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virsh: fix snapshot list --parent
The root snapshot does not have a parent. Use NULLSTR_EMPTY to pass an empty string instead of putting too few columns in the table. https://bugzilla.redhat.com/show_bug.cgi?id=1662849 Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
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@ -1608,7 +1608,8 @@ cmdSnapshotList(vshControl *ctl, const vshCmd *cmd)
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&time_info);
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&time_info);
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if (parent) {
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if (parent) {
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if (vshTableRowAppend(table, snap_name, timestr, state, parent_snap,
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if (vshTableRowAppend(table, snap_name, timestr, state,
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NULLSTR_EMPTY(parent_snap),
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NULL) < 0)
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NULL) < 0)
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goto cleanup;
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goto cleanup;
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} else {
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} else {
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