1 files changed, 90 insertions, 0 deletions
diff --git a/db-4.8.30/os_windows/os_stat.c b/db-4.8.30/os_windows/os_stat.c
new file mode 100644
index 0000000..0f40a05
--- /dev/null
+++ b/db-4.8.30/os_windows/os_stat.c
@@ -0,0 +1,90 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997-2009 Oracle.  All rights reserved.
+ *
+ * $Id$
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+/*
+ * __os_exists --
+ *	Return if the file exists.
+ */
+int
+__os_exists(env, path, isdirp)
+	ENV *env;
+	const char *path;
+	int *isdirp;
+{
+	DB_ENV *dbenv;
+	DWORD attrs;
+	_TCHAR *tpath;
+	int ret;
+
+	dbenv = env == NULL ? NULL : env->dbenv;
+
+	TO_TSTRING(env, path, tpath, ret);
+	if (ret != 0)
+		return (ret);
+
+	if (dbenv != NULL &&
+	    FLD_ISSET(dbenv->verbose, DB_VERB_FILEOPS | DB_VERB_FILEOPS_ALL))
+		__db_msg(env, "fileops: stat %s", path);
+
+	RETRY_CHK(
+	    ((attrs = GetFileAttributes(tpath)) == (DWORD)-1 ? 1 : 0), ret);
+	if (ret == 0) {
+		if (isdirp != NULL)
+			*isdirp = (attrs & FILE_ATTRIBUTE_DIRECTORY);
+	} else
+		ret = __os_posix_err(ret);
+
+	FREE_STRING(env, tpath);
+	return (ret);
+}
+
+/*
+ * __os_ioinfo --
+ *	Return file size and I/O size; abstracted to make it easier
+ *	to replace.
+ */
+int
+__os_ioinfo(env, path, fhp, mbytesp, bytesp, iosizep)
+	ENV *env;
+	const char *path;
+	DB_FH *fhp;
+	u_int32_t *mbytesp, *bytesp, *iosizep;
+{
+	int ret;
+	BY_HANDLE_FILE_INFORMATION bhfi;
+	unsigned __int64 filesize;
+
+	RETRY_CHK((!GetFileInformationByHandle(fhp->handle, &bhfi)), ret);
+	if (ret != 0) {
+		__db_syserr(env, ret, "GetFileInformationByHandle");
+		return (__os_posix_err(ret));
+	}
+
+	filesize = ((unsigned __int64)bhfi.nFileSizeHigh << 32) +
+	    bhfi.nFileSizeLow;
+
+	/* Return the size of the file. */
+	if (mbytesp != NULL)
+		*mbytesp = (u_int32_t)(filesize / MEGABYTE);
+	if (bytesp != NULL)
+		*bytesp = (u_int32_t)(filesize % MEGABYTE);
+
+	/*
+	 * The filesystem I/O size is not easily available.  In particular,
+	 * the values returned by GetDiskFreeSpace() are not very helpful
+	 * (NTFS volumes often report 512B clusters, which are too small to
+	 * be a useful default).
+	 */
+	if (iosizep != NULL)
+		*iosizep = DB_DEF_IOSIZE;
+	return (0);
+}