Nearing 0.6.2 release; Windows version now works.
diff --git a/diskio.cc b/diskio.cc
index d1d0c3c..0f58ab5 100644
--- a/diskio.cc
+++ b/diskio.cc
@@ -15,7 +15,7 @@
#define __STDC_LIMIT_MACROS
#define __STDC_CONSTANT_MACROS
-#ifdef MINGW
+#ifdef _WIN32
#include <windows.h>
#include <winioctl.h>
#define fstat64 fstat
@@ -52,7 +52,7 @@
} // destructor
// Open a disk device for reading. Returns 1 on success, 0 on failure.
-int DiskIO::OpenForRead(string filename) {
+int DiskIO::OpenForRead(const string & filename) {
int shouldOpen = 1;
if (isOpen) { // file is already open
@@ -74,7 +74,7 @@
// Open a disk for reading and writing by filename.
// Returns 1 on success, 0 on failure.
-int DiskIO::OpenForWrite(string filename) {
+int DiskIO::OpenForWrite(const string & filename) {
int retval = 0;
if ((isOpen) && (openForWrite) && ((filename == realFilename) || (filename == userFilename))) {
@@ -151,7 +151,7 @@
} // DiskIO::FindAlignment(int) */
// The same as FindAlignment(int), but opens and closes a device by filename
-int DiskIO::FindAlignment(string filename) {
+int DiskIO::FindAlignment(const string & filename) {
int fd;
int retval = 1;