/*
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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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#include "os/endian.h"
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void
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put_le16(void *buf, uint16_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)x;
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u8ptr[1] = (uint8_t)(x >> 8);
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}
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void
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put_le24(void *buf, uint32_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)x;
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u8ptr[1] = (uint8_t)(x >> 8);
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u8ptr[2] = (uint8_t)(x >> 16);
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}
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void
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put_le32(void *buf, uint32_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)x;
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u8ptr[1] = (uint8_t)(x >> 8);
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u8ptr[2] = (uint8_t)(x >> 16);
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u8ptr[3] = (uint8_t)(x >> 24);
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}
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void
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put_le64(void *buf, uint64_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)x;
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u8ptr[1] = (uint8_t)(x >> 8);
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u8ptr[2] = (uint8_t)(x >> 16);
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u8ptr[3] = (uint8_t)(x >> 24);
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u8ptr[4] = (uint8_t)(x >> 32);
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u8ptr[5] = (uint8_t)(x >> 40);
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u8ptr[6] = (uint8_t)(x >> 48);
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u8ptr[7] = (uint8_t)(x >> 56);
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}
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uint16_t
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get_le16(const void *buf)
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{
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const uint8_t *u8ptr;
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uint16_t x;
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u8ptr = buf;
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x = u8ptr[0];
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x |= (uint16_t)u8ptr[1] << 8;
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return x;
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}
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uint32_t
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get_le24(const void *buf)
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{
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const uint8_t *u8ptr;
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uint32_t x;
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u8ptr = buf;
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x = u8ptr[0];
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x |= (uint32_t)u8ptr[1] << 8;
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x |= (uint32_t)u8ptr[2] << 16;
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return x;
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}
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uint32_t
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get_le32(const void *buf)
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{
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const uint8_t *u8ptr;
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uint32_t x;
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u8ptr = buf;
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x = u8ptr[0];
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x |= (uint32_t)u8ptr[1] << 8;
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x |= (uint32_t)u8ptr[2] << 16;
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x |= (uint32_t)u8ptr[3] << 24;
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return x;
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}
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uint64_t
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get_le64(const void *buf)
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{
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const uint8_t *u8ptr;
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uint64_t x;
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u8ptr = buf;
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x = u8ptr[0];
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x |= (uint64_t)u8ptr[1] << 8;
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x |= (uint64_t)u8ptr[2] << 16;
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x |= (uint64_t)u8ptr[3] << 24;
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x |= (uint64_t)u8ptr[4] << 32;
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x |= (uint64_t)u8ptr[5] << 40;
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x |= (uint64_t)u8ptr[6] << 48;
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x |= (uint64_t)u8ptr[7] << 56;
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return x;
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}
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void
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put_be16(void *buf, uint16_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)(x >> 8);
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u8ptr[1] = (uint8_t)x;
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}
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void
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put_be24(void *buf, uint32_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)(x >> 16);
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u8ptr[1] = (uint8_t)(x >> 8);
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u8ptr[2] = (uint8_t)x;
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}
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void
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put_be32(void *buf, uint32_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)(x >> 24);
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u8ptr[1] = (uint8_t)(x >> 16);
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u8ptr[2] = (uint8_t)(x >> 8);
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u8ptr[3] = (uint8_t)x;
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}
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void
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put_be64(void *buf, uint64_t x)
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{
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uint8_t *u8ptr;
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u8ptr = buf;
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u8ptr[0] = (uint8_t)(x >> 56);
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u8ptr[1] = (uint8_t)(x >> 48);
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u8ptr[2] = (uint8_t)(x >> 40);
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u8ptr[3] = (uint8_t)(x >> 32);
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u8ptr[4] = (uint8_t)(x >> 24);
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u8ptr[5] = (uint8_t)(x >> 16);
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u8ptr[6] = (uint8_t)(x >> 8);
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u8ptr[7] = (uint8_t)x;
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}
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uint16_t
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get_be16(const void *buf)
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{
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const uint8_t *u8ptr;
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uint16_t x;
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u8ptr = buf;
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x = (uint16_t)u8ptr[0] << 8;
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x |= u8ptr[1];
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return x;
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}
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uint32_t
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get_be24(const void *buf)
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{
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const uint8_t *u8ptr;
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uint32_t x;
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u8ptr = buf;
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x = (uint32_t)u8ptr[0] << 16;
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x |= (uint32_t)u8ptr[1] << 8;
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x |= (uint32_t)u8ptr[2];
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return x;
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}
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uint32_t
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get_be32(const void *buf)
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{
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const uint8_t *u8ptr;
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uint32_t x;
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u8ptr = buf;
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x = (uint32_t)u8ptr[0] << 24;
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x |= (uint32_t)u8ptr[1] << 16;
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x |= (uint32_t)u8ptr[2] << 8;
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x |= u8ptr[3];
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return x;
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}
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uint64_t
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get_be64(const void *buf)
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{
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const uint8_t *u8ptr;
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uint64_t x;
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u8ptr = buf;
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x = (uint64_t)u8ptr[0] << 56;
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x |= (uint64_t)u8ptr[1] << 48;
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x |= (uint64_t)u8ptr[2] << 40;
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x |= (uint64_t)u8ptr[3] << 32;
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x |= (uint64_t)u8ptr[4] << 24;
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x |= (uint64_t)u8ptr[5] << 16;
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x |= (uint64_t)u8ptr[6] << 8;
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x |= u8ptr[7];
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return x;
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}
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void
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swap_in_place(void *buf, int len)
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{
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uint8_t *u8ptr;
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uint8_t tmp;
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int i;
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int j;
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u8ptr = buf;
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for (i = 0, j = len - 1; i < j; i++, j--) {
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tmp = u8ptr[i];
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u8ptr[i] = u8ptr[j];
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u8ptr[j] = tmp;
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}
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}
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/* swap octets */
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void
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swap_buf(uint8_t *dst, const uint8_t *src, int len)
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{
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int i;
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for (i = 0; i < len; i++) {
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dst[len - 1 - i] = src[i];
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}
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}
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