binary.c

// Copyright (C) 2023 Eneo Tecnologia S.L.
// Miguel Álvarez Adsuara <malvarez@redborder.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include "binary.h"

uint8_t readUint8(const uint8_t* payload, size_t offset) {
    return payload[offset];
}

uint16_t readUint16BE(const uint8_t* payload, size_t offset) {
    return (uint16_t)((payload[offset] << 8) | payload[offset + 1]);
}

uint32_t readUint32BE(const uint8_t* payload, size_t offset) {
    return (uint32_t)((payload[offset] << 24) | (payload[offset + 1] << 16) | (payload[offset + 2] << 8) | payload[offset + 3]);
}