mirror of
https://github.com/frida/tinycc
synced 2024-12-25 06:26:49 +03:00
73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
#include <stdio.h>
|
|
|
|
enum fred
|
|
{
|
|
a,
|
|
b,
|
|
c,
|
|
d,
|
|
e = 54,
|
|
f = 73,
|
|
g,
|
|
h
|
|
};
|
|
|
|
/* All following uses of enum efoo should compile
|
|
without warning. While forward enums aren't ISO C,
|
|
it's accepted by GCC also in strict mode, and only warned
|
|
about with -pedantic. This happens in the real world. */
|
|
/* Strict ISO C doesn't allow this kind of forward declaration of
|
|
enums, but GCC accepts it (and gives only pedantic warning), and
|
|
it occurs in the wild. */
|
|
enum efoo;
|
|
struct Sforward_use {
|
|
int (*fmember) (enum efoo x);
|
|
};
|
|
|
|
extern enum efoo it_real_fn(void);
|
|
enum efoo {
|
|
ONE,
|
|
TWO,
|
|
};
|
|
struct S2 {
|
|
enum efoo (*f2) (void);
|
|
};
|
|
void should_compile(struct S2 *s)
|
|
{
|
|
s->f2 = it_real_fn;
|
|
}
|
|
|
|
enum efoo it_real_fn(void)
|
|
{
|
|
return TWO;
|
|
}
|
|
|
|
static unsigned int deref_uintptr(unsigned int *p)
|
|
{
|
|
return *p;
|
|
}
|
|
|
|
enum Epositive {
|
|
epos_one, epos_two
|
|
};
|
|
|
|
int main()
|
|
{
|
|
enum fred frod;
|
|
enum Epositive epos = epos_two;
|
|
|
|
printf("%d %d %d %d %d %d %d %d\n", a, b, c, d, e, f, g, h);
|
|
/* printf("%d\n", frod); */
|
|
frod = 12;
|
|
printf("%d\n", frod);
|
|
frod = e;
|
|
printf("%d\n", frod);
|
|
|
|
/* Following should compile without warning. */
|
|
printf ("enum to int: %u\n", deref_uintptr(&epos));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/
|