#define _GNU_SOURCE

#include <stdio.h>

#include <dlfcn.h>

#include "dynso.h"

static void assert_ok_base(const char* file, int line, enum dynso_err e) {
	if (e != dynso_ok) {
		printf("rip! at %s:%d: %d\n", file, line, e);
	}
}
#define assert_ok(x) assert_ok_base(__FILE__, __LINE__, (x))

static void a_function(void) {
	printf("hello world!\n");
}

int main(int argc, char* argv[]) {
	void* x;

	printf("pre:\n");
	x = dlsym(RTLD_DEFAULT, "testsym");
	printf("  dlsym(\"testsym\") = %p\n", x);
	x = dlsym(RTLD_DEFAULT, "testfunction");
	printf("  dlsym(\"testfunction\") = %p\n", x);

	struct dynso_lib* l;
	assert_ok(dynso_create(&l, 0,
			(char*)"this is just a display name", "libtest",
			NULL, LM_ID_BASE));

	assert_ok(dynso_add_sym(l, "testsym", (void*)0x694201337));
	assert_ok(dynso_add_sym(l, "testfunction", a_function));

	assert_ok(dynso_bind(l));

	printf("post:\n");
	x = dlsym(RTLD_DEFAULT, "testsym");
	printf("  dlsym(\"testsym\") = %p\n", x);
	x = dlsym(RTLD_DEFAULT, "testfunction");
	printf("  dlsym(\"testfunction\") = %p\n", x);

	void (*somefunc)(void) = x;
	printf("calling the resolved function:\n");
	somefunc();

	dynso_remove(l);

	return 0;
}