Use C string instead of chunk for link URL and title

Use zero-terminated C strings instead of cmark_chunks without storing
the length. This introduces a few additional strlen computations,
but overhead should be low.

Allows to reduce size of struct cmark_node later.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/node.h b/src/node.h
index 327c568..9658d1f 100644
--- a/src/node.h
+++ b/src/node.h
@@ -37,8 +37,8 @@ typedef struct {
 } cmark_heading;
 
 typedef struct {
-  cmark_chunk url;
-  cmark_chunk title;
+  unsigned char *url;
+  unsigned char *title;
 } cmark_link;
 
 typedef struct {