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lws_get_peer_write_allowance: cope with no role callback for it

Browse source 
https://github.com/warmcat/libwebsockets/issues/1339
This commit is contained in:
Andy Green 2018-07-17 18:28:23 +08:00
parent ff2b1eab36
commit 0222cd25b0
1 changed files with 2 additions and 0 deletions
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2
lib/core/libwebsockets.c
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@ -2162,6 +2162,8 @@ lws_partial_buffered(struct lws *wsi)
LWS_VISIBLE lws_fileofs_t
lws_get_peer_write_allowance(struct lws *wsi)
{
if (!wsi->role_ops->tx_credit)
return -1;
return wsi->role_ops->tx_credit(wsi);
}