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u_new.cpp
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u_new.cpp
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#include <stdlib.h>
#include <assert.h>
#include "u_new.h"
voidptr neoMalloc(size_t size) {
void *ptr = malloc(size);
if (!ptr) abort();
return ptr;
}
voidptr neoRealloc(voidptr ptr, size_t size) {
if (!size) abort();
void *resize = realloc(ptr, size);
if (!resize) abort();
return resize;
}
voidptr neoAlignedMalloc(size_t size, size_t alignment) {
size_t offset = alignment - 1 + sizeof(void*);
voidptr data = neoMalloc(size + offset);
void **store = (void**)(((size_t)((void *)data) + offset) & ~(alignment - 1));
store[-1] = data;
return store;
}
extern "C" void __cxa_pure_virtual() {
assert(0 && "pure virtual function call");
abort();
}
void neoAlignedFree(voidptr ptr) {
neoFree(((void**)ptr)[-1]);
}
void neoFree(voidptr what) {
free(what);
}
void *operator new(size_t size) noexcept {
return neoMalloc(size);
}
void *operator new[](size_t size) noexcept {
return neoMalloc(size);
}
void operator delete(void *ptr) noexcept {
neoFree(ptr);
}
void operator delete[](void *ptr) noexcept {
neoFree(ptr);
}