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signal an error in case TCP send data was only written partly

This commit is contained in:
devsaurus 2017-07-21 22:50:36 +02:00
parent d26c8ea290
commit f501b84090
1 changed files with 5 additions and 0 deletions
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5
components/modules/net.c
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@ -650,6 +650,11 @@ int net_send( lua_State *L ) {
} else if (ud->type == TYPE_TCP_CLIENT) {
size_t bytes_written;
err = netconn_write_partly(ud->netconn, data, datalen, NETCONN_COPY, &bytes_written);
if (err == ERR_OK && (datalen != bytes_written)) {
// the string object is potentially gc'ed after net_send finishes and we can't ensure
// integrity of the data pointer to netconn -> signal error to Lua layer
err = ERR_BUF;
}
}
else {
err = ERR_VAL;