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lgetxattr(2) man page says: > If size is specified as zero, these calls return the current size of > the named extended attribute (and leave value unchanged). This can be > used to determine the size of the buffer that should be supplied in a > subsequent call. (But, bear in mind that there is a possibility that > the attribute value may change between the two calls, so that it is > still necessary to check the return status from the second call.) The current code does not handle the case when the size changes between the two calls, and the new size is larger. Fix the above problem, and slightly simplify the code. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
pkg/ is a collection of utility packages used by the Moby project without being specific to its internals.
Utility packages are kept separate from the moby core codebase to keep it as small and concise as possible. If some utilities grow larger and their APIs stabilize, they may be moved to their own repository under the Moby organization, to facilitate re-use by other projects. However that is not the priority.
The directory pkg is named after the same directory in the camlistore project. Since Brad is a core
Go maintainer, we thought it made sense to copy his methods for organizing Go code :) Thanks Brad!
Because utility packages are small and neatly separated from the rest of the codebase, they are a good place to start for aspiring maintainers and contributors. Get in touch if you want to help maintain them!