Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
server/red-common.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/server/red-common.h b/server/red-common.h
index 6b5d0b2e0..03efbdacb 100644
--- a/server/red-common.h
+++ b/server/red-common.h
@@ -79,6 +79,10 @@ typedef struct GListIter {
GList *next;
} GListIter;
+/* Iterate thougth a GList. Note that the iteration is "safe" meaning that the
+ * current item can be removed while the list is scanned. This is required as
+ * the code inside the loop in some cases can remove the element we are
+ * processing */
#define GLIST_FOREACH_GENERIC(_list, _iter, _type, _data, _dir) \
for (GListIter _iter = { .link = _list }; \
(_data = (_type *) (_iter.link ? _iter.link->data : NULL), \
--
2.20.1
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