diff options
Diffstat (limited to '05/tcc-0.9.27/tests/tests2/17_enum.c')
-rw-r--r-- | 05/tcc-0.9.27/tests/tests2/17_enum.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/05/tcc-0.9.27/tests/tests2/17_enum.c b/05/tcc-0.9.27/tests/tests2/17_enum.c new file mode 100644 index 0000000..e2bc736 --- /dev/null +++ b/05/tcc-0.9.27/tests/tests2/17_enum.c @@ -0,0 +1,72 @@ +#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 :*/ |