Thread (27 messages) 27 messages, 7 authors, 2021-09-30

Re: [PATCH 5/5] cbtree.h: define cb_init() in terms of CBTREE_INIT

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From: Johannes Sixt <hidden>
Date: 2021-09-27 06:37:56

Am 27.09.21 um 02:39 schrieb Ævar Arnfjörð Bjarmason:
quoted hunk ↗ jump to hunk
--- a/cbtree.h
+++ b/cbtree.h
@@ -37,11 +37,12 @@ enum cb_next {
 	CB_BREAK = 1
 };
 
-#define CBTREE_INIT { .root = NULL }
+#define CBTREE_INIT { 0 }
 
 static inline void cb_init(struct cb_tree *t)
 {
-	t->root = NULL;
+	struct cb_tree blank = CBTREE_INIT;
This could be

	static const struct cb_tree blank = CBTREE_INIT;
+	memcpy(t, &blank, sizeof(*t));
Is
	*t = blank;

not a thing in C?

-- Hannes
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