opt: cygfuse

opt/cygfuse/Makefile

@@ -0,0 +1,8 @@
+#Debug = -g
+
+cygfuse.dll libfuse.a: cygfuse.cpp
+	g++ $(Debug) -shared -o cygfuse.dll -Wl,--out-implib=libfuse.a -I../../inc/fuse cygfuse.cpp
+	[ -n "$(Debug)" ] || strip cygfuse.dll
+
+cygfuse-test.exe: cygfuse-test.c cygfuse.dll libfuse.a
+	gcc $(Debug) -o cygfuse-test.exe -I../../inc/fuse -DCYGFUSE cygfuse-test.c -L$(PWD) -lfuse

opt/cygfuse/cygfuse-test.c

@@ -0,0 +1,6 @@
+#include <fuse.h>
+
+int main()
+{
+    return !(FUSE_VERSION == fuse_version());
+}

opt/cygfuse/cygfuse.cpp

@@ -0,0 +1,120 @@
+/**
+ * @file cygfuse/cygfuse.cpp
+ *
+ * @copyright 2015-2016 Bill Zissimopoulos
+ */
+/*
+ * This file is part of WinFsp.
+ *
+ * You can redistribute it and/or modify it under the terms of the
+ * GNU Affero General Public License version 3 as published by the
+ * Free Software Foundation.
+ *
+ * Licensees holding a valid commercial license may use this file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#include <windows.h>
+
+static HANDLE cygfuse_init_winfsp();
+static HANDLE cygfuse_init_fail(int err);
+static inline void cygfuse_init()
+{
+    static HANDLE Handle = cygfuse_init_winfsp();
+}
+
+#define FSP_FUSE_API                    static
+#define FSP_FUSE_API_NAME(api)          (* pfn_ ## api)
+#define FSP_FUSE_API_CALL(api)          (cygfuse_init(), pfn_ ## api)
+#define FSP_FUSE_SYM(proto, ...)        __attribute__ ((visibility("default"))) proto { __VA_ARGS__ }
+#include <fuse_common.h>
+#include <fuse.h>
+#include <fuse_opt.h>
+
+#if defined(__LP64__)
+#define CYGFUSE_WINFSP_NAME             "winfsp-x64.dll"
+#else
+#define CYGFUSE_WINFSP_NAME             "winfsp-x86.dll"
+#endif
+#define CYGFUSE_WINFSP_PATH             "bin\\" CYGFUSE_WINFSP_NAME
+#define CYGFUSE_API_GET(h, n)           \
+    if (0 == (*(FARPROC *)&(pfn_ ## n) = GetProcAddress((HMODULE)h, #n)))\
+        return cygfuse_init_fail(ERROR_PROC_NOT_FOUND);
+
+static HANDLE cygfuse_init_fail(int err)
+{
+    //RaiseException(ERROR_SEVERITY_ERROR | (109/*FACILITY_VISUALCPP*/ << 16) | err, 0, 0, 0);
+    abort();
+    return 0;
+}
+
+static HANDLE cygfuse_init_winfsp()
+{
+    HANDLE Handle;
+
+    Handle = LoadLibraryW(L"" CYGFUSE_WINFSP_NAME);
+    if (0 == Handle)
+    {
+        HKEY RegKey;
+        DWORD RegResult, RegType;
+        WCHAR Path[MAX_PATH];
+        DWORD Size;
+
+        Size = sizeof(Path);
+        if (ERROR_SUCCESS == (RegResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
+            L"Software\\WinFsp", 0, KEY_QUERY_VALUE | KEY_WOW64_32KEY, &RegKey)))
+        {
+            RegResult = RegQueryValueExW(RegKey, L"InstallDir", 0, &RegType, (PBYTE)Path, &Size);
+            RegCloseKey(RegKey);
+        }
+        if (ERROR_SUCCESS != RegResult)
+            return cygfuse_init_fail(ERROR_MOD_NOT_FOUND);
+
+        Size /= sizeof(WCHAR);
+        if (Size >= MAX_PATH)
+            Size = MAX_PATH - 1;
+        Path[Size] = L'\0';
+
+        Size = lstrlenW(Path);
+        if (Size * sizeof(WCHAR) + sizeof L"" CYGFUSE_WINFSP_PATH > MAX_PATH * sizeof(WCHAR))
+            return cygfuse_init_fail(ERROR_MOD_NOT_FOUND);
+
+        memcpy(Path + Size, L"" CYGFUSE_WINFSP_PATH, sizeof L"" CYGFUSE_WINFSP_PATH);
+
+        Handle = LoadLibraryW(Path);
+        if (0 == Handle)
+            return cygfuse_init_fail(ERROR_MOD_NOT_FOUND);
+    }
+
+    /* winfsp_fuse.h */
+    CYGFUSE_API_GET(Handle, fsp_fuse_signal_handler);
+
+    /* fuse_common.h */
+    CYGFUSE_API_GET(Handle, fsp_fuse_version);
+    CYGFUSE_API_GET(Handle, fsp_fuse_mount);
+    CYGFUSE_API_GET(Handle, fsp_fuse_unmount);
+    CYGFUSE_API_GET(Handle, fsp_fuse_parse_cmdline);
+    CYGFUSE_API_GET(Handle, fsp_fuse_ntstatus_from_errno);
+
+    /* fuse.h */
+    CYGFUSE_API_GET(Handle, fsp_fuse_main_real);
+    CYGFUSE_API_GET(Handle, fsp_fuse_is_lib_option);
+    CYGFUSE_API_GET(Handle, fsp_fuse_new);
+    CYGFUSE_API_GET(Handle, fsp_fuse_destroy);
+    CYGFUSE_API_GET(Handle, fsp_fuse_loop);
+    CYGFUSE_API_GET(Handle, fsp_fuse_loop_mt);
+    CYGFUSE_API_GET(Handle, fsp_fuse_exit);
+    CYGFUSE_API_GET(Handle, fsp_fuse_get_context);
+
+    /* fuse_opt.h */
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_parse);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_add_arg);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_insert_arg);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_free_args);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_add_opt);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_add_opt_escaped);
+    CYGFUSE_API_GET(Handle, fsp_fuse_opt_match);
+
+    return Handle;
+}

opt/cygfuse/fuse.pc

@@ -0,0 +1,9 @@
+prefix=/usr/local
+incdir=${prefix}/include/fuse
+
+Name: fuse
+Description: WinFsp FUSE compatible API
+Version: 2.8
+URL: http://www.secfs.net/winfsp/
+Libs: -lfuse
+Cflags: -I"${incdir}" -DCYGFUSE