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The previously library-side ‘file_architecture’ API is reimplemented in the daemon, in OCaml. There are some significant differences compared to the C implementation: - The C code used libmagic. That is replaced by calling the ‘file’ command (because that is simpler than using the library). - The C code had extra cases to deal with compressed files. This is not necessary since the ‘file’ command supports the ‘-z’ option which transparently looks inside compressed content (this is a consequence of the change above). This commit demonstrates a number of techniques which will be useful for moving inspection code to the daemon: - Moving an API from the C library to the OCaml daemon. - Calling from one OCaml API inside the daemon to another (from ‘Filearch.file_architecture’ to ‘File.file’). This can be done and is done with C daemon APIs but correct reply_with_error handling is more difficult in C. - Use of Str for regular expression matching within the appliance.
This directory contains miscellaneous manual pages which don't fit elsewhere. Most libguestfs documentation is in manual pages. The source for those manual pages are POD files (*.pod), and they are normally located next to the source files they relate to (eg. guestfish documentation is in fish/guestfish.pod). All manual pages are available online at http://libguestfs.org/ The main API documentation is: http://libguestfs.org/guestfs.3.html