thodg/libgit2

diff --git a/src/fileops.c b/src/fileops.c
index d99e117..763537a 100644
--- a/src/fileops.c
+++ b/src/fileops.c
@@ -7,6 +7,9 @@
 #include "common.h"
 #include "fileops.h"
 #include <ctype.h>
+#if GIT_WIN32
+#include "win32/findfile.h"
+#endif
 
 int git_futils_mkpath2file(const char *file_path, const mode_t mode)
 {
@@ -371,151 +374,6 @@ int git_futils_rmdir_r(const char *path, git_directory_removal_type removal_type
 	return error;
 }
 
-#ifdef GIT_WIN32
-struct win32_path {
-	wchar_t path[MAX_PATH];
-	DWORD len;
-};
-
-static int win32_expand_path(struct win32_path *s_root, const wchar_t *templ)
-{
-	s_root->len = ExpandEnvironmentStringsW(templ, s_root->path, MAX_PATH);
-	return s_root->len ? 0 : -1;
-}
-
-static int win32_find_file(git_buf *path, const struct win32_path *root, const char *filename)
-{
-	size_t len, alloc_len;
-	wchar_t *file_utf16 = NULL;
-	char file_utf8[GIT_PATH_MAX];
-
-	if (!root || !filename || (len = strlen(filename)) == 0)
-		return GIT_ENOTFOUND;
-
-	/* allocate space for wchar_t path to file */
-	alloc_len = root->len + len + 2;
-	file_utf16 = git__calloc(alloc_len, sizeof(wchar_t));
-	GITERR_CHECK_ALLOC(file_utf16);
-
-	/* append root + '\\' + filename as wchar_t */
-	memcpy(file_utf16, root->path, root->len * sizeof(wchar_t));
-
-	if (*filename == '/' || *filename == '\\')
-		filename++;
-
-	git__utf8_to_16(file_utf16 + root->len - 1, alloc_len, filename);
-
-	/* check access */
-	if (_waccess(file_utf16, F_OK) < 0) {
-		git__free(file_utf16);
-		return GIT_ENOTFOUND;
-	}
-
-	git__utf16_to_8(file_utf8, file_utf16);
-	git_path_mkposix(file_utf8);
-	git_buf_sets(path, file_utf8);
-
-	git__free(file_utf16);
-	return 0;
-}
-static wchar_t* win32_nextpath(wchar_t *path, wchar_t *buf, size_t buflen)
-{
-	wchar_t term, *base = path;
-
-	assert(path && buf && buflen);
-
-	term = (*path == L'"') ? *path++ : L';';
-
-	for (buflen--; *path && *path != term && buflen; buflen--)
-		*buf++ = *path++;
-
-	*buf = L'\0'; /* reserved a byte via initial subtract */
-
-	while (*path == term || *path == L';')
-		path++;
-
-	return (path != base) ? path : NULL;
-}
-
-static int win32_find_system_file_using_path(git_buf *path, const char *filename)
-{
-	wchar_t * env = NULL;
-	struct win32_path root;
-
-	env = _wgetenv(L"PATH");
-	if (!env)
-		return -1;
-
-	// search in all paths defined in PATH
-	while ((env = win32_nextpath(env, root.path, MAX_PATH - 1)) != NULL && *root.path)
-	{
-		wchar_t * pfin = root.path + wcslen(root.path) - 1; // last char of the current path entry
-
-		// ensure trailing slash
-		if (*pfin != L'/' && *pfin != L'\\')
-			wcscpy(++pfin, L"\\"); // we have enough space left, MAX_PATH - 1 is used in nextpath above
-
-		root.len = (DWORD)wcslen(root.path) + 1;
-
-		if (win32_find_file(path, &root, "git.cmd") == 0 || win32_find_file(path, &root, "git.exe") == 0) {
-			// we found the cmd or bin directory of a git installaton
-			if (root.len > 5) {
-				wcscpy(root.path + wcslen(root.path) - 4, L"etc\\");
-				if (win32_find_file(path, &root, filename) == 0)
-					return 0;
-			}
-		}
-	}
-	
-	return GIT_ENOTFOUND;
-}
-
