toxcore/mem.c

Rama master · réplica de lectura del repositorio original.

/* SPDX-License-Identifier: GPL-3.0-or-later
 * Copyright © 2016-2026 The TokTok team.
 * Copyright © 2013 Tox project.
 */

#include "mem.h"

#include <string.h>

#include "ccompat.h"

void *mem_balloc(const Memory *mem, uint32_t size)
{
    void *const ptr = mem->funcs->malloc_callback(mem->user_data, size);
    return ptr;
}

void *mem_brealloc(const Memory *mem, void *ptr, uint32_t size)
{
    void *const new_ptr = mem->funcs->realloc_callback(mem->user_data, ptr, size);
    return new_ptr;
}

void *mem_alloc(const Memory *mem, uint32_t size)
{
    void *const ptr = mem_balloc(mem, size);
    if (ptr != nullptr) {
        memset(ptr, 0, 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_alloc(mem, bytes);
    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_brealloc(mem, ptr, bytes);
    return new_ptr;
}

void mem_delete(const Memory *mem, void *ptr)
{
    mem->funcs->dealloc_callback(mem->user_data, ptr);
}