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livetrax/libs/pbd/pbd/msvc_pbd.h
John Emmas f598105966 Add support for the C99 function 'log2()' which is newly needed by 'gtk2_ardour/tempo_lines.cc' (but isn't available from MSVC). 
These changes are MSVC specific and shouldn't affect the other builds.

(incidentally, libpbd already offers a function called 'fast_log2()'. Not sure if that could have been used instead...)
2015-01-10 11:56:24 +00:00

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/*
Copyright (C) 2009 John Emmas
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _msvc_pbd_h_
#define _msvc_pbd_h_
#ifdef PBD_IS_IN_WIN_STATIC_LIB // #define if your project uses libpbd (under Windows) as a static library
#undef LIBPBD_DLL
#define PBD_IS_IN_WINDLL 0
#endif
#include <pbd/libpbd_visibility.h>
#ifndef COMPILER_MSVC
#include <sys/time.h>
#else
#include <ardourext/misc.h>
#include <ardourext/sys/time.h>
#endif
#if !defined(PBD_IS_IN_WINDLL)
#if defined(COMPILER_MSVC) || defined(COMPILER_MINGW)
// If you need '__declspec' compatibility, add extra compilers to the above as necessary
#define PBD_IS_IN_WINDLL 1
#else
#define PBD_IS_IN_WINDLL 0
#endif
#endif
#if PBD_IS_IN_WINDLL && !defined(PBD_APICALLTYPE)
#if defined(BUILDING_PBD)
#define PBD_APICALLTYPE __cdecl
#elif defined(COMPILER_MSVC) || defined(COMPILER_MINGW) // Probably needs Cygwin too, at some point
#define PBD_APICALLTYPE __cdecl
#else
#error "Attempting to define __declspec with an incompatible compiler !"
#endif
#elif !defined(PBD_APICALLTYPE)
// Other compilers / platforms could be accommodated here
#define PBD_APICALLTYPE
#ifndef GETOPT_API
#define GETOPT_API
#define GETOPT_APICALLTYPE
#endif
#endif
#ifndef GETOPT_API
#if defined(BUILDING_GETOPT)
#define GETOPT_API __declspec(dllexport)
#define GETOPT_APICALLTYPE __cdecl
#elif defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW__) || defined(_MINGW32__)
#define GETOPT_API __declspec(dllimport)
#define GETOPT_APICALLTYPE __cdecl
#else
#error "Attempting to define __declspec with an incompatible compiler !"
#endif
#endif // GETOPT_API
#ifndef _MAX_PATH
#define _MAX_PATH 260
#endif
#ifndef PATH_MAX
#define PATH_MAX _MAX_PATH
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
// This function is (hopefully) temporary and is placed here
// because 'g_usleep()' doesn't seem to work very well for glib-win32
// JE - let's see if we can do without this now! void pbd_g_usleep (unsigned long microseconds);
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#ifndef POLLIN
#define POLLIN 1
#define POLLPRI 2
#define POLLOUT 4
#define POLLERR 8
#define POLLHUP 16
#define POLLNVAL 32
#define NPOLLFILE 64
#define POLLRDNORM POLLIN
#define POLLRDBAND POLLIN
#define POLLWRNORM POLLOUT
#define POLLWRBAND POLLOUT
#endif
#ifdef PLATFORM_WINDOWS
#ifndef PBDEXTN_API
#if defined(BUILDING_PBDEXTN)
#define PBDEXTN_API __declspec(dllexport)
#define PBDEXTN_APICALLTYPE __cdecl
#elif defined(COMPILER_MSVC) || defined(COMPILER_MINGW) // Probably needs Cygwin too, at some point
#define PBDEXTN_API __declspec(dllimport)
#define PBDEXTN_APICALLTYPE __cdecl
#else
#error "Attempting to define __declspec with an incompatible compiler !"
