mirror of https://github.com/ARMmbed/mbed-os.git
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* Copyright (c) 2014-2015 ARM Limited. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* 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, WITHOUT
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* 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 <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "mbed_error.h"
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size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
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int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
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{
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int r;
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char buffer[size];
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memset(buffer, 0, size);
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r = vsprintf(buffer, format, arg);
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// this may not hit the heap but should alert the user anyways
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if(r > (int32_t) size) {
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error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
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return 0;
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}
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if ( r > 0 ) {
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BufferedSerialThunk(stream, buffer, r);
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}
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return r;
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}
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