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features/frameworks/utest/source/utest_print.cpp
57 строк
2 KB
Hugues Kamba
Replace RawSerial instances as it has been deprecated
06 янв 2020, 18:48
06 янв 2020, 18:48
dbaeeaf
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/**************************************************************************** * Copyright (c) 2019, ARM Limited, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. **************************************************************************** */ #include <stdio.h> #include <string.h> #include <cstdarg> #include "greentea-client/test_env.h" #include "platform/mbed_retarget.h" #define STRING_STACK_LIMIT 120 static int utest_vprintf(const char *format, std::va_list arg) { // ARMCC microlib does not properly handle a size of 0. // As a workaround supply a dummy buffer with a size of 1. char dummy_buf[1]; int len = vsnprintf(dummy_buf, sizeof(dummy_buf), format, arg); if (len < STRING_STACK_LIMIT) { char temp[STRING_STACK_LIMIT]; vsprintf(temp, format, arg); greentea_write_string(temp); } else { char *temp = new char[len + 1]; vsprintf(temp, format, arg); greentea_write_string(temp); delete[] temp; } return len; } extern "C" int utest_printf(const char *format, ...) { std::va_list args; va_start(args, format); int len = utest_vprintf(format, args); va_end(args); return len; }