A single-header library that provides monkey patching in C and C++.
THIS HEADER SHOULD ONLY BE USED FOR TESTING PURPOSES.
#include "monkey.h"
#include <stdio.h>
__attribute__((noinline)) int plus1(int i) {
return i + 1;
}
__attribute__((noinline)) int plus2(int i) {
return i + 2;
}
int main(void) {
printf("%d\n", plus1(3)); // 4
monkeyc_patched p = monkeyc_patch(plus1, plus2);
printf("%d\n", plus1(3)); // 5
monkeyc_unpatch(&p);
printf("%d\n", plus1(3)); // 4
return 0;
}#include "monkey.h"
#include <iostream>
__attribute__((noinline)) int plus1(int i) {
return i + 1;
}
int main(void) {
std::cout << plus1(1) << std::endl;
{
auto g = monkeyc::patch(plus1, [](int i) { return i + 2; });
std::cout << plus1(1) << std::endl;
}
std::cout << plus1(1) << std::endl;
return 0;
}