summaryrefslogtreecommitdiff
path: root/05/tcc-0.9.27/tests/tests2/17_enum.c
diff options
context:
space:
mode:
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.c72
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 :*/