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The msghdr structure is used as a parameter to the Linux kernel functions kernel_sendmsg() and kernel_recvmsg(). Some required fields need to be set prior to calling these functions, but there are also additional structure members that may not be used by the calling code. Some of these fields may be initialized by the Linux kernel functions being used, but there may be some that are left uninitialized. To ensure that all fields in the msghdr structure are cleared, use memset to zero the entire structure. This will eliminate the need to set individual fields to 0 or NULL. Reviewed-on: https://gerrit.openafs.org/15409 Tested-by: BuildBot <buildbot@rampaginggeek.com> Reviewed-by: Benjamin Kaduk <kaduk@mit.edu> (cherry picked from commit 795ef90d4041f1a5a1139435cc70f96457e0f64b) Change-Id: Id037e2e548c27b23e2746f804ddcaf7b79d905c4 Reviewed-on: https://gerrit.openafs.org/15411 Tested-by: BuildBot <buildbot@rampaginggeek.com> Reviewed-by: Michael Meffie <mmeffie@sinenomine.net> Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
AFS is a distributed file system that enables users to share and access all of the files stored in a network of computers as easily as they access the files stored on their local machines. The file system is called distributed for this exact reason: files can reside on many different machines, but are available to users on every machine. OpenAFS 1.0 was originally released by IBM under the terms of the IBM Public License 1.0 (IPL10). For details on IPL10 see the LICENSE file in this directory. The current OpenAFS distribution is licensed under a combination of the IPL10 and many other licenses as granted by the relevant copyright holders. The LICENSE file in this directory contains more details, thought it is not a comprehensive statement. See INSTALL for information about building and installing OpenAFS on various platforms. See CODING for developer information and guidelines. See NEWS for recent changes to OpenAFS.