Adds more error conversion from Windows to errno.

Also prints the error if the conversion is no supported.

HISTORY

@@ -2,7 +2,7 @@ SnapRAID HISTORY
 ================
 
 1.9 2012/3
-===========
+==========
  * Implemented a more sophisticated recovering in case a harddisk failure
    happens during a 'sync' command.
    When using RAID6 it improves the chances of recovering data after an
@@ -13,7 +13,7 @@ SnapRAID HISTORY
  * In Windows ensures that the disk serial number is not zero.
 
 1.8 2012/1
-===========
+==========
  * Added a new "dup" command to find all the duplicate files.
  * Added a new option "--filter-nohidden" to exclude hidden files.
  * Faster and parallel writing of content files.

mingw.c

@@ -208,7 +208,14 @@ static void windows_errno(DWORD error)
 	case ERROR_ACCESS_DENIED :
 		errno = EACCES;
 		break;
+	case ERROR_BUFFER_OVERFLOW :
+		errno = ENAMETOOLONG;
+		break;
+	case ERROR_NOT_ENOUGH_MEMORY :
+		errno = ENOMEM;
+		break;
 	default:
+		fprintf(stderr, "Unexpected Windows error %d.\n", error);
 		errno = EIO;
 		break;
 	}