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

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

toxcore/events/group_self_join.c

@@ -0,0 +1,193 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * Copyright © 2023 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"
+#include "../tox_unpack.h"
+
+
+/*****************************************************
+ *
+ * :: struct and accessors
+ *
+ *****************************************************/
+
+
+struct Tox_Event_Group_Self_Join {
+    uint32_t group_number;
+};
+
+non_null()
+static void tox_event_group_self_join_construct(Tox_Event_Group_Self_Join *group_self_join)
+{
+    *group_self_join = (Tox_Event_Group_Self_Join) {
+        0
+    };
+}
+non_null()
+static void tox_event_group_self_join_destruct(Tox_Event_Group_Self_Join *group_self_join)
+{
+    return;
+}
+
+non_null()
+static void tox_event_group_self_join_set_group_number(Tox_Event_Group_Self_Join *group_self_join,
+        uint32_t group_number)
+{
+    assert(group_self_join != nullptr);
+    group_self_join->group_number = group_number;
+}
+uint32_t tox_event_group_self_join_get_group_number(const Tox_Event_Group_Self_Join *group_self_join)
+{
+    assert(group_self_join != nullptr);
+    return group_self_join->group_number;
+}
+
+non_null()
+static bool tox_event_group_self_join_pack(
+    const Tox_Event_Group_Self_Join *event, Bin_Pack *bp)
+{
+    assert(event != nullptr);
+    return bin_pack_array(bp, 2)
+           && bin_pack_u32(bp, TOX_EVENT_GROUP_SELF_JOIN)
+
+           && bin_pack_u32(bp, event->group_number);
+}
+
+non_null()
+static bool tox_event_group_self_join_unpack(
+    Tox_Event_Group_Self_Join *event, Bin_Unpack *bu)
+{
+    assert(event != nullptr);
+    return bin_unpack_u32(bu, &event->group_number);
+}
+
+
+/*****************************************************
+ *
+ * :: add/clear/get
+ *
+ *****************************************************/
+
+
+non_null()
+static Tox_Event_Group_Self_Join *tox_events_add_group_self_join(Tox_Events *events)
+{
+    if (events->group_self_join_size == UINT32_MAX) {
+        return nullptr;
+    }
+
+    if (events->group_self_join_size == events->group_self_join_capacity) {
+        const uint32_t new_group_self_join_capacity = events->group_self_join_capacity * 2 + 1;
+        Tox_Event_Group_Self_Join *new_group_self_join = (Tox_Event_Group_Self_Join *)
+                realloc(
+                    events->group_self_join,
+                    new_group_self_join_capacity * sizeof(Tox_Event_Group_Self_Join));
+
+        if (new_group_self_join == nullptr) {
+            return nullptr;
+        }
+
+        events->group_self_join = new_group_self_join;
+        events->group_self_join_capacity = new_group_self_join_capacity;
+    }
+
+    Tox_Event_Group_Self_Join *const group_self_join =
+        &events->group_self_join[events->group_self_join_size];
+    tox_event_group_self_join_construct(group_self_join);
+    ++events->group_self_join_size;
+    return group_self_join;
+}
+
+void tox_events_clear_group_self_join(Tox_Events *events)
+{
+    if (events == nullptr) {
+        return;
+    }
+
+    for (uint32_t i = 0; i < events->group_self_join_size; ++i) {
+        tox_event_group_self_join_destruct(&events->group_self_join[i]);
+    }
+
+    free(events->group_self_join);
+    events->group_self_join = nullptr;
+    events->group_self_join_size = 0;
+    events->group_self_join_capacity = 0;
+}
+
+uint32_t tox_events_get_group_self_join_size(const Tox_Events *events)
+{
+    if (events == nullptr) {
+        return 0;
+    }
+
+    return events->group_self_join_size;
+}
+
+const Tox_Event_Group_Self_Join *tox_events_get_group_self_join(const Tox_Events *events, uint32_t index)
+{
+    assert(index < events->group_self_join_size);
+    assert(events->group_self_join != nullptr);
+    return &events->group_self_join[index];
+}
+
+bool tox_events_pack_group_self_join(const Tox_Events *events, Bin_Pack *bp)
+{
+    const uint32_t size = tox_events_get_group_self_join_size(events);
+
+    for (uint32_t i = 0; i < size; ++i) {
+        if (!tox_event_group_self_join_pack(tox_events_get_group_self_join(events, i), bp)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool tox_events_unpack_group_self_join(Tox_Events *events, Bin_Unpack *bu)
+{
+    Tox_Event_Group_Self_Join *event = tox_events_add_group_self_join(events);
+
+    if (event == nullptr) {
+        return false;
+    }
+
+    return tox_event_group_self_join_unpack(event, bu);
+}
+
+
+/*****************************************************
+ *
+ * :: event handler
+ *
+ *****************************************************/
+
+
+void tox_events_handle_group_self_join(Tox *tox, uint32_t group_number,
+        void *user_data)
+{
+    Tox_Events_State *state = tox_events_alloc(user_data);
+    assert(state != nullptr);
+
+    if (state->events == nullptr) {
+        return;
+    }
+
+    Tox_Event_Group_Self_Join *group_self_join = tox_events_add_group_self_join(state->events);
+
+    if (group_self_join == nullptr) {
+        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
+        return;
+    }
+
+    tox_event_group_self_join_set_group_number(group_self_join, group_number);
+}