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- /***
- *umask.c - set file permission mask
- *
- * Copyright (c) 1989-1997, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * defines _umask() - sets file permission mask of current process*
- * affecting files created by creat, open, or sopen.
- *
- *******************************************************************************/
-
- #include <cruntime.h>
- #include <internal.h>
- #include <io.h>
-
- /***
- *int _umask(mode) - set the file mode mask
- *
- *Purpose:
- * Sets the file-permission mask of the current process* which
- * modifies the permission setting of new files created by creat,
- * open, or sopen.
- *
- *Entry:
- * int mode - new file permission mask
- * may contain S_IWRITE, S_IREAD, S_IWRITE | S_IREAD.
- * The S_IREAD bit has no effect under Win32
- *
- *Exit:
- * returns the previous setting of the file permission mask.
- *
- *Exceptions:
- *
- *******************************************************************************/
-
- int __cdecl _umask (
- int mode
- )
- {
- register int oldmode; /* old umask value */
-
- mode &= 0x180; /* only user read/write permitted */
- oldmode = _umaskval; /* remember old value */
- _umaskval = mode; /* set new value */
- return oldmode; /* return old value */
- }
-