Add legacy include guards to public header files

[openssl.git] / include / openssl / asn1.h

diff --git a/include/openssl/asn1.h b/include/openssl/asn1.h
index 6389722e15b0f41966dfef0af8af178275a5e0ba..32d39c14a68ef6d69ce873c8677661b86bb54c4e 100644 (file)
--- a/include/openssl/asn1.h
+++ b/include/openssl/asn1.h
@@ -9,6 +9,12 @@
 
 #ifndef OPENSSL_ASN1_H
 # define OPENSSL_ASN1_H
+# pragma once
+
+# include <openssl/macros.h>
+# if !OPENSSL_API_3
+#  define HEADER_ASN1_H
+# endif
 
 # include <time.h>
 # include <openssl/e_os2.h>