-static int win32_find_system_file_using_registry(git_buf *path, const char *filename)
-{
-#ifndef _WIN64
-#define REG_MSYSGIT_INSTALL L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1"
-#else
-#define REG_MSYSGIT_INSTALL L"SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1"
-#endif
-
-	struct win32_path root;
-
-	HKEY hKey;
-	DWORD dwType = REG_SZ;
-	DWORD dwSize = MAX_PATH;
-
-	root.len = 0;
-	if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, REG_MSYSGIT_INSTALL, 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS)
-	{
-		if (RegQueryValueExW(hKey, L"InstallLocation", NULL, &dwType,(LPBYTE)&root.path, &dwSize) == ERROR_SUCCESS)
-		{
-			// InstallLocation points to the root of the msysgit directory
-			if (dwSize + 4 > MAX_PATH) // 4 = wcslen(L"etc\\")
-			{
-				giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory - path too long");
-				return -1;
-			}
-			wcscat(root.path, L"etc\\");
-			root.len = (DWORD)wcslen(root.path) + 1;
-		}
-	}
-	RegCloseKey(hKey);
-
-	if (!root.len) {
-		giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory");
-		return -1;
-	}
-
-	if (win32_find_file(path, &root, filename) < 0) {
-		giterr_set(GITERR_OS, "The system file '%s' doesn't exist", filename);
-		git_buf_clear(path);
-		return GIT_ENOTFOUND;
-	}
-
-	return 0;
-}
-#endif
-
 int git_futils_find_system_file(git_buf *path, const char *filename)
 {
 #ifdef GIT_WIN32
diff --git a/src/win32/findfile.c b/src/win32/findfile.c
new file mode 100644
index 0000000..de9373c
--- /dev/null
+++ b/src/win32/findfile.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2012 the libgit2 contributors
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include "utf-conv.h"
+#include "path.h"
+#include "findfile.h"
+
+#ifndef _WIN64
+#define REG_MSYSGIT_INSTALL L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1"
+#else
+#define REG_MSYSGIT_INSTALL L"SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Git_is1"
+#endif
+
+int win32_expand_path(struct win32_path *s_root, const wchar_t *templ)
+{
+	s_root->len = ExpandEnvironmentStringsW(templ, s_root->path, MAX_PATH);
+	return s_root->len ? 0 : -1;
+}
+
+int win32_find_file(git_buf *path, const struct win32_path *root, const char *filename)
+{
+	size_t len, alloc_len;
+	wchar_t *file_utf16 = NULL;
+	char file_utf8[GIT_PATH_MAX];
+
+	if (!root || !filename || (len = strlen(filename)) == 0)
+		return GIT_ENOTFOUND;
+
+	/* allocate space for wchar_t path to file */
+	alloc_len = root->len + len + 2;
+	file_utf16 = git__calloc(alloc_len, sizeof(wchar_t));
+	GITERR_CHECK_ALLOC(file_utf16);
+
+	/* append root + '\\' + filename as wchar_t */
+	memcpy(file_utf16, root->path, root->len * sizeof(wchar_t));
+
+	if (*filename == '/' || *filename == '\\')
+		filename++;
+
+	git__utf8_to_16(file_utf16 + root->len - 1, alloc_len, filename);
+
+	/* check access */
+	if (_waccess(file_utf16, F_OK) < 0) {
+		git__free(file_utf16);
+		return GIT_ENOTFOUND;
+	}
+
+	git__utf16_to_8(file_utf8, file_utf16);
+	git_path_mkposix(file_utf8);
+	git_buf_sets(path, file_utf8);
+
+	git__free(file_utf16);
+	return 0;
+}
+
+wchar_t* win32_nextpath(wchar_t *path, wchar_t *buf, size_t buflen)
+{
+	wchar_t term, *base = path;
