Coverage Report

Created: 2025-10-08 19:34

/work/toxcore/events/friend_lossy_packet.c
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/* SPDX-License-Identifier: GPL-3.0-or-later
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 * Copyright © 2023-2025 The TokTok team.
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 */
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#include "events_alloc.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../attributes.h"
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#include "../bin_pack.h"
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#include "../bin_unpack.h"
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#include "../ccompat.h"
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#include "../mem.h"
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#include "../tox.h"
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#include "../tox_event.h"
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#include "../tox_events.h"
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/*****************************************************
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 *
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 * :: struct and accessors
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 *
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 *****************************************************/
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struct Tox_Event_Friend_Lossy_Packet {
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    uint32_t friend_number;
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    uint8_t *data;
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    uint32_t data_length;
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};
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static void tox_event_friend_lossy_packet_set_friend_number(Tox_Event_Friend_Lossy_Packet *_Nonnull friend_lossy_packet, uint32_t friend_number)
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{
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    assert(friend_lossy_packet != nullptr);
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    friend_lossy_packet->friend_number = friend_number;
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}
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uint32_t tox_event_friend_lossy_packet_get_friend_number(const Tox_Event_Friend_Lossy_Packet *friend_lossy_packet)
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{
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    assert(friend_lossy_packet != nullptr);
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    return friend_lossy_packet->friend_number;
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}
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static bool tox_event_friend_lossy_packet_set_data(Tox_Event_Friend_Lossy_Packet *_Nonnull friend_lossy_packet,
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        const uint8_t *_Nullable data, uint32_t data_length)
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{
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    assert(friend_lossy_packet != nullptr);
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    if (friend_lossy_packet->data != nullptr) {
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        free(friend_lossy_packet->data);
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        friend_lossy_packet->data = nullptr;
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        friend_lossy_packet->data_length = 0;
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    }
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    if (data == nullptr) {
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        assert(data_length == 0);
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        return true;
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    }
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    uint8_t *data_copy = (uint8_t *)malloc(data_length);
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    if (data_copy == nullptr) {
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        return false;
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    }
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    memcpy(data_copy, data, data_length);
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    friend_lossy_packet->data = data_copy;
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    friend_lossy_packet->data_length = data_length;
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    return true;
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}
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uint32_t tox_event_friend_lossy_packet_get_data_length(const Tox_Event_Friend_Lossy_Packet *friend_lossy_packet)
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{
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    assert(friend_lossy_packet != nullptr);
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    return friend_lossy_packet->data_length;
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}
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const uint8_t *tox_event_friend_lossy_packet_get_data(const Tox_Event_Friend_Lossy_Packet *friend_lossy_packet)
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{
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    assert(friend_lossy_packet != nullptr);
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    return friend_lossy_packet->data;
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}
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static void tox_event_friend_lossy_packet_construct(Tox_Event_Friend_Lossy_Packet *_Nonnull friend_lossy_packet)
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{
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    *friend_lossy_packet = (Tox_Event_Friend_Lossy_Packet) {
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        0
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    };
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}
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static void tox_event_friend_lossy_packet_destruct(Tox_Event_Friend_Lossy_Packet *_Nonnull friend_lossy_packet, const Memory *_Nonnull mem)
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{
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    free(friend_lossy_packet->data);
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}
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bool tox_event_friend_lossy_packet_pack(
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    const Tox_Event_Friend_Lossy_Packet *event, Bin_Pack *bp)
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{
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    return bin_pack_array(bp, 2)
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           && bin_pack_u32(bp, event->friend_number)
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           && bin_pack_bin(bp, event->data, event->data_length);
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}
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static bool tox_event_friend_lossy_packet_unpack_into(Tox_Event_Friend_Lossy_Packet *_Nonnull event, Bin_Unpack *_Nonnull bu)
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{
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    assert(event != nullptr);
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    if (!bin_unpack_array_fixed(bu, 2, nullptr)) {
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        return false;
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    }
