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-rw-r--r--vendor/github.com/karalabe/hid/libusb/libusb/os/windows_common.h124
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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
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+/*
+ * 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)