#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
#include <dlfcn.h>

#define PROLOG(func) \
    static typeof(func) *orig_##func = NULL; \
    if(!orig_##func) \
        orig_##func = dlsym(RTLD_NEXT, #func);

int open64(const char *pathname, int flags, ...) {
    printf("Called open64 on %s (%d)\n", pathname, flags);
    PROLOG(open64);
    int fd = orig_open64(pathname, flags);
    //check_fd(fd, pathname);
    return fd;
}

int openat(int dirfd, const char *pathname, int flags, ...) {
    assert(false && "openat not implemented");
    printf("Called openat on %s (%d) (%d)\n", pathname, dirfd, flags);
    PROLOG(openat);
    return orig_openat(dirfd, pathname, flags);
}