# pragma once
# include <openssl/macros.h>
-# if !OPENSSL_API_3
+# ifndef OPENSSL_NO_DEPRECATED_3_0
# define HEADER_BUFFER_H
# endif
# include <stddef.h>
# include <sys/types.h>
-/*
- * These names are outdated as of OpenSSL 1.1; a future release
- * will move them to be deprecated.
- */
-# define BUF_strdup(s) OPENSSL_strdup(s)
-# define BUF_strndup(s, size) OPENSSL_strndup(s, size)
-# define BUF_memdup(data, size) OPENSSL_memdup(data, size)
-# define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
-# define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
-# define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+# define BUF_strdup(s) OPENSSL_strdup(s)
+# define BUF_strndup(s, size) OPENSSL_strndup(s, size)
+# define BUF_memdup(data, size) OPENSSL_memdup(data, size)
+# define BUF_strlcpy(dst, src, size) OPENSSL_strlcpy(dst, src, size)
+# define BUF_strlcat(dst, src, size) OPENSSL_strlcat(dst, src, size)
+# define BUF_strnlen(str, maxlen) OPENSSL_strnlen(str, maxlen)
+# endif
struct buf_mem_st {
size_t length; /* current number of bytes */