Initial import of libdpf.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/hedley/test/static-assert.c

@@ -0,0 +1,15 @@
+#include "../hedley.h"
+
+#if HEDLEY_IAR_VERSION_CHECK(8,0,0)
+#  pragma diag_suppress=Pe381
+#elif defined(HEDLEY_SUNPRO_VERSION) && !defined(__cplusplus)
+#  pragma error_messages(off,E_EMPTY_DECLARATION)
+#elif defined(HEDLEY_TI_VERSION)
+#  pragma diag_suppress 383
+#endif
+
+HEDLEY_STATIC_ASSERT(sizeof(char) == 1, "char must be one byte");
+
+int main(void) {
+  return 0;
+}