Maggie Mei / emw3162-driver-mbed-os-5

emw3162 driver for mbed os 5

Fork of emw3162-driver by Maggie Mei

emw3162/ATParser/BufferedSerial/BufferedPrint.c@0:2d5090e1ceb4, 2016-11-01 (annotated)

Committer:
Maggie17
Date:
Tue Nov 01 02:18:18 2016 +0000
Revision:
0:2d5090e1ceb4
Initial commit

Who changed what in which revision?

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Maggie17 0:2d5090e1ceb4 1 /*
Maggie17 0:2d5090e1ceb4 2 * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
Maggie17 0:2d5090e1ceb4 3 * SPDX-License-Identifier: Apache-2.0
Maggie17 0:2d5090e1ceb4 4 * Licensed under the Apache License, Version 2.0 (the License); you may
Maggie17 0:2d5090e1ceb4 5 * not use this file except in compliance with the License.
Maggie17 0:2d5090e1ceb4 6 * You may obtain a copy of the License at
Maggie17 0:2d5090e1ceb4 7 *
Maggie17 0:2d5090e1ceb4 8 * http://www.apache.org/licenses/LICENSE-2.0
Maggie17 0:2d5090e1ceb4 9 *
Maggie17 0:2d5090e1ceb4 10 * Unless required by applicable law or agreed to in writing, software
Maggie17 0:2d5090e1ceb4 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
Maggie17 0:2d5090e1ceb4 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Maggie17 0:2d5090e1ceb4 13 * See the License for the specific language governing permissions and
Maggie17 0:2d5090e1ceb4 14 * limitations under the License.
Maggie17 0:2d5090e1ceb4 15 */
Maggie17 0:2d5090e1ceb4 16
Maggie17 0:2d5090e1ceb4 17 #include <stdarg.h>
Maggie17 0:2d5090e1ceb4 18 #include <stdint.h>
Maggie17 0:2d5090e1ceb4 19 #include <stdio.h>
Maggie17 0:2d5090e1ceb4 20 #include <string.h>
Maggie17 0:2d5090e1ceb4 21
Maggie17 0:2d5090e1ceb4 22 #include "mbed_error.h"
Maggie17 0:2d5090e1ceb4 23
Maggie17 0:2d5090e1ceb4 24 size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
Maggie17 0:2d5090e1ceb4 25
Maggie17 0:2d5090e1ceb4 26 int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
Maggie17 0:2d5090e1ceb4 27 {
Maggie17 0:2d5090e1ceb4 28 int r;
Maggie17 0:2d5090e1ceb4 29 char buffer[512];
Maggie17 0:2d5090e1ceb4 30 if (size >= 512) {
Maggie17 0:2d5090e1ceb4 31 return -1;
Maggie17 0:2d5090e1ceb4 32 }
Maggie17 0:2d5090e1ceb4 33 memset(buffer, 0, size);
Maggie17 0:2d5090e1ceb4 34 r = vsprintf(buffer, format, arg);
Maggie17 0:2d5090e1ceb4 35 // this may not hit the heap but should alert the user anyways
Maggie17 0:2d5090e1ceb4 36 if(r > (int32_t) size) {
Maggie17 0:2d5090e1ceb4 37 error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
Maggie17 0:2d5090e1ceb4 38 return 0;
Maggie17 0:2d5090e1ceb4 39 }
Maggie17 0:2d5090e1ceb4 40 if ( r > 0 ) {
Maggie17 0:2d5090e1ceb4 41 BufferedSerialThunk(stream, buffer, r);
Maggie17 0:2d5090e1ceb4 42 }
Maggie17 0:2d5090e1ceb4 43 return r;
Maggie17 0:2d5090e1ceb4 44 }