1 files changed, 130 insertions, 0 deletions
diff --git a/src/os_win/os_winerr.c b/src/os_win/os_winerr.c
new file mode 100644
index 00000000000..70499580c48
--- /dev/null
+++ b/src/os_win/os_winerr.c
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 2014-2016 MongoDB, Inc.
+ * Copyright (c) 2008-2014 WiredTiger, Inc.
+ *	All rights reserved.
+ *
+ * See the file LICENSE for redistribution information.
+ */
+
+#include "wt_internal.h"
+
+/*
+ * __wt_getlasterror --
+ *	Return GetLastError, or a relatively generic Windows error if the system
+ * error code isn't set.
+ */
+DWORD
+__wt_getlasterror(void)
+{
+	DWORD windows_error;
+
+	/*
+	 * Check for ERROR_SUCCESS:
+	 * It's easy to introduce a problem by calling the wrong error function,
+	 * for example, this function when the MSVC function set the C runtime
+	 * error value. Handle gracefully and always return an error.
+	 */
+	windows_error = GetLastError();
+	return (windows_error == ERROR_SUCCESS ?
+	    ERROR_INVALID_PARAMETER : windows_error);
+}
+
+/*
+ * __wt_map_windows_error --
+ *	Map Windows errors to POSIX/ANSI errors.
+ */
+int
+__wt_map_windows_error(DWORD windows_error)
+{
+	static const struct {
+		int	windows_error;
+		int	posix_error;
+	} list[] = {
+		{ ERROR_ACCESS_DENIED,		EACCES },
+		{ ERROR_ALREADY_EXISTS,		EEXIST },
+		{ ERROR_ARENA_TRASHED,		EFAULT },
+		{ ERROR_BAD_COMMAND,		EFAULT },
+		{ ERROR_BAD_ENVIRONMENT,	EFAULT },
+		{ ERROR_BAD_FORMAT,		EFAULT },
+		{ ERROR_BAD_NETPATH,		ENOENT },
+		{ ERROR_BAD_NET_NAME,		ENOENT },
+		{ ERROR_BAD_PATHNAME,		ENOENT },
+		{ ERROR_BROKEN_PIPE,		EPIPE },
+		{ ERROR_CANNOT_MAKE,		EACCES },
+		{ ERROR_CHILD_NOT_COMPLETE,	ECHILD },
+		{ ERROR_CURRENT_DIRECTORY,	EACCES },
+		{ ERROR_DIRECT_ACCESS_HANDLE,	EBADF },
+		{ ERROR_DIR_NOT_EMPTY,		ENOTEMPTY },
+		{ ERROR_DISK_FULL,		ENOSPC },
+		{ ERROR_DRIVE_LOCKED,		EACCES },
+		{ ERROR_FAIL_I24,		EACCES },
+		{ ERROR_FILENAME_EXCED_RANGE,	ENOENT },
+		{ ERROR_FILE_EXISTS,		EEXIST },
+		{ ERROR_FILE_NOT_FOUND,		ENOENT },
+		{ ERROR_GEN_FAILURE,		EFAULT },
+		{ ERROR_INVALID_ACCESS,		EACCES },
+		{ ERROR_INVALID_BLOCK,		EFAULT },
+		{ ERROR_INVALID_DATA,		EFAULT },
+		{ ERROR_INVALID_DRIVE,		ENOENT },
+		{ ERROR_INVALID_FUNCTION,	EINVAL },
+		{ ERROR_INVALID_HANDLE,		EBADF },
+		{ ERROR_INVALID_PARAMETER,	EINVAL },
+		{ ERROR_INVALID_TARGET_HANDLE,	EBADF },
+		{ ERROR_LOCK_FAILED,		EBUSY },
+		{ ERROR_LOCK_VIOLATION,		EBUSY },
+		{ ERROR_MAX_THRDS_REACHED,	EAGAIN },
+		{ ERROR_NEGATIVE_SEEK,		EINVAL },
+		{ ERROR_NESTING_NOT_ALLOWED,	EAGAIN },
+		{ ERROR_NETWORK_ACCESS_DENIED,	EACCES },
+		{ ERROR_NOT_ENOUGH_MEMORY,	ENOMEM },
+		{ ERROR_NOT_ENOUGH_QUOTA,	ENOMEM },
+		{ ERROR_NOT_LOCKED,		EACCES },
+		{ ERROR_NOT_READY,		EBUSY },
+		{ ERROR_NOT_SAME_DEVICE,	EXDEV },
+		{ ERROR_NO_DATA,		EPIPE },
+		{ ERROR_NO_MORE_FILES,		EMFILE },
+		{ ERROR_NO_PROC_SLOTS,		EAGAIN },
+		{ ERROR_PATH_NOT_FOUND,		ENOENT },
+		{ ERROR_READ_FAULT,		EFAULT },
+		{ ERROR_RETRY,			EINTR },
+		{ ERROR_SEEK_ON_DEVICE,		EACCES },
+		{ ERROR_SHARING_VIOLATION,	EBUSY },
+		{ ERROR_TOO_MANY_OPEN_FILES,	EMFILE },
+		{ ERROR_WAIT_NO_CHILDREN,	ECHILD },
+		{ ERROR_WRITE_FAULT,		EFAULT },
+		{ ERROR_WRITE_PROTECT,		EACCES },
+	};
+	int i;
+
+	for (i = 0; i < WT_ELEMENTS(list); ++i)
+		if (windows_error == list[i].windows_error)
+			return (list[i].posix_error);
+
+	/* Untranslatable error, go generic. */
+	return (WT_ERROR);
+}
+
+/*
+ * __wt_formatmessage --
+ *	Windows error formatting.
+ */
+const char *
+__wt_formatmessage(WT_SESSION_IMPL *session, DWORD windows_error)
+{
+	/*
+	 * !!!
+	 * This function MUST handle a NULL session handle.
+	 *
+	 * Grow the session error buffer as necessary.
+	 */
+	if (session != NULL &&
+	    __wt_buf_initsize(session, &session->err, 512) == 0 &&
+	    FormatMessageA(
+	    FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+	    NULL, windows_error,
+	    0, 			/* Let system choose the correct LANGID. */
+	    session->err.mem, (DWORD)512, NULL) != 0)
+		return (session->err.data);
+
+	return ("Unable to format Windows error string");
+}