From 92e6e2bba17ae91e1f8e5d63154323586f6ea5a2 Mon Sep 17 00:00:00 2001
From: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Date: Fri, 22 Feb 2019 20:52:50 +0100
Subject: [PATCH] Core: introduce taglist_copy() function

Taglists were only copied in dive.c using the STRUCTURED_LIST_COPY
macro. Export that functionality in a function. This will be
needed for undo of dive-pasting.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
---
 core/dive.c | 9 ++++++++-
 core/dive.h | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/core/dive.c b/core/dive.c
index f43697c65..b82970862 100644
--- a/core/dive.c
+++ b/core/dive.c
@@ -667,7 +667,7 @@ void selective_copy_dive(const struct dive *s, struct dive *d, struct dive_compo
 		add_dive_to_dive_site(d, s->dive_site);
 	}
 	if (what.tags)
-		STRUCTURED_LIST_COPY(struct tag_entry, s->tag_list, d->tag_list, copy_tl);
+		d->tag_list = taglist_copy(s->tag_list);
 	if (what.cylinders)
 		copy_cylinders(s, d, false);
 	if (what.weights)
@@ -3359,6 +3359,13 @@ void taglist_free(struct tag_entry *entry)
 	STRUCTURED_LIST_FREE(struct tag_entry, entry, free)
 }
 
+struct tag_entry *taglist_copy(struct tag_entry *s)
+{
+	struct tag_entry *res;
+	STRUCTURED_LIST_COPY(struct tag_entry, s, res, copy_tl);
+	return res;
+}
+
 /* Merge src1 and src2, write to *dst */
 static void taglist_merge(struct tag_entry **dst, struct tag_entry *src1, struct tag_entry *src2)
 {
diff --git a/core/dive.h b/core/dive.h
index 7075cb143..06abc0df2 100644
--- a/core/dive.h
+++ b/core/dive.h
@@ -221,6 +221,7 @@ void taglist_cleanup(struct tag_entry **tag_list);
 
 void taglist_init_global();
 void taglist_free(struct tag_entry *tag_list);
+struct tag_entry *taglist_copy(struct tag_entry *s);
 bool taglist_contains(struct tag_entry *tag_list, const char *tag);
 
 struct extra_data {