forked from Green-Sky/tomato
Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69
git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
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248
toxcore/events/friend_message.c
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248
toxcore/events/friend_message.c
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/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2022 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 "../bin_pack.h"
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#include "../bin_unpack.h"
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#include "../ccompat.h"
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#include "../tox.h"
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#include "../tox_events.h"
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#include "../tox_unpack.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_Message {
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uint32_t friend_number;
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Tox_Message_Type type;
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uint8_t *message;
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uint32_t message_length;
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};
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non_null()
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static void tox_event_friend_message_construct(Tox_Event_Friend_Message *friend_message)
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{
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*friend_message = (Tox_Event_Friend_Message) {
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0
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};
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}
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non_null()
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static void tox_event_friend_message_destruct(Tox_Event_Friend_Message *friend_message)
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{
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free(friend_message->message);
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}
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non_null()
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static void tox_event_friend_message_set_friend_number(Tox_Event_Friend_Message *friend_message,
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uint32_t friend_number)
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{
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assert(friend_message != nullptr);
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friend_message->friend_number = friend_number;
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}
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uint32_t tox_event_friend_message_get_friend_number(const Tox_Event_Friend_Message *friend_message)
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{
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assert(friend_message != nullptr);
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return friend_message->friend_number;
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}
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non_null()
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static void tox_event_friend_message_set_type(Tox_Event_Friend_Message *friend_message, Tox_Message_Type type)
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{
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assert(friend_message != nullptr);
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friend_message->type = type;
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}
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Tox_Message_Type tox_event_friend_message_get_type(const Tox_Event_Friend_Message *friend_message)
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{
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assert(friend_message != nullptr);
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return friend_message->type;
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}
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non_null()
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static bool tox_event_friend_message_set_message(Tox_Event_Friend_Message *friend_message, const uint8_t *message,
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uint32_t message_length)
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{
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assert(friend_message != nullptr);
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if (friend_message->message != nullptr) {
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free(friend_message->message);
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friend_message->message = nullptr;
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friend_message->message_length = 0;
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}
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friend_message->message = (uint8_t *)malloc(message_length);
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if (friend_message->message == nullptr) {
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return false;
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}
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memcpy(friend_message->message, message, message_length);
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friend_message->message_length = message_length;
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return true;
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}
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uint32_t tox_event_friend_message_get_message_length(const Tox_Event_Friend_Message *friend_message)
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{
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assert(friend_message != nullptr);
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return friend_message->message_length;
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}
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const uint8_t *tox_event_friend_message_get_message(const Tox_Event_Friend_Message *friend_message)
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{
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assert(friend_message != nullptr);
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return friend_message->message;
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}
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non_null()
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static bool tox_event_friend_message_pack(
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const Tox_Event_Friend_Message *event, Bin_Pack *bp)
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{
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assert(event != nullptr);
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return bin_pack_array(bp, 2)
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&& bin_pack_u32(bp, TOX_EVENT_FRIEND_MESSAGE)
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&& bin_pack_array(bp, 3)
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&& bin_pack_u32(bp, event->friend_number)
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&& bin_pack_u32(bp, event->type)
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&& bin_pack_bin(bp, event->message, event->message_length);
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}
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non_null()
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static bool tox_event_friend_message_unpack(
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Tox_Event_Friend_Message *event, Bin_Unpack *bu)
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{
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assert(event != nullptr);
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if (!bin_unpack_array_fixed(bu, 3)) {
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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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&& tox_unpack_message_type(bu, &event->type)
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&& bin_unpack_bin(bu, &event->message, &event->message_length);
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}
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/*****************************************************
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*
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* :: add/clear/get
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*
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*****************************************************/
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non_null()
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static Tox_Event_Friend_Message *tox_events_add_friend_message(Tox_Events *events)
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{
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if (events->friend_message_size == UINT32_MAX) {
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return nullptr;
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}
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if (events->friend_message_size == events->friend_message_capacity) {
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const uint32_t new_friend_message_capacity = events->friend_message_capacity * 2 + 1;
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Tox_Event_Friend_Message *new_friend_message = (Tox_Event_Friend_Message *)realloc(
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events->friend_message, new_friend_message_capacity * sizeof(Tox_Event_Friend_Message));
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if (new_friend_message == nullptr) {
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return nullptr;
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}
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events->friend_message = new_friend_message;
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events->friend_message_capacity = new_friend_message_capacity;
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}
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Tox_Event_Friend_Message *const friend_message = &events->friend_message[events->friend_message_size];
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tox_event_friend_message_construct(friend_message);
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++events->friend_message_size;
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return friend_message;
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}
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void tox_events_clear_friend_message(Tox_Events *events)
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{
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if (events == nullptr) {
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return;
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}
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for (uint32_t i = 0; i < events->friend_message_size; ++i) {
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tox_event_friend_message_destruct(&events->friend_message[i]);
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}
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free(events->friend_message);
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events->friend_message = nullptr;
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events->friend_message_size = 0;
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events->friend_message_capacity = 0;
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}
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uint32_t tox_events_get_friend_message_size(const Tox_Events *events)
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{
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if (events == nullptr) {
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return 0;
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}
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return events->friend_message_size;
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}
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const Tox_Event_Friend_Message *tox_events_get_friend_message(const Tox_Events *events, uint32_t index)
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{
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assert(index < events->friend_message_size);
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assert(events->friend_message != nullptr);
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return &events->friend_message[index];
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}
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bool tox_events_pack_friend_message(const Tox_Events *events, Bin_Pack *bp)
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{
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const uint32_t size = tox_events_get_friend_message_size(events);
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for (uint32_t i = 0; i < size; ++i) {
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if (!tox_event_friend_message_pack(tox_events_get_friend_message(events, i), bp)) {
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return false;
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}
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}
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return true;
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}
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bool tox_events_unpack_friend_message(Tox_Events *events, Bin_Unpack *bu)
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{
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Tox_Event_Friend_Message *event = tox_events_add_friend_message(events);
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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_message_unpack(event, bu);
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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_message(Tox *tox, uint32_t friend_number, Tox_Message_Type type, const uint8_t *message,
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size_t length, void *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;
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}
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Tox_Event_Friend_Message *friend_message = tox_events_add_friend_message(state->events);
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if (friend_message == nullptr) {
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state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
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return;
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}
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tox_event_friend_message_set_friend_number(friend_message, friend_number);
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tox_event_friend_message_set_type(friend_message, type);
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tox_event_friend_message_set_message(friend_message, message, length);
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}
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