Add a FOR_EACH_PICTURE macro and the code for picture_count.

Add the FOR_EACH_PICTURE macro and the code for picture count.
This uses C99 - but I will keep it like this and wait for dirk
to scream at me.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/dive.h b/dive.h
index e41267e84..87a786841 100644
--- a/dive.h
+++ b/dive.h
@@ -289,6 +289,9 @@ struct picture {
 	struct picture *next;
 };
 
+#define FOR_EACH_PICTURE( DIVE ) \
+	for(struct picture *picture = DIVE->picture_list; picture; picture = picture->next)
+
 extern struct picture *dive_add_picture(struct dive *d, char *picture);
 extern void dive_remove_picture(struct dive *d, char *picture);
 extern uint dive_get_picture_count(struct dive *d);