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/*
* Testing for compile error in the cast helpers
* written by Jan Engelhardt
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the WTF Public License version 2 or
* (at your option) any later version.
*/
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <libHX/defs.h>
#include <libHX/init.h>
#include "internal.h"
#define UNUSED __attribute__((unused))
static void c_signed(void)
{
const char *si_00 = "foo";
char *si_01 = const_cast1(char *, si_00);
signed char *si_02 UNUSED = signed_cast(signed char *, si_01);
unsigned char *si_03 UNUSED = signed_cast(unsigned char *, si_01);
const signed char *si_04 UNUSED = signed_cast(const signed char *, si_00);
const unsigned char *si_05 UNUSED = signed_cast(const unsigned char *, si_00);
si_00 = signed_cast(const char *, si_05);
}
static void c_reinterpret(void)
{
const char *si_00 = "foo";
void *sr_00 = reinterpret_cast(void *, static_cast(uintptr_t, 8));
int sr_01 = reinterpret_cast(uintptr_t, sr_00);
void *sr_02 = reinterpret_cast(void *, static_cast(uintptr_t, static_cast(unsigned int, reinterpret_cast(uintptr_t, &si_00))));
printf("sr: %p %u; %p[%p]\n", sr_00, sr_01, sr_02, &si_00);
}
static void c_static(void)
{
double st_00 = sqrt(static_cast(int,
10 * sqrt(static_cast(double, 3) / 4)));
printf("st: %f\n", st_00);
}
static void c_const1(void)
{
const int *co_00 = NULL;
int *co_01 = const_cast1(int *, co_00);
co_00 = co_01;
}
static void c_const2(void)
{
const int **co_02 = NULL;
int **co_03 UNUSED = const_cast2(int **, co_02);
int *const *co_04 = const_cast2(int *const *, co_02);
const int *const *co_05 = const_cast2(const int *const *, co_02);
co_02 = const_cast2(const int **, co_05);
co_04 = const_cast2(int *const *, co_05);
}
static void c_const3(void)
{
const int *const *const *co_06 = NULL;
int ***co_07 UNUSED = const_cast3(int ***,
(printf("If this line is only printed once when the program "
"is run, __builtin_choose_expr works as desired.\n"), co_06));
}
static void c_constA(void)
{
static const char r1[] = "static";
char *w1 UNUSED = const_cast1(char *, r1);
static const char *const r2[] = {"static"};
char **w2 UNUSED = const_cast2(char **, r2);
static const char *const *const r3[] = {NULL};
char ***w3 UNUSED = const_cast3(char ***, r3);
}
int main(void)
{
if (HX_init() <= 0)
abort();
c_signed();
c_reinterpret();
c_static();
c_const1();
c_const2();
c_const3();
c_constA();
HX_exit();
return 0;
}
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