diff options
Diffstat (limited to 'vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h')
-rw-r--r-- | vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h b/vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h new file mode 100644 index 000000000..55344ca26 --- /dev/null +++ b/vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h @@ -0,0 +1,124 @@ +/* + * Windows backend common header for libusb 1.0 + * + * This file brings together header code common between + * the desktop Windows and Windows CE backends. + * Copyright © 2012-2013 RealVNC Ltd. + * Copyright © 2009-2012 Pete Batard <pete@akeo.ie> + * With contributions from Michael Plante, Orin Eman et al. + * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer + * Major code testing contribution by Xiaofan Chen + * + * This library 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 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#pragma once + +// Windows API default is uppercase - ugh! +#if !defined(bool) +#define bool BOOL +#endif +#if !defined(true) +#define true TRUE +#endif +#if !defined(false) +#define false FALSE +#endif + +#define EPOCH_TIME UINT64_C(116444736000000000) // 1970.01.01 00:00:000 in MS Filetime + +#if defined(__CYGWIN__ ) +#define _stricmp strcasecmp +#define _strdup strdup +// _beginthreadex is MSVCRT => unavailable for cygwin. Fallback to using CreateThread +#define _beginthreadex(a, b, c, d, e, f) CreateThread(a, b, (LPTHREAD_START_ROUTINE)c, d, e, (LPDWORD)f) +#endif + +#define safe_free(p) do {if (p != NULL) {free((void *)p); p = NULL;}} while (0) + +#ifndef ARRAYSIZE +#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0])) +#endif + +#define ERR_BUFFER_SIZE 256 + +/* + * API macros - leveraged from libusb-win32 1.x + */ +#ifndef _WIN32_WCE +#define DLL_STRINGIFY(s) #s +#define DLL_LOAD_LIBRARY(name) LoadLibraryA(DLL_STRINGIFY(name)) +#else +#define DLL_STRINGIFY(s) L#s +#define DLL_LOAD_LIBRARY(name) LoadLibrary(DLL_STRINGIFY(name)) +#endif + +/* + * Macros for handling DLL themselves + */ +#define DLL_DECLARE_HANDLE(name) \ + static HMODULE __dll_##name##_handle = NULL + +#define DLL_GET_HANDLE(name) \ + do { \ + __dll_##name##_handle = DLL_LOAD_LIBRARY(name); \ + if (!__dll_##name##_handle) \ + return LIBUSB_ERROR_OTHER; \ + } while (0) + +#define DLL_FREE_HANDLE(name) \ + do { \ + if (__dll_##name##_handle) { \ + FreeLibrary(__dll_##name##_handle); \ + __dll_##name##_handle = NULL; \ + } \ + } while(0) + + +/* + * Macros for handling functions within a DLL + */ +#define DLL_DECLARE_FUNC_PREFIXNAME(api, ret, prefixname, name, args) \ + typedef ret (api * __dll_##name##_func_t)args; \ + static __dll_##name##_func_t prefixname = NULL + +#define DLL_DECLARE_FUNC(api, ret, name, args) \ + DLL_DECLARE_FUNC_PREFIXNAME(api, ret, name, name, args) +#define DLL_DECLARE_FUNC_PREFIXED(api, ret, prefix, name, args) \ + DLL_DECLARE_FUNC_PREFIXNAME(api, ret, prefix##name, name, args) + +#define DLL_LOAD_FUNC_PREFIXNAME(dll, prefixname, name, ret_on_failure) \ + do { \ + HMODULE h = __dll_##dll##_handle; \ + prefixname = (__dll_##name##_func_t)GetProcAddress(h, \ + DLL_STRINGIFY(name)); \ + if (prefixname) \ + break; \ + prefixname = (__dll_##name##_func_t)GetProcAddress(h, \ + DLL_STRINGIFY(name) DLL_STRINGIFY(A)); \ + if (prefixname) \ + break; \ + prefixname = (__dll_##name##_func_t)GetProcAddress(h, \ + DLL_STRINGIFY(name) DLL_STRINGIFY(W)); \ + if (prefixname) \ + break; \ + if (ret_on_failure) \ + return LIBUSB_ERROR_NOT_FOUND; \ + } while(0) + +#define DLL_LOAD_FUNC(dll, name, ret_on_failure) \ + DLL_LOAD_FUNC_PREFIXNAME(dll, name, name, ret_on_failure) +#define DLL_LOAD_FUNC_PREFIXED(dll, prefix, name, ret_on_failure) \ + DLL_LOAD_FUNC_PREFIXNAME(dll, prefix##name, name, ret_on_failure) |