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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286
toxcore/events/group_message.c
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286
toxcore/events/group_message.c
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/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2023 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_Group_Message {
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uint32_t group_number;
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uint32_t peer_id;
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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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uint32_t message_id;
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};
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non_null()
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static void tox_event_group_message_construct(Tox_Event_Group_Message *group_message)
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{
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*group_message = (Tox_Event_Group_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_group_message_destruct(Tox_Event_Group_Message *group_message)
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{
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free(group_message->message);
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}
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non_null()
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static void tox_event_group_message_set_group_number(Tox_Event_Group_Message *group_message,
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uint32_t group_number)
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{
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assert(group_message != nullptr);
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group_message->group_number = group_number;
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}
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uint32_t tox_event_group_message_get_group_number(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->group_number;
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}
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non_null()
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static void tox_event_group_message_set_peer_id(Tox_Event_Group_Message *group_message,
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uint32_t peer_id)
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{
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assert(group_message != nullptr);
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group_message->peer_id = peer_id;
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}
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uint32_t tox_event_group_message_get_peer_id(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->peer_id;
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}
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non_null()
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static void tox_event_group_message_set_type(Tox_Event_Group_Message *group_message,
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Tox_Message_Type type)
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{
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assert(group_message != nullptr);
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group_message->type = type;
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}
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Tox_Message_Type tox_event_group_message_get_type(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->type;
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}
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non_null()
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static bool tox_event_group_message_set_message(Tox_Event_Group_Message *group_message,
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const uint8_t *message, uint32_t message_length)
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{
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assert(group_message != nullptr);
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if (group_message->message != nullptr) {
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free(group_message->message);
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group_message->message = nullptr;
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group_message->message_length = 0;
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}
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group_message->message = (uint8_t *)malloc(message_length);
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if (group_message->message == nullptr) {
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return false;
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}
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memcpy(group_message->message, message, message_length);
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group_message->message_length = message_length;
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return true;
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}
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size_t tox_event_group_message_get_message_length(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->message_length;
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}
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const uint8_t *tox_event_group_message_get_message(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->message;
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}
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non_null()
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static void tox_event_group_message_set_message_id(Tox_Event_Group_Message *group_message,
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uint32_t message_id)
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{
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assert(group_message != nullptr);
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group_message->message_id = message_id;
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}
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uint32_t tox_event_group_message_get_message_id(const Tox_Event_Group_Message *group_message)
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{
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assert(group_message != nullptr);
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return group_message->message_id;
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}
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non_null()
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static bool tox_event_group_message_pack(
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const Tox_Event_Group_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_GROUP_MESSAGE)
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&& bin_pack_array(bp, 5)
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&& bin_pack_u32(bp, event->group_number)
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&& bin_pack_u32(bp, event->peer_id)
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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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&& bin_pack_u32(bp, event->message_id);
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}
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non_null()
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static bool tox_event_group_message_unpack(
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Tox_Event_Group_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, 5)) {
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return false;
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}
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return bin_unpack_u32(bu, &event->group_number)
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&& bin_unpack_u32(bu, &event->peer_id)
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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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&& bin_unpack_u32(bu, &event->message_id);
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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_Group_Message *tox_events_add_group_message(Tox_Events *events)
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{
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if (events->group_message_size == UINT32_MAX) {
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return nullptr;
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}
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if (events->group_message_size == events->group_message_capacity) {
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const uint32_t new_group_message_capacity = events->group_message_capacity * 2 + 1;
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Tox_Event_Group_Message *new_group_message = (Tox_Event_Group_Message *)
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realloc(
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events->group_message,
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new_group_message_capacity * sizeof(Tox_Event_Group_Message));
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if (new_group_message == nullptr) {
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return nullptr;
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}
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events->group_message = new_group_message;
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events->group_message_capacity = new_group_message_capacity;
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}
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Tox_Event_Group_Message *const group_message =
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&events->group_message[events->group_message_size];
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tox_event_group_message_construct(group_message);
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++events->group_message_size;
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return group_message;
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}
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void tox_events_clear_group_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->group_message_size; ++i) {
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tox_event_group_message_destruct(&events->group_message[i]);
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}
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free(events->group_message);
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events->group_message = nullptr;
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events->group_message_size = 0;
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events->group_message_capacity = 0;
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}
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uint32_t tox_events_get_group_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->group_message_size;
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}
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const Tox_Event_Group_Message *tox_events_get_group_message(const Tox_Events *events, uint32_t index)
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{
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assert(index < events->group_message_size);
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assert(events->group_message != nullptr);
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return &events->group_message[index];
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}
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bool tox_events_pack_group_message(const Tox_Events *events, Bin_Pack *bp)
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{
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const uint32_t size = tox_events_get_group_message_size(events);
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for (uint32_t i = 0; i < size; ++i) {
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if (!tox_event_group_message_pack(tox_events_get_group_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_group_message(Tox_Events *events, Bin_Unpack *bu)
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{
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Tox_Event_Group_Message *event = tox_events_add_group_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_group_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_group_message(Tox *tox, uint32_t group_number, uint32_t peer_id, Tox_Message_Type type, const uint8_t *message, size_t length, uint32_t message_id,
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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_Group_Message *group_message = tox_events_add_group_message(state->events);
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if (group_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_group_message_set_group_number(group_message, group_number);
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tox_event_group_message_set_peer_id(group_message, peer_id);
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tox_event_group_message_set_type(group_message, type);
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tox_event_group_message_set_message(group_message, message, length);
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tox_event_group_message_set_message_id(group_message, message_id);
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}
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