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-rw-r--r--src/basic/macro.h6
-rw-r--r--src/basic/set.h3
2 files changed, 9 insertions, 0 deletions
diff --git a/src/basic/macro.h b/src/basic/macro.h
index 2695d0edb7..ab5cc97e17 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -361,6 +361,12 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
_found; \
})
+#define SWAP_TWO(x, y) do { \
+ typeof(x) _t = (x); \
+ (x) = (y); \
+ (y) = (_t); \
+ } while (false)
+
/* Define C11 thread_local attribute even on older gcc compiler
* version */
#ifndef thread_local
diff --git a/src/basic/set.h b/src/basic/set.h
index 2bff5062da..e0d9dd001c 100644
--- a/src/basic/set.h
+++ b/src/basic/set.h
@@ -126,6 +126,9 @@ int set_put_strdupv(Set *s, char **l);
#define SET_FOREACH(e, s, i) \
for ((i) = ITERATOR_FIRST; set_iterate((s), &(i), (void**)&(e)); )
+#define SET_FOREACH_MOVE(e, d, s) \
+ for (; ({ e = set_first(s); assert_se(!e || set_move_one(d, s, e) >= 0); e; }); )
+
DEFINE_TRIVIAL_CLEANUP_FUNC(Set*, set_free);
DEFINE_TRIVIAL_CLEANUP_FUNC(Set*, set_free_free);