visibility.h

00001 /* visibility.h
00002  *
00003  * Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * CyaSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 /* Visibility control macros */
00023 
00024 
00025 #ifndef CTAO_CRYPT_VISIBILITY_H
00026 #define CTAO_CRYPT_VISIBILITY_H
00027 
00028 
00029 /* CYASSL_API is used for the public API symbols.
00030         It either imports or exports (or does nothing for static builds)
00031 
00032    CYASSL_LOCAL is used for non-API symbols (private).
00033 */
00034 
00035 #if defined(BUILDING_CYASSL)
00036     #if defined(HAVE_VISIBILITY) && HAVE_VISIBILITY
00037         #define CYASSL_API   __attribute__ ((visibility("default")))
00038         #define CYASSL_LOCAL __attribute__ ((visibility("hidden")))
00039     #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
00040         #define CYASSL_API   __global  
00041         #define CYASSL_LOCAL __hidden
00042     #elif defined(_MSC_VER)
00043         #ifdef CYASSL_DLL
00044             #define CYASSL_API extern __declspec(dllexport)
00045         #else
00046             #define CYASSL_API
00047         #endif
00048         #define CYASSL_LOCAL
00049     #else
00050         #define CYASSL_API
00051         #define CYASSL_LOCAL
00052     #endif /* HAVE_VISIBILITY */
00053 #else /* BUILDING_CYASSL */
00054     #if defined(_MSC_VER)
00055         #ifdef CYASSL_DLL
00056             #define CYASSL_API extern __declspec(dllimport)
00057         #else
00058             #define CYASSL_API
00059         #endif
00060         #define CYASSL_LOCAL
00061     #else
00062         #define CYASSL_API
00063         #define CYASSL_LOCAL
00064     #endif
00065 #endif /* BUILDING_CYASSL */
00066 
00067 
00068 #endif /* CTAO_CRYPT_VISIBILITY_H */
00069