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<TITLE>Int 21/AX=4301h
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Int 21/AX=4301h - DOS 2+ - CHMOD - SET FILE ATTRIBUTES -
AX = 4301h
CX = new file attributes (see #01420)
DS:DX - ASCIZ filename
Return: CF clear if successful
AX destroyed
CF set on error
AX = error code (01h,02h,03h,05h) (see #01680 at AH=59h)
Notes: will not change volume label or directory attribute bits, but will
change the other attribute bits of a directory (the directory
bit must be cleared to successfully change the other attributes of a
">
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<h2>Int 21/AX=4301h
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<h3><font color=#C00040>DOS 2+ - CHMOD - SET FILE ATTRIBUTES</font></h3>
<PRE>
AX = 4301h
CX = new file attributes <a href="rb-2803.htm#Table1420" tppabs="http://www.ctyme.com/intr/rb-2803.htm#Table1420">(see #01420)</a>
DS:DX -> ASCIZ filename<br>
<p><b>Return:</b><br>CF clear if successful
AX destroyed
CF set on error
AX = error code (01h,02h,03h,05h) <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h)
</PRE>
<p><b>Notes:</b>
Will not change volume label or directory attribute bits, but will
change the other attribute bits of a directory (the directory
bit must be cleared to successfully change the other attributes of a
directory, but the directory will not be changed to a normal file as
a result).
MS-DOS 4.01 reportedly closes the file if it is currently open.
For security reasons, the Novell NetWare execute-only bit can never
be cleared; the file must be deleted and recreated.
Under the FlashTek X-32 DOS extender, the filename pointer is in DS:EDX.
DOS 5.0 SHARE will close the file if it is currently open in sharing-
compatibility mode, otherwise a sharing violation critical error is
generated if the file is currently open.
DR DOS 3.41/5.0 will silently ignore attempts to change the 'directory'
attribute bit
<p><b>See Also:</b>
<a href="rb-2802.htm" tppabs="http://www.ctyme.com/intr/rb-2802.htm">AX=4300h</a> - <a href="rb-2812.htm" tppabs="http://www.ctyme.com/intr/rb-2812.htm">AX=4311h</a> - <a href="rb-3201.htm" tppabs="http://www.ctyme.com/intr/rb-3201.htm">AX=7143h</a> - <a href="rb-4319.htm" tppabs="http://www.ctyme.com/intr/rb-4319.htm">INT 2F/AX=110E
<PRE>
<p>
Bitfields for file attributes:
<a name=table1420></a>
Bit(s) Description (Table 01420)
7 shareable (Novell NetWare)
7 pending deleted files (Novell DOS, OpenDOS)
6 unused
5 archive
4 directory
3 volume label.
Execute-only (Novell NetWare)
2 system
1 hidden
0 read-only
</PRE>
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DOS Kernel</a>
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Int 21h</a>
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