include/freerdp/api.h

 
#ifndef FREERDP_API_H
#define FREERDP_API_H
 
#include <winpr/winpr.h>
#include <winpr/wlog.h>
#include <winpr/platform.h>
 
/* To silence missing prototype warnings for library entry points use this macro.
 * It first declares the function as prototype and then again as function implementation
 */
#define FREERDP_ENTRY_POINT(fkt) \
  fkt;                         \
  fkt
 
#ifdef _WIN32
#define FREERDP_CC __cdecl
#else
#define FREERDP_CC
#endif
 
#if defined _WIN32 || defined __CYGWIN__
#ifdef FREERDP_EXPORTS
#ifdef __GNUC__
#define FREERDP_API __attribute__((dllexport))
#else
#define FREERDP_API __declspec(dllexport)
#endif
#else
#ifdef __GNUC__
#define FREERDP_API __attribute__((dllimport))
#else
#define FREERDP_API __declspec(dllimport)
#endif
#endif
#else
#if defined(__GNUC__) && (__GNUC__ >= 4)
#if defined(__cplusplus) && (__cplusplus >= 201703L)
#define FREERDP_API [[gnu::visibility("default")]]
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202311L)
#define FREERDP_API [[gnu::visibility("default")]]
#else
#define FREERDP_API __attribute__((visibility("default")))
#endif
#else
#define FREERDP_API
#endif
#endif
 
#if defined(EXPORT_ALL_SYMBOLS)
#define FREERDP_LOCAL FREERDP_API
#else
#if defined _WIN32 || defined __CYGWIN__
#define FREERDP_LOCAL
#else
#if defined(__GNUC__) && (__GNUC__ >= 4)
#if defined(__cplusplus) && (__cplusplus >= 201703L)
#define FREERDP_LOCAL [[gnu::visibility("hidden")]]
#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202311L)
#define FREERDP_LOCAL [[gnu::visibility("hidden")]]
#else
#define FREERDP_LOCAL __attribute__((visibility("hidden")))
#endif
#else
#define FREERDP_LOCAL
#endif
#endif
#endif
 
#define IFCALL(_cb, ...)                                                \
  do                                                                  \
  {                                                                   \
    if (_cb != nullptr)                                             \
      _cb(__VA_ARGS__);                                           \
    else                                                            \
      WLog_VRB("com.freerdp.api", "IFCALL(" #_cb ") == nullptr"); \
  } while (0)
#define IFCALLRET(_cb, _ret, ...)                                          \
  do                                                                     \
  {                                                                      \
    if (_cb != nullptr)                                                \
      _ret = _cb(__VA_ARGS__);                                       \
    else                                                               \
      WLog_VRB("com.freerdp.api", "IFCALLRET(" #_cb ") == nullptr"); \
  } while (0)
 
#if defined(__GNUC__) || defined(__clang__)
#define IFCALLRESULT(_default_return, _cb, ...)                               \
  __extension__({                                                           \
    if (_cb == nullptr)                                                   \
    {                                                                     \
      WLog_VRB("com.freerdp.api", "IFCALLRESULT(" #_cb ") == nullptr"); \
    }                                                                     \
    ((_cb != nullptr) ? _cb(__VA_ARGS__) : (_default_return));            \
  })
#else
#define IFCALLRESULT(_default_return, _cb, ...) \
  ((_cb != nullptr) ? _cb(__VA_ARGS__) : (_default_return))
#endif
 
#define ALIGN64 DECLSPEC_ALIGN(8)
 
#endif /* FREERDP_API */