Duy tran / easy-connect-customized

my customized lib

esp8266-driver/ESP8266/ATParser/BufferedSerial/BufferedPrint.c@0:8094b249013c, 2017-11-26 (annotated)

Committer:
DuyLionTran
Date:
Sun Nov 26 15:08:14 2017 +0000
Revision:
0:8094b249013c
Initial commit

Who changed what in which revision?

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DuyLionTran 0:8094b249013c 1 /*
DuyLionTran 0:8094b249013c 2 * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
DuyLionTran 0:8094b249013c 3 * SPDX-License-Identifier: Apache-2.0
DuyLionTran 0:8094b249013c 4 * Licensed under the Apache License, Version 2.0 (the License); you may
DuyLionTran 0:8094b249013c 5 * not use this file except in compliance with the License.
DuyLionTran 0:8094b249013c 6 * You may obtain a copy of the License at
DuyLionTran 0:8094b249013c 7 *
DuyLionTran 0:8094b249013c 8 * http://www.apache.org/licenses/LICENSE-2.0
DuyLionTran 0:8094b249013c 9 *
DuyLionTran 0:8094b249013c 10 * Unless required by applicable law or agreed to in writing, software
DuyLionTran 0:8094b249013c 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
DuyLionTran 0:8094b249013c 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
DuyLionTran 0:8094b249013c 13 * See the License for the specific language governing permissions and
DuyLionTran 0:8094b249013c 14 * limitations under the License.
DuyLionTran 0:8094b249013c 15 */
DuyLionTran 0:8094b249013c 16
DuyLionTran 0:8094b249013c 17 #include <stdarg.h>
DuyLionTran 0:8094b249013c 18 #include <stdint.h>
DuyLionTran 0:8094b249013c 19 #include <stdio.h>
DuyLionTran 0:8094b249013c 20 #include <string.h>
DuyLionTran 0:8094b249013c 21
DuyLionTran 0:8094b249013c 22 #include "mbed_error.h"
DuyLionTran 0:8094b249013c 23
DuyLionTran 0:8094b249013c 24 size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
DuyLionTran 0:8094b249013c 25
DuyLionTran 0:8094b249013c 26 int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
DuyLionTran 0:8094b249013c 27 {
DuyLionTran 0:8094b249013c 28 int r;
DuyLionTran 0:8094b249013c 29 char buffer[512];
DuyLionTran 0:8094b249013c 30 if (size >= 512) {
DuyLionTran 0:8094b249013c 31 return -1;
DuyLionTran 0:8094b249013c 32 }
DuyLionTran 0:8094b249013c 33 memset(buffer, 0, size);
DuyLionTran 0:8094b249013c 34 r = vsprintf(buffer, format, arg);
DuyLionTran 0:8094b249013c 35 // this may not hit the heap but should alert the user anyways
DuyLionTran 0:8094b249013c 36 if(r > (int32_t) size) {
DuyLionTran 0:8094b249013c 37 error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
DuyLionTran 0:8094b249013c 38 return 0;
DuyLionTran 0:8094b249013c 39 }
DuyLionTran 0:8094b249013c 40 if ( r > 0 ) {
DuyLionTran 0:8094b249013c 41 BufferedSerialThunk(stream, buffer, r);
DuyLionTran 0:8094b249013c 42 }
DuyLionTran 0:8094b249013c 43 return r;
DuyLionTran 0:8094b249013c 44 }