protocol_examples_common: keep buffering enabled on stdout
- Newlib uses significantly more stack space when printing to an unbuffered stream - For examples tests, disabling buffering on stdout is not really required This issue was found during one of the OTA example test failure, root cause being stack overflow in `esp_event` task.
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@ -17,7 +17,6 @@ esp_err_t example_configure_stdin_stdout(void)
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{
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// Initialize VFS & UART so we can use std::cout/cin
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setvbuf(stdin, NULL, _IONBF, 0);
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setvbuf(stdout, NULL, _IONBF, 0);
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/* Install UART driver for interrupt-driven reads and writes */
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ESP_ERROR_CHECK( uart_driver_install( (uart_port_t)CONFIG_ESP_CONSOLE_UART_NUM,
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256, 0, 0, NULL, 0) );
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