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gossipd: use array[32] not pointer for alias.

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And use ARRAY_SIZE() everywhere which will break compile if it's not a
literal array, plus assertions that it's the same length.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-09-24 11:11:39 +09:30
committed by Christian Decker
parent 6c54a22d63
commit afc92dd757
6 changed files with 20 additions and 19 deletions
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6
gossipd/routing.c
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@@ -145,7 +145,6 @@ static struct node *new_node(struct routing_state *rstate,
n = tal(rstate, struct node);
n->id = *id;
n->chans = tal_arr(n, struct chan *, 0);
n->alias = NULL;
n->gfeatures = NULL;
n->node_announcement = NULL;
n->node_announcement_index = 0;
@@ -1306,9 +1305,8 @@ bool routing_add_node_announcement(struct routing_state *rstate, const u8 *msg T
node->addresses = tal_steal(node, wireaddrs);
node->last_timestamp = timestamp;
memcpy(node->rgb_color, rgb_color, 3);
tal_free(node->alias);
node->alias = tal_dup_arr(node, u8, alias, 32, 0);
memcpy(node->rgb_color, rgb_color, ARRAY_SIZE(node->rgb_color));
memcpy(node->alias, alias, ARRAY_SIZE(node->alias));
tal_free(node->gfeatures);
node->gfeatures = tal_steal(node, features);