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https://github.com/cc65/cc65.git
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95 lines
1.5 KiB
C
95 lines
1.5 KiB
C
/*
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!!DESCRIPTION!! bitfield test
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!!ORIGIN!! LCC 4.1 Testsuite
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!!LICENCE!! own, freely distributeable for non-profit. read CPYRIGHT.LCC
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*/
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#include "common.h"
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#ifdef NO_BITFIELDS
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main()
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{
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printf("NO_BITFIELDS\n\r");
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}
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#else
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#ifdef SIZEOF_INT_16BIT
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#ifdef REFCC
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#include <stdint.h>
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struct foo {
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int16_t a;
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char b;
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int16_t x : 12, y : 4;
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int16_t zz : 1, : 0, : 4, z : 3;
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char c;
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} x = { 1, 2, 3, 4, 5, 6 };
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struct baz { uint16_t a:2, b:4, c:16;} y = { 7, 8, 9};
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int16_t i = 8;
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#else
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struct foo {
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int a;
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char b;
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int x : 12, y : 4;
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int zz : 1, : 0, : 4, z : 3;
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char c;
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} x = { 1, 2, 3, 4, 5, 6 };
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struct baz { unsigned int a:2, b:4, c:16;} y = { 7, 8, 9};
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int i = 8;
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#endif
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#else
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struct foo {
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int a;
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char b;
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int x : 12, y : 4, : 0, : 4, z : 3;
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char c;
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} x = { 1, 2, 3, 4, 5, 6 };
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struct baz { unsigned int a:2, b:4, c:32;} y = { 7, 8, 9};
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int i = 16;
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#endif
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#ifdef NO_IMPLICIT_FUNC_PROTOTYPES
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f1(struct baz *p);
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f2(struct baz *p);
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#endif
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main()
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{
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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);
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printf("y = %d b:%d c:%d\n", y.a, y.b, y.c);
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x.y = i;
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x.z = 070;
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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);
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y.a = 2;
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y.c = i;
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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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}
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f1(struct baz *p) {
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p->a = p->b = 0;
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if (p->b)
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printf("p->b != 0!\n");
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p->a = 0x3; p->b = 0xf;
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printf("p->a = 0x%x, p->b = 0x%x\n", p->a, p->b);
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}
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f2(struct baz *p) {
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p->a = (i==0);
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p->b = (f1(p),0);
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}
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#endif
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