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test related to issue #1094

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This commit is contained in:
mrdudz 2020-09-25 20:08:32 +02:00
parent 7ff08c85cf
commit 34177d9edd
2 changed files with 105 additions and 0 deletions
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6
test/misc/Makefile
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@ -100,6 +100,12 @@ $(WORKDIR)/bug1263.$1.$2.prg: bug1263.c | $(WORKDIR)
$(if $(QUIET),echo misc/bug1263.$1.$2.prg)
$(NOT) $(CC65) -t sim$2 -$1 -o $$@ $$< $(NULLERR)
# should compile, but gives an error
$(WORKDIR)/bug1094.$1.$2.prg: bug1094.c | $(WORKDIR)
@echo "FIXME: " $$@ "currently does not compile."
$(if $(QUIET),echo misc/bug1094.$1.$2.prg)
$(NOT) $(CC65) -t sim$2 -$1 -o $$@ $$< $(NULLERR)
# this one requires --std=c89, it fails with --std=c99
# it fails currently at runtime
$(WORKDIR)/bug1265.$1.$2.prg: bug1265.c | $(WORKDIR)

99
test/misc/bug1094.c Normal file
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@ -0,0 +1,99 @@
/* bug #1094 - Nested struct/union initializers don't compile */
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
typedef uint16_t u16;
typedef uint8_t u8;
struct WW {
int a : 4;
struct {
unsigned int b : 4;
unsigned int c : 8;
} x[2];
} wwqq = { 0, {2, 5, {3, 4}}, };
typedef struct {
u16 quot;
u16 rem;
} udiv_t;
typedef struct {
u16 quot;
u16 rem;
char m[8];
} big_t;
union U {
struct {
signed int a : 3;
signed int b : 3;
signed int c : 3;
};
int u;
};
union U g = { 5, 3, 1 };
struct S {
struct {
unsigned int a : 3;
unsigned int b : 3;
unsigned int c : 3;
};
};
struct S h = { 5, 3, 1 };
union X {
struct {
uint16_t a : 3;
union {
struct {
uint16_t b : 3;
uint16_t c : 3;
};
uint16_t d;
};
};
uint16_t e;
} x = { 4, {5, 6} };
udiv_t div3(udiv_t u)
{
udiv_t v = {};
u.quot = 341 + u.quot;
u.rem = 1 + u.rem;
v = u;
return v;
}
int main(void)
{
udiv_t v = { 141, 32 };
big_t b = { 141, 32 };
v = div3(*(udiv_t*)&b);
printf("%d %d %d\n", (int)wwqq.a, wwqq.x[0].b, wwqq.x[0].c);
printf("%d %d %d\n", (int)wwqq.a, wwqq.x[1].b, wwqq.x[1].c);
printf("quot = %u, rem = %u\n", div3(v).quot, div3(v).rem);
printf("quot = %u, rem = %u\n", v.quot, v.rem);
printf("quot = %u, rem = %u\n", b.quot, b.rem);
printf("g.a = %u, g.b = %u, g.c = %d\n", g.a, g.b, g.c);
x.e = 1467;
printf("x.a = %d, x.b = %d, x.c = %d\n", x.a, x.b, x.c);
printf("(long)x.b = %ld, sizeof(x) = %u, sizeof((long)x.a) = %u\n", (long)x.b, sizeof(x), sizeof((long)x.a));
printf("-x.d = %d, (long)(-x.c + 1) = %ld\n", -x.d, (long)(-x.c + 1));
printf("h.a = %u, h.b = %u, h.c = %u\n", h.a, h.b, h.c);
return 0;
}