| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <tinycbor/cbor_buf_reader.h> |
| #include <tinycbor/extract_number_p.h> |
| |
| static uint8_t |
| cbuf_buf_reader_get8(struct cbor_decoder_reader *d, int offset) |
| { |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| return cb->buffer[offset]; |
| } |
| |
| static uint16_t |
| cbuf_buf_reader_get16(struct cbor_decoder_reader *d, int offset) |
| { |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| return get16(cb->buffer + offset); |
| } |
| |
| static uint32_t |
| cbuf_buf_reader_get32(struct cbor_decoder_reader *d, int offset) |
| { |
| uint32_t val; |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| val = get32(cb->buffer + offset); |
| return val; |
| } |
| |
| static uint64_t |
| cbuf_buf_reader_get64(struct cbor_decoder_reader *d, int offset) |
| { |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| return get64(cb->buffer + offset); |
| } |
| |
| static uintptr_t |
| cbor_buf_reader_cmp(struct cbor_decoder_reader *d, char *dst, int src_offset, |
| size_t len) |
| { |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| return memcmp(dst, cb->buffer + src_offset, len) == 0; |
| } |
| |
| static uintptr_t |
| cbor_buf_reader_cpy(struct cbor_decoder_reader *d, char *dst, int src_offset, |
| size_t len) |
| { |
| struct cbor_buf_reader *cb = (struct cbor_buf_reader *) d; |
| return (uintptr_t) memcpy(dst, cb->buffer + src_offset, len); |
| } |
| |
| void |
| cbor_buf_reader_init(struct cbor_buf_reader *cb, const uint8_t *buffer, |
| size_t data) |
| { |
| cb->buffer = buffer; |
| cb->r.get8 = &cbuf_buf_reader_get8; |
| cb->r.get16 = &cbuf_buf_reader_get16; |
| cb->r.get32 = &cbuf_buf_reader_get32; |
| cb->r.get64 = &cbuf_buf_reader_get64; |
| cb->r.cmp = &cbor_buf_reader_cmp; |
| cb->r.cpy = &cbor_buf_reader_cpy; |
| cb->r.message_size = data; |
| } |