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/*
!!DESCRIPTION!! Make sure that structs/unions know the sizes of anonymous struct/union members
!!ORIGIN!! cc65 regression tests
!!LICENCE!! Public Domain
!!AUTHOR!! Greg King
*/
/*
see https://github.com/cc65/cc65/issues/641
*/
#include <stdio.h>
static unsigned char fails = 0;
typedef struct {
short s1;
struct {
int i1;
long l1;
char c1;
};
char c2;
} s1_t;
typedef struct {
short s1;
union {
int i1;
long l1;
char c1;
};
char c2;
} s2_t;
typedef union {
short s1;
struct {
int i1;
long l1;
char c1;
};
char c2;
} u1_t;
typedef union {
short s1;
union {
int i1;
long l1;
char c1;
};
char c2;
} u2_t;
static s1_t s1;
static s2_t s2;
static u1_t u1;
static u2_t u2;
/* We use "variables" in the comparisons, so that we can avoid "constant
** comparison" and "Unreachable code" warnings (the second one currently
** can't be suppressed).
*/
static size_t const four = 4;
static size_t const seven = 7;
static size_t const ten = 10;
int main(void)
{
/* Check the types' sizes. */
if (sizeof (s1_t) != ten) {
printf("s1_t size is %u; it should be 10.\n", sizeof (s1_t));
++fails;
}
if (sizeof (s2_t) != seven) {
printf("s2_t size is %u; it should be 7.\n", sizeof (s2_t));
++fails;
}
if (sizeof (u1_t) != seven) {
printf("u1_t size is %u; it should be 7.\n", sizeof (u1_t));
++fails;
}
if (sizeof (u2_t) != four) {
printf("u2_t size is %u; it should be 4.\n", sizeof (u2_t));
++fails;
}
/* Check the variables' sizes. */
if (sizeof s1 != ten) {
printf("s1 size is %u; it should be 10.\n", sizeof s1);
++fails;
}
if (sizeof s2 != seven) {
printf("s2 size is %u; it should be 7.\n", sizeof s2);
++fails;
}
if (sizeof u1 != seven) {
printf("u1 size is %u; it should be 7.\n", sizeof u1);
++fails;
}
if (sizeof u2 != four) {
printf("u2 size is %u; it should be 4.\n", sizeof u2);
++fails;
}
return fails;
}
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