1 files changed, 28 insertions, 0 deletions
diff --git a/libmysqlclient/mysql/assert.c b/libmysqlclient/mysql/assert.c
new file mode 100644
index 0000000..9324d67
--- /dev/null
+++ b/libmysqlclient/mysql/assert.c
@@ -0,0 +1,28 @@
+/* file      : mysql/assert.c -*- C -*-
+ * copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+ * license   : GPLv2 with Universal FOSS Exception; see accompanying LICENSE file
+ */
+
+#include <mysql/my_config.h>
+
+#ifdef _MSC_VER
+#  include <windows.h> // C_ASSERT()
+#endif
+
+#include <time.h>
+#include <sys/types.h>
+
+/*
+ * Make sure that some assumptions made at the preprocessing stage are true.
+ */
+
+/*
+ * _Static_assert() is introduced in C11, is supported by GCC and Clang for C99
+ * as well, and is not supported by VC at all.
+ */
+#ifdef _MSC_VER
+#  define _Static_assert(C, M) C_ASSERT (C)
+#endif
+
+_Static_assert (sizeof (off_t)  == SIZEOF_OFF_T,  "unexpected off_t size");
+_Static_assert (sizeof (time_t) == SIZEOF_TIME_T, "unexpected time_t size");