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In a following commit, g->hv may now be NULL if the user does not explicitly either call guestfs_set_hv or set LIBGUESTFS_HV. There were multiple places in the code that assumed g->hv was not NULL, so they were all revised so that now g->hv is only not NULL if set by the user and (in the normal case) is NULL meaning "use the default hypervisor". For the direct backend we call get_default_hv_direct early on and set data->qemu in the handle. We need to modify the KVM test so that the current qemu binary is passed along. We also have to change execve to execvpe since the path to qemu is not absolute.
Libguestfs is tools and a library for accessing and modifying guest disk images. For more information see the home page: http://libguestfs.org/ For discussion, development, patches, etc. please use the mailing list: https://lists.libguestfs.org To find out how to build libguestfs from source, read: docs/guestfs-building.pod http://libguestfs.org/guestfs-building.1.html man docs/guestfs-building.1 Copyright (C) 2009-2025 Red Hat Inc. The library is distributed under the LGPLv2+. The programs are distributed under the GPLv2+. Please see the files COPYING and COPYING.LIB for full license information. The examples are under a very liberal license.