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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
wallet/txfilter.c
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@@ -82,7 +82,7 @@ void txfilter_add_scriptpubkey(struct txfilter *filter, const u8 *script TAKES)
{
scriptpubkeyset_add(
&filter->scriptpubkeyset,
notleak(tal_dup_arr(filter, u8, script, tal_count(script), 0)));
notleak(tal_dup_talarr(filter, u8, script)));
}
void txfilter_add_derkey(struct txfilter *filter,