#define _GNU_SOURCE

#include <stdio.h>
#include <dlfcn.h>
#include <stdio.h>
#include <unistd.h>

extern char* __progname_full;

ssize_t read(int fd, void *buf, size_t count) {
    ssize_t (*original_read)(int fd, void* buf, size_t count);

    original_read = dlsym(RTLD_NEXT, "read");
    
    fprintf(stderr, "libread-wrapper.so: current_fn: %p, dlsym fn: %p, pid: %d, exe: %s.\n", read, original_read, getpid(), __progname_full);
    return (original_read)(fd, buf, count);
}