+
+	assert(path && buf && buflen);
+
+	term = (*path == L'"') ? *path++ : L';';
+
+	for (buflen--; *path && *path != term && buflen; buflen--)
+		*buf++ = *path++;
+
+	*buf = L'\0'; /* reserved a byte via initial subtract */
+
+	while (*path == term || *path == L';')
+		path++;
+
+	return (path != base) ? path : NULL;
+}
+
+int win32_find_system_file_using_path(git_buf *path, const char *filename)
+{
+	wchar_t * env = NULL;
+	struct win32_path root;
+
+	env = _wgetenv(L"PATH");
+	if (!env)
+		return -1;
+
+	// search in all paths defined in PATH
+	while ((env = win32_nextpath(env, root.path, MAX_PATH - 1)) != NULL && *root.path)
+	{
+		wchar_t * pfin = root.path + wcslen(root.path) - 1; // last char of the current path entry
+
+		// ensure trailing slash
+		if (*pfin != L'/' && *pfin != L'\\')
+			wcscpy(++pfin, L"\\"); // we have enough space left, MAX_PATH - 1 is used in nextpath above
+
+		root.len = (DWORD)wcslen(root.path) + 1;
+
+		if (win32_find_file(path, &root, "git.cmd") == 0 || win32_find_file(path, &root, "git.exe") == 0) {
+			// we found the cmd or bin directory of a git installaton
+			if (root.len > 5) {
+				wcscpy(root.path + wcslen(root.path) - 4, L"etc\\");
+				if (win32_find_file(path, &root, filename) == 0)
+					return 0;
+			}
+		}
+	}
+	
+	return GIT_ENOTFOUND;
+}
+
+int win32_find_system_file_using_registry(git_buf *path, const char *filename)
+{
+	struct win32_path root;
+
+	HKEY hKey;
+	DWORD dwType = REG_SZ;
+	DWORD dwSize = MAX_PATH;
+
+	root.len = 0;
+	if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, REG_MSYSGIT_INSTALL, 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS)
+	{
+		if (RegQueryValueExW(hKey, L"InstallLocation", NULL, &dwType,(LPBYTE)&root.path, &dwSize) == ERROR_SUCCESS)
+		{
+			// InstallLocation points to the root of the msysgit directory
+			if (dwSize + 4 > MAX_PATH) // 4 = wcslen(L"etc\\")
+			{
+				giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory - path too long");
+				return -1;
+			}
+			wcscat(root.path, L"etc\\");
+			root.len = (DWORD)wcslen(root.path) + 1;
+		}
+	}
+	RegCloseKey(hKey);
+
+	if (!root.len) {
+		giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory");
+		return -1;
+	}
+
+	if (win32_find_file(path, &root, filename) < 0) {
+		giterr_set(GITERR_OS, "The system file '%s' doesn't exist", filename);
+		git_buf_clear(path);
+		return GIT_ENOTFOUND;
+	}
+
+	return 0;
+}
diff --git a/src/win32/findfile.h b/src/win32/findfile.h
new file mode 100644
index 0000000..8751b73
--- /dev/null
+++ b/src/win32/findfile.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2012 the libgit2 contributors
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#ifndef INCLUDE_git_findfile_h__
+#define INCLUDE_git_findfile_h__
+
+struct win32_path {
+	wchar_t path[MAX_PATH];
+	DWORD len;
+};
+
+int win32_expand_path(struct win32_path *s_root, const wchar_t *templ);
+
+int win32_find_file(git_buf *path, const struct win32_path *root, const char *filename);
+int win32_find_system_file_using_path(git_buf *path, const char *filename);
+int win32_find_system_file_using_registry(git_buf *path, const char *filename);
+
+#endif
+