Christopher Foley / Mbed OS ESE519_WIFI_CONTROLLER

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Fork of ESE519_Lab6_part1_skeleton by Carter Sharer

esp8266-driver/ESP8266/ATParser/BufferedSerial/BufferedPrint.c@12:ea030e3181d3, 2019-11-01 (annotated)

Committer:
hydroguy45
Date:
Fri Nov 01 18:52:45 2019 +0000
Revision:
12:ea030e3181d3
Parent:
7:ca226305d28b 
Cleaned up the header

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hydroguy45 7:ca226305d28b 1 /*
hydroguy45 7:ca226305d28b 2 * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
hydroguy45 7:ca226305d28b 3 * SPDX-License-Identifier: Apache-2.0
hydroguy45 7:ca226305d28b 4 * Licensed under the Apache License, Version 2.0 (the License); you may
hydroguy45 7:ca226305d28b 5 * not use this file except in compliance with the License.
hydroguy45 7:ca226305d28b 6 * You may obtain a copy of the License at
hydroguy45 7:ca226305d28b 7 *
hydroguy45 7:ca226305d28b 8 * http://www.apache.org/licenses/LICENSE-2.0
hydroguy45 7:ca226305d28b 9 *
hydroguy45 7:ca226305d28b 10 * Unless required by applicable law or agreed to in writing, software
hydroguy45 7:ca226305d28b 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
hydroguy45 7:ca226305d28b 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
hydroguy45 7:ca226305d28b 13 * See the License for the specific language governing permissions and
hydroguy45 7:ca226305d28b 14 * limitations under the License.
hydroguy45 7:ca226305d28b 15 */
hydroguy45 7:ca226305d28b 16
hydroguy45 7:ca226305d28b 17 #include <stdarg.h>
hydroguy45 7:ca226305d28b 18 #include <stdint.h>
hydroguy45 7:ca226305d28b 19 #include <stdio.h>
hydroguy45 7:ca226305d28b 20 #include <string.h>
hydroguy45 7:ca226305d28b 21
hydroguy45 7:ca226305d28b 22 #include "mbed_error.h"
hydroguy45 7:ca226305d28b 23
hydroguy45 7:ca226305d28b 24 size_t BufferedSerialThunk(void *buf_serial, const void *s, size_t length);
hydroguy45 7:ca226305d28b 25
hydroguy45 7:ca226305d28b 26 int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
hydroguy45 7:ca226305d28b 27 {
hydroguy45 7:ca226305d28b 28 int r;
hydroguy45 7:ca226305d28b 29 char buffer[512];
hydroguy45 7:ca226305d28b 30 if (size >= 512) {
hydroguy45 7:ca226305d28b 31 return -1;
hydroguy45 7:ca226305d28b 32 }
hydroguy45 7:ca226305d28b 33 memset(buffer, 0, size);
hydroguy45 7:ca226305d28b 34 r = vsprintf(buffer, format, arg);
hydroguy45 7:ca226305d28b 35 // this may not hit the heap but should alert the user anyways
hydroguy45 7:ca226305d28b 36 if(r > (int32_t) size) {
hydroguy45 7:ca226305d28b 37 error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
hydroguy45 7:ca226305d28b 38 return 0;
hydroguy45 7:ca226305d28b 39 }
hydroguy45 7:ca226305d28b 40 if ( r > 0 ) {
hydroguy45 7:ca226305d28b 41 BufferedSerialThunk(stream, buffer, r);
hydroguy45 7:ca226305d28b 42 }
hydroguy45 7:ca226305d28b 43 return r;
hydroguy45 7:ca226305d28b 44 }