| /* |
| Copyright (C) 2012-2013 Werner Dittmann |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef _OSSPECIFICS_H_ |
| #define _OSSPECIFICS_H_ |
| |
| /** |
| * @file osSpecifics.h |
| * @brief Some functions to adapt to OS and/or compiler specific handling |
| * @defgroup GNU_ZRTP The GNU ZRTP C++ implementation |
| * @{ |
| * |
| * This modules contains some functions that are either specific for a particular |
| * OS or use include files that are not common. |
| * |
| * This header file shall not #include system specific header files and shall also |
| * not use specific #ifdef stuff. Refer to @c osSpecifics.c for the OS specific |
| * #include, #ifdef and implementations. |
| * |
| * @author Werner Dittmann <Werner.Dittmann@t-online.de> |
| */ |
| |
| #ifndef __EXPORT |
| #if (defined _WIN32 || defined __CYGWIN__) && defined(_DLL) |
| #define __EXPORT __declspec(dllimport) |
| #define __LOCAL |
| #elif __GNUC__ >= 4 |
| #define __EXPORT __attribute__ ((visibility("default"))) |
| #define __LOCAL __attribute__ ((visibility("hidden"))) |
| #else |
| #define __EXPORT |
| #define __LOCAL |
| #endif |
| #endif |
| |
| #if defined(_WIN32) || defined(_WIN64) |
| # define snprintf _snprintf |
| #endif |
| |
| #if defined(__cplusplus) |
| extern "C" |
| { |
| #endif |
| /** |
| * Get surrent system time in milli-second. |
| * |
| * @return current time in ms. |
| */ |
| extern uint64_t zrtpGetTickCount(); |
| |
| /** |
| * Convert a 32bit variable from network to host order. |
| * |
| * Replaces the macros found in @c inet.h or @c WinSock2.h. Use this function |
| * to avoid different includes freamed with @c #idef in the sources. Including |
| * @c WinSock2 will increase compile time and may lead to other subtle problems |
| * because @c WinSock2 also includes @c windows.h. |
| * |
| * @param net 32bit variable in network byte order. |
| * |
| * @return 32bit variable in host byte order. |
| */ |
| extern uint32_t zrtpNtohl (uint32_t net); |
| |
| /** |
| * Convert a 16bit variable from network to host order. |
| * |
| * @param net 16bit variable in network byte order. |
| * |
| * @return 16bit variable in host byte order. |
| * |
| * @sa zrtpNtohl() |
| */ |
| extern uint16_t zrtpNtohs (uint16_t net); |
| |
| /** |
| * Convert a 32bit variable from host to network order. |
| * |
| * @param host 32bit variable in host byte order. |
| * |
| * @return 32bit variable in network byte order. |
| * |
| * @sa zrtpNtohl() |
| */ |
| extern uint32_t zrtpHtonl (uint32_t host); |
| |
| /** |
| * Convert a 16bit variable from host to network order. |
| * |
| * @param host 16bit variable in host byte order. |
| * |
| * @return 16bit variable in network byte order. |
| * |
| * @sa zrtpNtohl() |
| */ |
| extern uint16_t zrtpHtons (uint16_t host); |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| |
| /** |
| * @} |
| */ |
| #endif |