Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

toxcore/events/conference_title.c

@@ -0,0 +1,248 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * Copyright © 2022 The TokTok team.
+ */
+
+#include "events_alloc.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../bin_pack.h"
+#include "../bin_unpack.h"
+#include "../ccompat.h"
+#include "../tox.h"
+#include "../tox_events.h"
+
+
+/*****************************************************
+ *
+ * :: struct and accessors
+ *
+ *****************************************************/
+
+
+struct Tox_Event_Conference_Title {
+    uint32_t conference_number;
+    uint32_t peer_number;
+    uint8_t *title;
+    uint32_t title_length;
+};
+
+non_null()
+static void tox_event_conference_title_construct(Tox_Event_Conference_Title *conference_title)
+{
+    *conference_title = (Tox_Event_Conference_Title) {
+        0
+    };
+}
+non_null()
+static void tox_event_conference_title_destruct(Tox_Event_Conference_Title *conference_title)
+{
+    free(conference_title->title);
+}
+
+non_null()
+static void tox_event_conference_title_set_conference_number(Tox_Event_Conference_Title *conference_title,
+        uint32_t conference_number)
+{
+    assert(conference_title != nullptr);
+    conference_title->conference_number = conference_number;
+}
+uint32_t tox_event_conference_title_get_conference_number(const Tox_Event_Conference_Title *conference_title)
+{
+    assert(conference_title != nullptr);
+    return conference_title->conference_number;
+}
+
+non_null()
+static void tox_event_conference_title_set_peer_number(Tox_Event_Conference_Title *conference_title,
+        uint32_t peer_number)
+{
+    assert(conference_title != nullptr);
+    conference_title->peer_number = peer_number;
+}
+uint32_t tox_event_conference_title_get_peer_number(const Tox_Event_Conference_Title *conference_title)
+{
+    assert(conference_title != nullptr);
+    return conference_title->peer_number;
+}
+
+non_null()
+static bool tox_event_conference_title_set_title(Tox_Event_Conference_Title *conference_title, const uint8_t *title,
+        uint32_t title_length)
+{
+    assert(conference_title != nullptr);
+
+    if (conference_title->title != nullptr) {
+        free(conference_title->title);
+        conference_title->title = nullptr;
+        conference_title->title_length = 0;
+    }
+
+    conference_title->title = (uint8_t *)malloc(title_length);
+
+    if (conference_title->title == nullptr) {
+        return false;
+    }
+
+    memcpy(conference_title->title, title, title_length);
+    conference_title->title_length = title_length;
+    return true;
+}
+uint32_t tox_event_conference_title_get_title_length(const Tox_Event_Conference_Title *conference_title)
+{
+    assert(conference_title != nullptr);
+    return conference_title->title_length;
+}
+const uint8_t *tox_event_conference_title_get_title(const Tox_Event_Conference_Title *conference_title)
+{
+    assert(conference_title != nullptr);
+    return conference_title->title;
+}
+
+non_null()
+static bool tox_event_conference_title_pack(
+    const Tox_Event_Conference_Title *event, Bin_Pack *bp)
+{
+    assert(event != nullptr);
+    return bin_pack_array(bp, 2)
+           && bin_pack_u32(bp, TOX_EVENT_CONFERENCE_TITLE)
+           && bin_pack_array(bp, 3)
+           && bin_pack_u32(bp, event->conference_number)
+           && bin_pack_u32(bp, event->peer_number)
+           && bin_pack_bin(bp, event->title, event->title_length);
+}
+
+non_null()
+static bool tox_event_conference_title_unpack(
+    Tox_Event_Conference_Title *event, Bin_Unpack *bu)
+{
+    assert(event != nullptr);
+    if (!bin_unpack_array_fixed(bu, 3)) {
+        return false;
+    }
+
+    return bin_unpack_u32(bu, &event->conference_number)
+           && bin_unpack_u32(bu, &event->peer_number)
+           && bin_unpack_bin(bu, &event->title, &event->title_length);
+}
+
+
+/*****************************************************
+ *
+ * :: add/clear/get
+ *
+ *****************************************************/
+
+
+non_null()
+static Tox_Event_Conference_Title *tox_events_add_conference_title(Tox_Events *events)
+{
+    if (events->conference_title_size == UINT32_MAX) {
+        return nullptr;
+    }
+
+    if (events->conference_title_size == events->conference_title_capacity) {
+        const uint32_t new_conference_title_capacity = events->conference_title_capacity * 2 + 1;
+        Tox_Event_Conference_Title *new_conference_title = (Tox_Event_Conference_Title *)realloc(
+                    events->conference_title, new_conference_title_capacity * sizeof(Tox_Event_Conference_Title));
+
+        if (new_conference_title == nullptr) {
+            return nullptr;
+        }
+
+        events->conference_title = new_conference_title;
+        events->conference_title_capacity = new_conference_title_capacity;
+    }
+
+    Tox_Event_Conference_Title *const conference_title = &events->conference_title[events->conference_title_size];
+    tox_event_conference_title_construct(conference_title);
+    ++events->conference_title_size;
+    return conference_title;
+}
+
+void tox_events_clear_conference_title(Tox_Events *events)
+{
+    if (events == nullptr) {
+        return;
+    }
+
+    for (uint32_t i = 0; i < events->conference_title_size; ++i) {
+        tox_event_conference_title_destruct(&events->conference_title[i]);
+    }
+
+    free(events->conference_title);
+    events->conference_title = nullptr;
+    events->conference_title_size = 0;
+    events->conference_title_capacity = 0;
+}
+
+uint32_t tox_events_get_conference_title_size(const Tox_Events *events)
+{
+    if (events == nullptr) {
+        return 0;
+    }
+
+    return events->conference_title_size;
+}
+
+const Tox_Event_Conference_Title *tox_events_get_conference_title(const Tox_Events *events, uint32_t index)
+{
+    assert(index < events->conference_title_size);
+    assert(events->conference_title != nullptr);
+    return &events->conference_title[index];
+}
+
+bool tox_events_pack_conference_title(const Tox_Events *events, Bin_Pack *bp)
+{
+    const uint32_t size = tox_events_get_conference_title_size(events);
+
+    for (uint32_t i = 0; i < size; ++i) {
+        if (!tox_event_conference_title_pack(tox_events_get_conference_title(events, i), bp)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool tox_events_unpack_conference_title(Tox_Events *events, Bin_Unpack *bu)
+{
+    Tox_Event_Conference_Title *event = tox_events_add_conference_title(events);
+
+    if (event == nullptr) {
+        return false;
+    }
+
+    return tox_event_conference_title_unpack(event, bu);
+}
+
+
+/*****************************************************
+ *
+ * :: event handler
+ *
+ *****************************************************/
+
+
+void tox_events_handle_conference_title(Tox *tox, uint32_t conference_number, uint32_t peer_number,
+                                        const uint8_t *title, size_t length, void *user_data)
+{
+    Tox_Events_State *state = tox_events_alloc(user_data);
+    assert(state != nullptr);
+
+    if (state->events == nullptr) {
+        return;
+    }
+
+    Tox_Event_Conference_Title *conference_title = tox_events_add_conference_title(state->events);
+
+    if (conference_title == nullptr) {
+        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
+        return;
+    }
+
+    tox_event_conference_title_set_conference_number(conference_title, conference_number);
+    tox_event_conference_title_set_peer_number(conference_title, peer_number);
+    tox_event_conference_title_set_title(conference_title, title, length);
+}