mirror of https://github.com/ARMmbed/mbed-os.git
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
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/* mbed Microcontroller Library
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* Copyright (c) 2013-2014 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "greentea-client/test_env.h"
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class DevNull : public Stream {
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public:
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DevNull(const char *name = NULL) : Stream(name) {}
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protected:
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virtual int _getc() {
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return 0;
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}
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virtual int _putc(int c) {
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return c;
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}
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};
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DevNull null("null");
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int main() {
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GREENTEA_SETUP(2, "dev_null_auto");
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printf("MBED: before re-routing stdout to /null\n"); // This shouldn't appear
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greentea_send_kv("to_stdout", "re-routing stdout to /null");
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if (freopen("/null", "w", stdout)) {
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// This shouldn't appear on serial
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// We should use pure printf here to send KV
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printf("{{to_null;printf redirected to /null}}\n");
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printf("MBED: this printf is already redirected to /null\n");
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}
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while(1) {
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// Success is determined by the host test at this point, so busy wait
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}
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}
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