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cc65/test/val/fields.c

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/*
!!DESCRIPTION!! bitfield test
!!ORIGIN!! LCC 4.1 Testsuite
!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
*/
#include "common.h"
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#ifdef NO_BITFIELDS
main()
{
printf("NO_BITFIELDS\n\r");
}
#else
#ifdef SIZEOF_INT_16BIT
#ifdef REFCC
#include <stdint.h>
struct foo {
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int16_t a;
char b;
int16_t x : 12, y : 4;
int16_t zz : 1, : 0, : 4, z : 3;
char c;
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} x = { 1, 2, 3, 4, 5, 6 };
struct baz { uint16_t a:2, b:4, c:16;} y = { 7, 8, 9};
int16_t i = 8;
#else
struct foo {
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int a;
char b;
int x : 12, y : 4;
int zz : 1, : 0, : 4, z : 3;
char c;
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} x = { 1, 2, 3, 4, 5, 6 };
struct baz { unsigned int a:2, b:4, c:16;} y = { 7, 8, 9};
int i = 8;
#endif
#else
struct foo {
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int a;
char b;
int x : 12, y : 4, : 0, : 4, z : 3;
char c;
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} x = { 1, 2, 3, 4, 5, 6 };
struct baz { unsigned int a:2, b:4, c:32;} y = { 7, 8, 9};
int i = 16;
#endif
#ifdef NO_IMPLICIT_FUNC_PROTOTYPES
f1(struct baz *p);
f2(struct baz *p);
#endif
main()
{
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printf("x = %d b:%d %d %d %d c:%d\n", x.a, x.b, x.x, x.y, x.z, x.c);
printf("y = %d b:%d c:%d\n", y.a, y.b, y.c);
x.y = i;
x.z = 070;
printf("x = %d b:%d %d %d %d c:%d\n", x.a, x.b, x.x, x.y, x.z, x.c);
y.a = 2;
y.c = i;
printf("y = %d b:%d c:%d\n", y.a, y.b, y.c);
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#ifdef CAST_STRUCT_PTR
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f2((struct baz *)&x);
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#else
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f2(&x);
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#endif
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return 0;
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}
f1(struct baz *p) {
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p->a = p->b = 0;
if (p->b)
printf("p->b != 0!\n");
p->a = 0x3; p->b = 0xf;
printf("p->a = 0x%x, p->b = 0x%x\n", p->a, p->b);
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}
f2(struct baz *p) {
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p->a = (i==0);
p->b = (f1(p),0);
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}
#endif