Global new/delete operators using FreeRTOS memory routines. More...

#include "pico/stdlib.h"
#include <cstring>
#include "FreeRTOS.h"
#include <stdio.h>

Include dependency graph for cppMemory.cpp:

Functions
void *	operator new (size_t size)

void *	operator new[] (size_t size)

void	operator delete (void *ptr)

void	operator delete[] (void *ptr)

void *	operator new (size_t, void *ptr) noexcept

void *	operator new[] (size_t, void *ptr) noexcept

Detailed Description

Author: Ian Archbell

Provides replacements for C++ global new, new[], delete, and delete[] operators to use FreeRTOS pvPortMalloc and vPortFree in embedded builds. Also includes placement new for STL compatibility.

Version: 0.1

Date: 2025-03-31

License:\n MIT License

Copyright: Copyright (c) 2025, Ian Archbell

Definition in file cppMemory.cpp.

Function Documentation

◆ operator delete()

void operator delete ( void * ptr )

Definition at line 37 of file cppMemory.cpp.

                                 {
     if (ptr) {
         vPortFree(ptr);
     }
 }

◆ operator delete[]()

void operator delete[] ( void * ptr )

Definition at line 43 of file cppMemory.cpp.

                                   {
     if (ptr) {
         vPortFree(ptr);
     }
 }

◆ operator new() [1/2]

void * operator new ( size_t size )

Definition at line 23 of file cppMemory.cpp.

                                 {
     void* pData = pvPortMalloc(size);
     if (!pData) {
         printf("ERROR: Memory allocation failed for size %zu!\n", size);
         while(1);  // Trap in infinite loop to catch memory failures
     }
     memset(pData, 0, size);
     return pData;
 }

◆ operator new() [2/2]

void * operator new	(	size_t	,
		void *	ptr
	)

noexcept

Definition at line 50 of file cppMemory.cpp.

                                                {
     return ptr;
 }

◆ operator new[]() [1/2]

void * operator new[] ( size_t size )

Definition at line 33 of file cppMemory.cpp.

                                   {
     return pvPortMalloc(size);
 }

◆ operator new[]() [2/2]

void * operator new[]	(	size_t	,
		void *	ptr
	)