Poke_Transporter_GB/source/libstd_replacements.cpp
2026-05-18 13:57:44 +02:00

97 lines
2.6 KiB
C++

#define NANOPRINTF_IMPLEMENTATION 1
// Remove what we don't need
#define NANOPRINTF_USE_FIELD_WIDTH_FORMAT_SPECIFIERS 0
#define NANOPRINTF_USE_PRECISION_FORMAT_SPECIFIERS 0
#define NANOPRINTF_USE_LARGE_FORMAT_SPECIFIERS 0
#define NANOPRINTF_USE_FLOAT_FORMAT_SPECIFIERS 0
#define NANOPRINTF_USE_BINARY_FORMAT_SPECIFIERS 0
#define NANOPRINTF_USE_WRITEBACK_FORMAT_SPECIFIERS 0
#include "libstd_replacements.h"
#include "libraries/nanoprintf/nanoprintf.h"
#include <cstdlib>
#include <stdarg.h>
#include <ctype.h>
#include "custom_malloc.h"
// recommended for a 32 bit system to have at least 33 bytes available
// source: https://cplusplus.com/reference/cstdlib/itoa/
// unfortunately itoa is not standardized, so we'll have to make do with snprintf
static char conversion_buffer[33];
const char* ptgb::to_string(int intVal)
{
npf_snprintf(conversion_buffer, sizeof(conversion_buffer), "%d", intVal);
return conversion_buffer;
}
const char* ptgb::to_string(unsigned int wordVal)
{
npf_snprintf(conversion_buffer, sizeof(conversion_buffer), "%u", wordVal);
return conversion_buffer;
}
// when compiling with -nostdlib++, we need to provide our own operator new and delete implementations
// Regular operator new
void* operator new(std::size_t size) {
void* ptr = malloc(size);
if (!ptr) {
// mimic standard behavior: throw std::bad_alloc
// but we can't use std::bad_alloc without libstdc++
// so instead we can abort or return nullptr
// You can also implement a custom exception if needed
return NULL;
}
return ptr;
}
// nothrow version
void* operator new(std::size_t size, const std::nothrow_t&) noexcept {
return malloc(size);
}
// regular array operator new
void* operator new[](std::size_t size) {
void* ptr = malloc(size);
if (!ptr) {
return NULL;
}
return ptr;
}
// nothrow array operator new
void* operator new[](std::size_t size, const std::nothrow_t&) noexcept {
return malloc(size);
}
// operator delete
void operator delete(void* ptr) noexcept {
free(ptr);
}
// array operator delete
void operator delete[](void* ptr) noexcept {
free(ptr);
}
// nothrow delete
void operator delete(void* ptr, const std::nothrow_t&) noexcept {
free(ptr);
}
// nothrow array delete
void operator delete[](void* ptr, const std::nothrow_t&) noexcept {
free(ptr);
}
// sized delete
void operator delete(void* ptr, std::size_t size) noexcept {
(void)size;
free(ptr);
}
// sized array delete
void operator delete[](void* ptr, std::size_t size) noexcept {
(void)size;
free(ptr);
}