Squashed 'external/toxcore/c-toxcore/' changes from 67badf694..82460b212

82460b212 feat: add ngc events
24b54722a fix: Ensure we have allocators available for the error paths.
48dbcfebc cleanup: Remove redundant `-DSODIUM_EXPORT` from definitions.
0cef46ee9 cleanup: Fix a few more clang-tidy warnings.
0c5b918e9 cleanup: Fix a few more clang-tidy warnings.
4d3c97f49 cleanup: Enforce stricter identifier naming using clang-tidy.
a549807df refactor: Add `mem` module to allow tests to override allocators.
6133fb153 chore: Add devcontainer setup for codespaces.
620e07ecd chore: Set a timeout for tests started using Conan
c0ec33b16 chore: Migrate Windows CI from Appveyor to Azure DevOps
8ed47f3ef fix incorrect documentation
a1e245841 docs: Fix doxygen config and remove some redundant comments.
b0f633185 chore: Fix the Android CI job
7469a529b fix: Add missing `#include <array>`.
2b1a6b0d2 add missing ngc constants getter declarations and definitions
2e02d5637 chore: Add missing module dependencies.
REVERT: 67badf694 feat: add ngc events

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 82460b2124216af1ac9d63060de310a682a2fd15

toxcore/mem.c

@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2013 Tox project.
+ */
+
+#include "mem.h"
+
+#include <stdlib.h>
+
+#include "ccompat.h"
+
+nullable(1)
+static void *sys_malloc(void *obj, uint32_t size)
+{
+    return malloc(size);
+}
+
+nullable(1)
+static void *sys_calloc(void *obj, uint32_t nmemb, uint32_t size)
+{
+    return calloc(nmemb, size);
+}
+
+nullable(1, 2)
+static void *sys_realloc(void *obj, void *ptr, uint32_t size)
+{
+    return realloc(ptr, size);
+}
+
+nullable(1, 2)
+static void sys_free(void *obj, void *ptr)
+{
+    free(ptr);
+}
+
+static const Memory_Funcs system_memory_funcs = {
+    sys_malloc,
+    sys_calloc,
+    sys_realloc,
+    sys_free,
+};
+static const Memory system_memory_obj = {&system_memory_funcs};
+
+const Memory *system_memory(void)
+{
+    return &system_memory_obj;
+}
+
+void *mem_balloc(const Memory *mem, uint32_t size)
+{
+    void *const ptr = mem->funcs->malloc(mem->obj, size);
+    return ptr;
+}
+
+void *mem_alloc(const Memory *mem, uint32_t size)
+{
+    void *const ptr = mem->funcs->calloc(mem->obj, 1, size);
+    return ptr;
+}
+
+void *mem_valloc(const Memory *mem, uint32_t nmemb, uint32_t size)
+{
+    const uint32_t bytes = nmemb * size;
+
+    if (size != 0 && bytes / size != nmemb) {
+        return nullptr;
+    }
+
+    void *const ptr = mem->funcs->calloc(mem->obj, nmemb, size);
+    return ptr;
+}
+
+void *mem_vrealloc(const Memory *mem, void *ptr, uint32_t nmemb, uint32_t size)
+{
+    const uint32_t bytes = nmemb * size;
+
+    if (size != 0 && bytes / size != nmemb) {
+        return nullptr;
+    }
+
+    void *const new_ptr = mem->funcs->realloc(mem->obj, ptr, bytes);
+    return new_ptr;
+}
+
+void mem_delete(const Memory *mem, void *ptr)
+{
+    mem->funcs->free(mem->obj, ptr);
+}