#endif
#endif // PBDEXTN_API
#ifndef CYGIMPORT_API
#define CYGIMPORT_API __declspec(dllimport)
#define CYGIMPORT_APICALLTYPE __cdecl
#endif // CYGIMPORT_API
#ifndef __THROW
#define __THROW throw()
#endif
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT ((void *) 0)
#define RTLD_NEXT ((void *) -1L)
#define RTLD_LAZY 0x00001
#define RTLD_NOW 0x00002
#define RTLD_BINDING_MASK 0x00003
#define RTLD_NOLOAD 0x00004
#define RTLD_GLOBAL 0x00004
#define RTLD_DEEPBIND 0x00008
#endif
#ifndef OPEN_MAX
#define OPEN_MAX 32
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
PBDEXTN_API int PBDEXTN_APICALLTYPE cyginit (unsigned int result);
LIBPBD_API int PBD_APICALLTYPE dlclose (void *handle) __THROW;
LIBPBD_API void* PBD_APICALLTYPE dlopen (const char *file_name, int mode) __THROW;
LIBPBD_API void* PBD_APICALLTYPE dlsym (void *handle, const char *symbol_name) __THROW;
LIBPBD_API char* PBD_APICALLTYPE dlerror () __THROW;
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#ifndef __CYGWIN__
/* For whatever reason, Ardour's 'libevoral' refuses to build as a DLL if we include both 'rpc.h' */
/* and 'WinSock2.h'. It doesn't seem to matter which order we #include them. Given that we can't */
/* edit 'rpc.h' or 'WinSock2.h', just make sure we don't #include them when building libevoral. */
#ifndef BUILDING_EVORAL
#include <rpc.h>
typedef int (FAR PBDEXTN_APICALLTYPE *CYGINIT_API)(unsigned int);
#endif
#include <io.h>
#include <sys/types.h>
#ifndef FILENAME_MAX
#define FILENAME_MAX (260)
#endif
#ifndef _SSIZE_T_
#define _SSIZE_T_
typedef long _ssize_t;
#ifndef _NO_OLDNAMES
typedef _ssize_t ssize_t;
#endif
#endif /* ! _SSIZE_T_ */
struct dirent
{
long d_ino; // Always zero
unsigned short d_reclen; // Always zero
unsigned short d_namlen; // Length of name in d_name
char d_name[FILENAME_MAX]; // File name
};
// This is an internal data structure. Do not use it
// except as an argument to one of the functions below.
typedef struct
{
// Disk transfer area for this dir
struct _finddata_t dd_dta;
// 'dirent' struct to return from dir (NOTE: this
// is not thread safe).
struct dirent dd_dir;
// '_findnext()' handle
long dd_handle;
// Current status of search:
// 0 = not started yet (next entry to read is first entry)
// -1 = off the end
// Otherwise - positive (0 based) index of next entry
int dd_stat;
// Full path for dir with search pattern (struct will be extended)
char dd_name[1];
} DIR;
struct pollfd
{
int fd;
short events;
short revents;
};
typedef unsigned int nfds_t;
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
LIBPBD_API int __cdecl gettimeofday(struct timeval *__restrict tv, __timezone_ptr_t tz);
LIBPBD_API ssize_t PBD_APICALLTYPE pread(int handle, void *buf, size_t nbytes, off_t offset);
LIBPBD_API ssize_t PBD_APICALLTYPE pwrite(int handle, const void *buf, size_t nbytes, off_t offset);
LIBPBD_API int PBD_APICALLTYPE poll(struct pollfd *fds, nfds_t nfds, int timeout);
LIBPBD_API double PBD_APICALLTYPE round(double x);
LIBPBD_API double PBD_APICALLTYPE trunc(double x);
LIBPBD_API double PBD_APICALLTYPE log2(double x);
namespace PBD {
LIBPBD_API bool PBD_APICALLTYPE TestForMinimumSpecOS(char *revision="currently ignored");
LIBPBD_API char* PBD_APICALLTYPE realpath (const char *original_path, char resolved_path[_MAX_PATH+1]);
LIBPBD_API int PBD_APICALLTYPE mkstemp (char *template_name);
LIBPBD_API int PBD_APICALLTYPE ntfs_link (const char *existing_filepath, const char *link_filepath);
LIBPBD_API int PBD_APICALLTYPE ntfs_unlink (const char *link_filepath);
// These are used to replicate 'dirent.h' functionality
LIBPBD_API DIR* PBD_APICALLTYPE opendir (const char *szPath);
LIBPBD_API struct dirent* PBD_APICALLTYPE readdir (DIR *pDir);
LIBPBD_API int PBD_APICALLTYPE closedir (DIR *pDir);
} // namespace PBD
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif // !__CYGWIN__
#endif // PLATFORM_WINDOWS
#endif // _msvc_pbd_h_
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