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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-10-10 foxglove memory management API
*/
use crate::bindings::*;
use core::ffi::c_void;
pub fn mem_alloc(bytes: usize) -> Option<*mut c_void> {
if bytes == 0 {
return None;
}
let ptr = unsafe { rt_malloc(bytes as rt_size_t) };
if ptr.is_null() {
None
} else {
Some(ptr)
}
}
pub fn mem_calloc(count: usize, size: usize) -> Option<*mut c_void> {
if count == 0 || size == 0 {
return None;
}
let ptr = unsafe { rt_calloc(count as rt_size_t, size as rt_size_t) };
if ptr.is_null() {
None
} else {
Some(ptr)
}
}
pub fn mem_alloc_aligned(bytes: usize, align: usize) -> Option<*mut c_void> {
if bytes == 0 || align == 0 || !align.is_power_of_two() {
return None;
}
let ptr = unsafe { rt_malloc_align(bytes as rt_size_t, align as rt_size_t) };
if ptr.is_null() {
None
} else {
Some(ptr)
}
}
pub fn mem_realloc(ptr: *mut c_void, new_size: usize) -> Option<*mut c_void> {
if new_size == 0 {
if !ptr.is_null() {
mem_free(ptr);
}
return None;
}
let new_ptr = unsafe { rt_realloc(ptr, new_size as rt_size_t) };
if new_ptr.is_null() {
None
} else {
Some(new_ptr)
}
}
pub fn mem_free(ptr: *mut c_void) {
if !ptr.is_null() {
unsafe { rt_free(ptr) };
}
}
pub fn mem_free_aligned(ptr: *mut c_void) {
if !ptr.is_null() {
unsafe { rt_free_align(ptr) };
}
}
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