dive.h: add a variant of FOR_EACH_PICTURE

This prevents a warning caused by -Waddress, that the address
of 'displayed_dive' will always be defined.

Exact macro variant suggested by Dirk.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/dive.h b/dive.h
index 1c30a727c..ca81a4c88 100644
--- a/dive.h
+++ b/dive.h
@@ -349,6 +349,8 @@ struct picture {
 	if (_dive)              \
 		for (struct picture *picture = (_dive)->picture_list; picture; picture = picture->next)
 
+#define FOR_EACH_PICTURE_NON_PTR(_divestruct) \
+	for (struct picture *picture = (_divestruct).picture_list; picture; picture = picture->next)
 
 extern struct picture *alloc_picture();
 extern void dive_create_picture(struct dive *d, char *filename, int shift_time);