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/* 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 "attributes.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 os_memory_funcs = {
sys_malloc,
sys_calloc,
sys_realloc,
sys_free,
};
static const Memory os_memory_obj = {&os_memory_funcs};
const Memory *os_memory(void)
{
return &os_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);
}
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