pkuuid: add == and !=

3 files changed, 42 insertions, 0 deletions

diff --git a/pkuuid.h b/pkuuid.h
index 7426f79..30d4a24 100644
--- a/pkuuid.h
+++ b/pkuuid.h
@@ -18,12 +18,15 @@ void pk_uuid_init(time_t srand_seed);
 void pk_uuid_teardown();
 
 struct pk_uuid pk_uuid_new_v7();
+bool pk_uuid_equals(struct pk_uuid lhs, struct pk_uuid rhs);
 
 #if defined(__cplusplus)
 #include <ostream>
 #include <iomanip>
 std::ostream& operator<<(std::ostream &o, const struct pk_uuid& uuid);
 std::istream& operator>>(std::istream &i, struct pk_uuid& uuid);
+bool operator==(const pk_uuid &lhs, const pk_uuid &rhs) { return pk_uuid_equals(lhs, rhs); }
+bool operator!=(const pk_uuid &lhs, const pk_uuid &rhs) { return !pk_uuid_equals(lhs, rhs); }
 #endif
 
 #endif /* PK_UUID_H */
@@ -135,6 +138,15 @@ pk_uuid_new_v7()
 	return ret;
 }
 
+bool pk_uuid_equals(struct pk_uuid lhs, struct pk_uuid rhs)
+{
+	int i;
+	for (i = 0; i < 16; ++i) {
+		if (lhs.uuid[i] != rhs.uuid[i]) return false;
+	}
+	return true;
+}
+
 #if defined(__cplusplus)
 #include "./pkstn.h" /* deleteme */
 std::ostream&
diff --git a/test/pkuuid.c b/test/pkuuid.c
index ee550cf..42cf3e4 100644
--- a/test/pkuuid.c
+++ b/test/pkuuid.c
@@ -77,6 +77,21 @@ main(int argc, char *argv[])
 	}
 
 	{
+		struct pk_uuid id1, id2;
+		bool equals;
+		id1 = pk_uuid_zed;
+		id2 = pk_uuid_zed;
+		equals = pk_uuid_equals(id1, id2);
+		fprintf(stdout, "[%s] equals (zed, zed): %b\n", __FILE__, equals);
+		if (equals != true) exit(1);
+		id1 = pk_uuid_new_v7();
+		id2 = pk_uuid_new_v7();
+		equals = pk_uuid_equals(id1, id2);
+		fprintf(stdout, "[%s] equals (rand, rand): %b\n", __FILE__, equals);
+		if (equals != false) exit(1);
+	}
+
+	{
 		const int count = 4;
 		struct pk_uuid ids[count];
 
diff --git a/test/pkuuid.cpp b/test/pkuuid.cpp
index 278cd02..da59264 100644
--- a/test/pkuuid.cpp
+++ b/test/pkuuid.cpp
@@ -80,6 +80,21 @@ main(int argc, char *argv[])
 	}
 
 	{
+		struct pk_uuid id1, id2;
+		bool equals;
+		id1 = pk_uuid_zed;
+		id2 = pk_uuid_zed;
+		equals = id1 == id2;
+		fprintf(stdout, "[%s] equals (zed, zed): %b\n", __FILE__, equals);
+		if (equals != true) exit(1);
+		id1 = pk_uuid_new_v7();
+		id2 = pk_uuid_new_v7();
+		equals = id1 == id2;
+		fprintf(stdout, "[%s] equals (rand, rand): %b\n", __FILE__, equals);
+		if (equals != false) exit(1);
+	}
+
+	{
 		const int count = 4;
 		struct pk_uuid ids[count];