret;
+}