Disco-L475VG-IOT / wifi-ism43362

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ATParser/BufferedSpi/BufferedPrint.c@0:62e55edab701, 2018-10-03 (annotated)

Committer:
marcel1691
Date:
Wed Oct 03 14:03:01 2018 +0000
Revision:
0:62e55edab701
WiFi ISM43363

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcel1691 0:62e55edab701 1 /*
marcel1691 0:62e55edab701 2 * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
marcel1691 0:62e55edab701 3 * SPDX-License-Identifier: Apache-2.0
marcel1691 0:62e55edab701 4 * Licensed under the Apache License, Version 2.0 (the License); you may
marcel1691 0:62e55edab701 5 * not use this file except in compliance with the License.
marcel1691 0:62e55edab701 6 * You may obtain a copy of the License at
marcel1691 0:62e55edab701 7 *
marcel1691 0:62e55edab701 8 * http://www.apache.org/licenses/LICENSE-2.0
marcel1691 0:62e55edab701 9 *
marcel1691 0:62e55edab701 10 * Unless required by applicable law or agreed to in writing, software
marcel1691 0:62e55edab701 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
marcel1691 0:62e55edab701 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcel1691 0:62e55edab701 13 * See the License for the specific language governing permissions and
marcel1691 0:62e55edab701 14 * limitations under the License.
marcel1691 0:62e55edab701 15 */
marcel1691 0:62e55edab701 16
marcel1691 0:62e55edab701 17 #include <stdarg.h>
marcel1691 0:62e55edab701 18 #include <stdint.h>
marcel1691 0:62e55edab701 19 #include <stdio.h>
marcel1691 0:62e55edab701 20 #include <string.h>
marcel1691 0:62e55edab701 21
marcel1691 0:62e55edab701 22 #include "mbed_error.h"
marcel1691 0:62e55edab701 23
marcel1691 0:62e55edab701 24 size_t BufferedSpiThunk(void *buf_serial, const void *s, size_t length);
marcel1691 0:62e55edab701 25
marcel1691 0:62e55edab701 26 int BufferedPrintfC(void *stream, int size, const char* format, va_list arg)
marcel1691 0:62e55edab701 27 {
marcel1691 0:62e55edab701 28 int r;
marcel1691 0:62e55edab701 29 char buffer[512];
marcel1691 0:62e55edab701 30 if (size >= 512) {
marcel1691 0:62e55edab701 31 return -1;
marcel1691 0:62e55edab701 32 }
marcel1691 0:62e55edab701 33 memset(buffer, 0, size);
marcel1691 0:62e55edab701 34 r = vsprintf(buffer, format, arg);
marcel1691 0:62e55edab701 35 // this may not hit the heap but should alert the user anyways
marcel1691 0:62e55edab701 36 if(r > (int32_t) size) {
marcel1691 0:62e55edab701 37 error("%s %d buffer overwrite (max_buf_size: %d exceeded: %d)!\r\n", __FILE__, __LINE__, size, r);
marcel1691 0:62e55edab701 38 return 0;
marcel1691 0:62e55edab701 39 }
marcel1691 0:62e55edab701 40 if ( r > 0 ) {
marcel1691 0:62e55edab701 41 BufferedSpiThunk(stream, buffer, r);
marcel1691 0:62e55edab701 42 }
marcel1691 0:62e55edab701 43 return r;
marcel1691 0:62e55edab701 44 }