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easy-connect/esp8266-driver/ESP8266/ATParser/BufferedSerial/BufferedPrint.c@0:a49e37a83a7a, 2019-04-15 (annotated)

Committer:
DuaaAbusharkh
Date:
Mon Apr 15 08:30:22 2019 +0000
Revision:
0:a49e37a83a7a
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
DuaaAbusharkh 0:a49e37a83a7a 1 /*
DuaaAbusharkh 0:a49e37a83a7a 2 * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
DuaaAbusharkh 0:a49e37a83a7a 3 * SPDX-License-Identifier: Apache-2.0
DuaaAbusharkh 0:a49e37a83a7a 4 * Licensed under the Apache License, Version 2.0 (the License); you may
DuaaAbusharkh 0:a49e37a83a7a 5 * not use this file except in compliance with the License.
DuaaAbusharkh 0:a49e37a83a7a 6 * You may obtain a copy of the License at
DuaaAbusharkh 0:a49e37a83a7a 7 *
DuaaAbusharkh 0:a49e37a83a7a 8 * http://www.apache.org/licenses/LICENSE-2.0
DuaaAbusharkh 0:a49e37a83a7a 9 *
DuaaAbusharkh 0:a49e37a83a7a 10 * Unless required by applicable law or agreed to in writing, software
DuaaAbusharkh 0:a49e37a83a7a 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
DuaaAbusharkh 0:a49e37a83a7a 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
DuaaAbusharkh 0:a49e37a83a7a 13 * See the License for the specific language governing permissions and
DuaaAbusharkh 0:a49e37a83a7a 14 * limitations under the License.
DuaaAbusharkh 0:a49e37a83a7a 15 */
DuaaAbusharkh 0:a49e37a83a7a 16
DuaaAbusharkh 0:a49e37a83a7a 17 #include <stdarg.h>
DuaaAbusharkh 0:a49e37a83a7a 18 #include <stdint.h>
DuaaAbusharkh 0:a49e37a83a7a 19 #include <stdio.h>
DuaaAbusharkh 0:a49e37a83a7a 20 #include <string.h>
DuaaAbusharkh 0:a49e37a83a7a 21
DuaaAbusharkh 0:a49e37a83a7a 22 #include "mbed_error.h"
DuaaAbusharkh 0:a49e37a83a7a 23
DuaaAbusharkh 0:a49e37a83a7a 24 size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
DuaaAbusharkh 0:a49e37a83a7a 25
DuaaAbusharkh 0:a49e37a83a7a 26 int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
DuaaAbusharkh 0:a49e37a83a7a 27 {
DuaaAbusharkh 0:a49e37a83a7a 28 int r;
DuaaAbusharkh 0:a49e37a83a7a 29 char buffer[512];
DuaaAbusharkh 0:a49e37a83a7a 30 if (size >= 512) {
DuaaAbusharkh 0:a49e37a83a7a 31 return -1;
DuaaAbusharkh 0:a49e37a83a7a 32 }
DuaaAbusharkh 0:a49e37a83a7a 33 memset(buffer, 0, size);
DuaaAbusharkh 0:a49e37a83a7a 34 r = vsprintf(buffer, format, arg);
DuaaAbusharkh 0:a49e37a83a7a 35 // this may not hit the heap but should alert the user anyways
DuaaAbusharkh 0:a49e37a83a7a 36 if(r > (int32_t) size) {
DuaaAbusharkh 0:a49e37a83a7a 37 error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
DuaaAbusharkh 0:a49e37a83a7a 38 return 0;
DuaaAbusharkh 0:a49e37a83a7a 39 }
DuaaAbusharkh 0:a49e37a83a7a 40 if ( r > 0 ) {
DuaaAbusharkh 0:a49e37a83a7a 41 BufferedSerialThunk(stream, buffer, r);
DuaaAbusharkh 0:a49e37a83a7a 42 }
DuaaAbusharkh 0:a49e37a83a7a 43 return r;
DuaaAbusharkh 0:a49e37a83a7a 44 }