/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef CBOR_CNT_WRITER_H
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#define CBOR_CNT_WRITER_H
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#include "cbor.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* use this count writer if you want to try out a cbor encoding to see
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* how long it would be (before allocating memory). This replaced the
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* code in tinycbor.h that would try to do this once the encoding failed
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* in a buffer. Its much easier to understand this way (for me)
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*/
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struct CborCntWriter {
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struct cbor_encoder_writer enc;
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};
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static inline int
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cbor_cnt_writer(struct cbor_encoder_writer *arg, const char *data, int len) {
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struct CborCntWriter *cb = (struct CborCntWriter *) arg;
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cb->enc.bytes_written += len;
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return CborNoError;
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}
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static inline void
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cbor_cnt_writer_init(struct CborCntWriter *cb) {
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cb->enc.bytes_written = 0;
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cb->enc.write = &cbor_cnt_writer;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* CBOR_CNT_WRITER_H */
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