diff options
| -rw-r--r-- | dive.c | 22 | ||||
| -rw-r--r-- | dive.h | 2 |
2 files changed, 24 insertions, 0 deletions
@@ -2642,7 +2642,29 @@ static bool taglist_contains_all(struct tag_entry *subtl, struct tag_entry *supe subtl = subtl->next; } return true; +} +struct tag_entry *taglist_added(struct tag_entry *original_list, struct tag_entry *new_list) +{ + struct tag_entry *added_list = NULL; + while (new_list) { + if (!taglist_contains(original_list, new_list->tag->name)) + taglist_add_tag(&added_list, new_list->tag->name); + new_list = new_list->next; + } + return added_list; +} + +void dump_taglist(const char *intro, struct tag_entry *tl) +{ + char *comma = ""; + fprintf(stderr, "%s", intro); + while(tl) { + fprintf(stderr, "%s %s", comma, tl->tag->name); + comma = ","; + tl = tl->next; + } + fprintf(stderr, "\n"); } // if tl1 is both a subset and superset of tl2 they must be the same @@ -230,6 +230,8 @@ struct tag_entry { extern struct tag_entry *g_tag_list; struct divetag *taglist_add_tag(struct tag_entry **tag_list, const char *tag); +struct tag_entry *taglist_added(struct tag_entry *original_list, struct tag_entry *new_list); +void dump_taglist(const char *intro, struct tag_entry *tl); /* * Writes all divetags in tag_list to buffer, limited by the buffer's (len)gth. |