First commit

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 46 insertions, 0 deletions

diff --git a/libj2_not_j2u_to_j2u.c b/libj2_not_j2u_to_j2u.c
new file mode 100644
index 0000000..6a19c17
--- /dev/null
+++ b/libj2_not_j2u_to_j2u.c
@@ -0,0 +1,46 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+extern inline void libj2_not_j2u_to_j2u(const struct libj2_j2u *a, struct libj2_j2u *res);
+/* TODO Add man page */
+
+
+#else
+
+int
+main(void)
+{
+	struct libj2_j2u a, r, a_saved;
+
+	a.high = 0;
+	a.low = 0;
+	a_saved = a;
+	r = (struct libj2_j2u){111, 222};
+	libj2_not_j2u_to_j2u(&a, &r);
+	EXPECT(r.high == UINTMAX_MAX);
+	EXPECT(r.low == UINTMAX_MAX);
+	EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+
+	a.high = UINTMAX_MAX;
+	a.low = UINTMAX_MAX;
+	a_saved = a;
+	r = (struct libj2_j2u){111, 222};
+	libj2_not_j2u_to_j2u(&a, &r);
+	EXPECT(r.high == 0);
+	EXPECT(r.low == 0);
+	EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+
+	a.high = UINTMAX_C(0x45FF23);
+	a.low = UINTMAX_C(0x5245FBA4);
+	a_saved = a;
+	r = (struct libj2_j2u){111, 222};
+	libj2_not_j2u_to_j2u(&a, &r);
+	EXPECT(r.high == ~(uintmax_t)UINTMAX_C(0x45FF23));
+	EXPECT(r.low == ~(uintmax_t)UINTMAX_C(0x5245FBA4));
+	EXPECT(libj2_j2u_eq_j2u(&a, &a_saved));
+
+	return 0;
+}
+
+#endif