1 /* $OpenBSD: ssl_namespace.h,v 1.2 2023/02/16 08:38:17 tb Exp $ */ 2 /* 3 * Copyright (c) 2016 Philip Guenther <guenther@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef _LIBSSL_SSL_NAMESPACE_H_ 19 #define _LIBSSL_SSL_NAMESPACE_H_ 20 21 /* 22 * If marked as 'used', then internal calls use the name with prefix "_lssl_" 23 * and we alias that to the normal name. 24 */ 25 26 #ifdef LIBRESSL_NAMESPACE 27 #define LSSL_UNUSED(x) typeof(x) x __attribute__((deprecated)) 28 #define LSSL_USED(x) __attribute__((visibility("hidden"))) \ 29 typeof(x) x asm("_lssl_"#x) 30 #define LSSL_ALIAS(x) asm(".global "#x"; "#x" = _lssl_"#x) 31 #else 32 #define LSSL_UNUSED(x) 33 #define LSSL_USED(x) 34 #define LSSL_ALIAS(x) asm("") 35 #endif 36 37 #endif /* _LIBSSL_SSL_NAMESPACE_H_ */ 38