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    return bin_unpack_u32(bu, &event->friend_number)
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           && bin_unpack_bin(bu, &event->data, &event->data_length);
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}
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/*****************************************************
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 *
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 * :: new/free/add/get/size/unpack
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 *
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 *****************************************************/
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const Tox_Event_Friend_Lossy_Packet *tox_event_get_friend_lossy_packet(const Tox_Event *event)
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{
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    return event->type == TOX_EVENT_FRIEND_LOSSY_PACKET ? event->data.friend_lossy_packet : nullptr;
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}
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Tox_Event_Friend_Lossy_Packet *tox_event_friend_lossy_packet_new(const Memory *mem)
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{
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    Tox_Event_Friend_Lossy_Packet *const friend_lossy_packet =
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        (Tox_Event_Friend_Lossy_Packet *)mem_alloc(mem, sizeof(Tox_Event_Friend_Lossy_Packet));
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    if (friend_lossy_packet == nullptr) {
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        return nullptr;
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    }
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    tox_event_friend_lossy_packet_construct(friend_lossy_packet);
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    return friend_lossy_packet;
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}
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void tox_event_friend_lossy_packet_free(Tox_Event_Friend_Lossy_Packet *friend_lossy_packet, const Memory *mem)
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{
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    if (friend_lossy_packet != nullptr) {
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        tox_event_friend_lossy_packet_destruct(friend_lossy_packet, mem);
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    }
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    mem_delete(mem, friend_lossy_packet);
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}
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static Tox_Event_Friend_Lossy_Packet *tox_events_add_friend_lossy_packet(Tox_Events *_Nonnull events, const Memory *_Nonnull mem)
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{
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    Tox_Event_Friend_Lossy_Packet *const friend_lossy_packet = tox_event_friend_lossy_packet_new(mem);
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    if (friend_lossy_packet == nullptr) {
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        return nullptr;
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    }
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    Tox_Event event;
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    event.type = TOX_EVENT_FRIEND_LOSSY_PACKET;
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    event.data.friend_lossy_packet = friend_lossy_packet;
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    if (!tox_events_add(events, &event)) {
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        tox_event_friend_lossy_packet_free(friend_lossy_packet, mem);
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        return nullptr;
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    }
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    return friend_lossy_packet;
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}
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bool tox_event_friend_lossy_packet_unpack(
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    Tox_Event_Friend_Lossy_Packet **event, Bin_Unpack *bu, const Memory *mem)
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{
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    assert(event != nullptr);
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    assert(*event == nullptr);
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    *event = tox_event_friend_lossy_packet_new(mem);
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    if (*event == nullptr) {
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        return false;
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    }
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    return tox_event_friend_lossy_packet_unpack_into(*event, bu);
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}
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static Tox_Event_Friend_Lossy_Packet *tox_event_friend_lossy_packet_alloc(void *_Nonnull user_data)
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{
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    Tox_Events_State *state = tox_events_alloc(user_data);
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    assert(state != nullptr);
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    if (state->events == nullptr) {
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        return nullptr;
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    }
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    Tox_Event_Friend_Lossy_Packet *friend_lossy_packet = tox_events_add_friend_lossy_packet(state->events, state->mem);
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    if (friend_lossy_packet == nullptr) {
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        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
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        return nullptr;
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    }
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    return friend_lossy_packet;
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}
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/*****************************************************
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 *
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 * :: event handler
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 *
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 *****************************************************/
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void tox_events_handle_friend_lossy_packet(
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    Tox *tox, uint32_t friend_number, const uint8_t *data, size_t length,
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    void *user_data)
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{
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    Tox_Event_Friend_Lossy_Packet *friend_lossy_packet = tox_event_friend_lossy_packet_alloc(user_data);
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    if (friend_lossy_packet == nullptr) {
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        return;
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    }
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    tox_event_friend_lossy_packet_set_friend_number(friend_lossy_packet, friend_number);
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    tox_event_friend_lossy_packet_set_data(friend_lossy_packet, data, length);
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}