NLM and NetWare Libraries for C (including CLib and XPlat) include the core libraries for creating NLMs and client applications on legacy NetWare and client platforms. For NLMs that need to run on NetWare 5.1 or later, LibC is the preferred library.
This release contains the libraries that shipped with NetWare 6.5 SP4, NetWare 6.0 SP6, and Novell Open Enterprise Server SP1. It contains minor technical corrections to the libraries. It also includes minor technical corrections in a few manuals and formatting changes in all manuals.
To ask questions, to find answers, or to report problems, visit the following Developer Support Forums: NLM and NetWare Libraries for C (including CLib and XPlat).
Starting with the March 2005 NDK, the default install directory for this SDK has changed from Novell\ndk\nwsdk to Novell\ndk\clib. If you have installed a previous version in the default location, please remove it before installing this version.
In past releases, the lib/nlm directory has contained two subdirectories: one for the NetWare 4.x libraries and one for the NetWare 5.x and NetWare 6.x libraries. The NetWare 4.x libraries and its directories have been removed. The NetWare 4.x libraries can be downloaded from Forge.
Because the libraries are single sourced for NetWare 5.x and 6.x, the lib/nlm directory now contains a single set of libraries that runs on both NetWare 5.x and NetWare 6.x with a debug subdirectory for the debug versions.
The July 2003 release contains a new CLib pre file that fixes a problem with the destruction of globals.
The CLib pre file replaces the two existing CLib prelude files (nwpre.obj and prelude.obj). The new file, clibpre.obj, contains new C++ hooks for use by CodeWarrior, Watcom and GNU, and a higher NLM architecture version number. However, an NLM linked with this file, but without a vendor-specific runtime library, may not load on versions of NetWare prior to v5.1 SP4 (including NetWare 4 and NetWare 3).
If this is a problem, either link with nwpre.obj instead or add the following function stubs to your code (and link them):
int __init_environment( void *reserved )
{
return 0;
}
int __deinit_environment( void *reserved )
{
return 0;
}
Basically, clibpre.obj is nwpre.obj with a call to these functions that vendor runtime libraries implement to perform their C++ initialization and clean-up.
To see what was changed in the software, sample code, and documentation for previous releases, see the Update Archive.
To see the specific documentation changes that were made, see the Revision History at the end of each manual.
NOTE: For a more complete description of multi-processing, see "Multiprocessor Enabled/ Safe" at the following URL.
In general, LibC is multiprocessor (MP) enabled and CLib is MP safe.
If you call LibC functions, you will always be able to migrate to other processors and take advantage of multiprocessor functionality (unless you call file I/O functions on a traditional, non NSS file system).
If you call CLib functions, you will often be funneled to processor zero. File I/O functions always funnel to processor zero.
In addition, the following CLib scheduling primitives will always funnel you to processor zero:
If you use the Requester and send a packet, you will always be funneled to processor zero as well.
The NDK version of CLib and Cross-Platform libraries are for NetWare 5.1 and above. They should not be installed on NetWare 4.x or below. The following instructions explain how to update the CLib libraries and the Cross-Platform libraries on a NetWare test server.
Support packs for NetWare 5.1 and above install newer versions of CLib. However, the NDK often has a newer version than the current support pack. If you need to test with this newest version, complete the following steps to install the CLib files on a test server.
WARNING: NDK versions of CLib should never be used in a production environment. You should always use a support pack to install newer versions of CLib into a production environment.
The following instructions assume that you installed CLib in the c:\Novell\ndk\nwsdk directory and that you installed server.exe into the c:\nwserver directory on your NetWare server.
To install the CLib files for NLMs:
Back up the following files in the c:\nwserver directory:
Copy from the following files from the c:\novell\ndk\nwsdk\lib\nlm directory on your workstation to the c:\nwserver directory on your server:
(Optional) Copy the message files from the c:\novell\ndk\nwsdk\lib\nlm\msg directory on your workstation to the c:\nwserver\nls\4 directory on your server.
This is optional, because if you compare file dates, you'll discover these files are seldom updated.
Reboot your server.
Support packs for NetWare 5.1 and above install newer versions of the Cross-Platform libraries. However, the NDK often has a newer version than the current support pack. If you need to test with this newest version, complete the following steps to install the new library files on a test server.
The following instructions assume that you installed server.exe into the c:\nwserver directory on your NetWare server.
To install the files for the Cross-Platform libraries:
Backup the following files in the c:\nwserver directory:
Copy from the following files from the c:\novell\ndk\nwsdk\lib\nlm directory on your workstation to the c:\nwserver directory on your server:
WARNING: Do not install a version of unicode.nlm dated later than 6/3/2004 on a NetWare 5.1 server.
Backup the following files in the sys:\system directory of your NetWare server.
Copy from the following files from the c:\novell\ndk\nwsdk\lib\nlm directory on your workstation to the sys:\system directory of your NetWare server.
Reboot your server.
The download contains PDF files in the [install directory]\doc\clib directory.
If you selected an exe install, NDK documentation entries are enabled from Start menu. After you have installed the component, use the "NDK Documents" entry on your Start menu to quickly locate and access NDK documentation.
To read or print the documentation, you need Adobe Acrobat Reader 4.0, a free download available from Adobe.
The documents in this download were created as standalone files; therefore, links between files in this download and links to files in other downloads will not resolve.
For sample code, see NDK Sample Code.
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