Force explicit struct packing

Signed-off-by: Keith Koskie <[email protected]>

Author: vkkoskie

cryptoki-sys/oasis-headers/pkcs11.h

@@ -187,6 +187,9 @@ extern "C" {
 #define CK_DECLARE_FUNCTION_POINTER(returnType, name) returnType (* name)
 #define CK_CALLBACK_FUNCTION(returnType, name) returnType (* name)
 
+// Save current pack setting and set packing to 1-byte alignment
+#pragma pack(push, 1)
+
 /* All the various Cryptoki types and #define'd values are in the
  * file pkcs11t.h.
  */
@@ -261,4 +264,7 @@ struct CK_FUNCTION_LIST {
 }
 #endif
 
+// Restore prior pack setting
+#pragma pack(pop)
+
 #endif /* _PKCS11_H_ */