Add legacy include guards to public header files

[oweals/openssl.git] / include / openssl / sha.h

diff --git a/include/openssl/sha.h b/include/openssl/sha.h
index 94487133344a0f218a896260459486c0c72d9577..5d21bdf0d85d7986d537345d19a97bce6c0b0e7d 100644 (file)
--- a/include/openssl/sha.h
+++ b/include/openssl/sha.h
@@ -9,6 +9,12 @@
 
 #ifndef OPENSSL_SHA_H
 # define OPENSSL_SHA_H
+# pragma once
+
+# include <openssl/macros.h>
+# if !OPENSSL_API_3
+#  define HEADER_SHA_H
+# endif
 
 # include <openssl/e_os2.h>
 # include <stddef.h>