AnotherMemCheck/src/another_memcheck_external.cc
Stephen Seo 0e447dc3be Refactorings
Internally use doubly-linked list instead of singly-linked list. Also
minor fixes related to changing use to doubly-linked list.

Removed unnecessary comments.

Move list add/remove code to designated functions.
2024-06-04 15:08:33 +09:00

40 lines
1,004 B
C++

// Standard library includes.
#include <iostream>
// Unix includes.
#include <dlfcn.h>
// Local includes.
#include "another_memcheck.h"
extern "C" {
void *malloc(std::size_t size) {
std::clog << "attempting to malloc size: " << size << "...\n";
if (SC_AM_Internal::real_malloc == nullptr) {
SC_AM_Internal::real_malloc = reinterpret_cast<void*(*)(std::size_t)>(dlsym(RTLD_NEXT, "malloc"));
}
if (SC_AM_Internal::stats == nullptr) {
SC_AM_Internal::stats = SC_AM_Internal::get_init_stats();
}
return SC_AM_Internal::stats->do_malloc(size);
}
void free(void *ptr) {
std::clog << "attempting to free...\n";
if (SC_AM_Internal::real_free == nullptr) {
SC_AM_Internal::real_free = reinterpret_cast<void(*)(void*)>(dlsym(RTLD_NEXT, "free"));
}
if (SC_AM_Internal::stats == nullptr) {
SC_AM_Internal::stats = SC_AM_Internal::get_init_stats();
}
return SC_AM_Internal::stats->do_free(ptr);
}
}
// vim: et sw=2 ts=2 sts=2