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common: tal_dup_talarr() helper.

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This is a common thing to do, so create a macro.

Unfortunately, it still needs the type arg, because the paramter may
be const, and the return cannot be, and C doesn't have a general
"(-const)" cast.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2020-02-27 12:47:01 +10:30
parent 684ed4231f
commit 2aad3ffcf8
21 changed files with 54 additions and 49 deletions
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2
common/msg_queue.c
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@@ -16,7 +16,7 @@ struct msg_queue *msg_queue_new(const tal_t *ctx)
static void do_enqueue(struct msg_queue *q, const u8 *add TAKES)
{
tal_arr_expand(&q->q, tal_dup_arr(q, u8, add, tal_count(add), 0));
tal_arr_expand(&q->q, tal_dup_talarr(q, u8, add));
/* In case someone is waiting */
io_wake(q);