1 files changed, 31 insertions, 0 deletions
diff --git a/libcurl/libcurl/assert.c b/libcurl/libcurl/assert.c
new file mode 100644
index 0000000..60eb1e5
--- /dev/null
+++ b/libcurl/libcurl/assert.c
@@ -0,0 +1,31 @@
+/* file      : libcurl/assert.c -*- C -*-
+ * copyright : Copyright (c) 2016-2019 Code Synthesis Ltd
+ * license   : cURL License; see accompanying COPYING file
+ */
+
+#include <curl_config.h>
+
+#ifdef _MSC_VER
+#  include <windows.h> // C_ASSERT()
+#endif
+
+#include <time.h>
+#include <sys/types.h>
+
+#include <curl/curl.h>
+
+/*  Make sure that some assumptions made at the preprocessing stage are true.
+ */
+
+/* _Static_assert() is introduced in C11, is available for GCC and Clang by
+ * default since they support C99, 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");
+
+_Static_assert (sizeof (curl_off_t) == SIZEOF_CURL_OFF_T,
+                "unexpected curl_off_t size");