Use net_recv() to read only one byte
Partial read is impossible for 1 byte, so net_recv_all() is useless.
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@ -119,7 +119,7 @@ connect_and_read_byte(uint16_t port) {
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char byte;
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// the connection may succeed even if the server behind the "adb tunnel"
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// is not listening, so read one byte to detect a working connection
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if (net_recv_all(socket, &byte, 1) != 1) {
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if (net_recv(socket, &byte, 1) != 1) {
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// the server is not listening yet behind the adb tunnel
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return INVALID_SOCKET;
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}
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