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qemu-option: introduce qemu_find_opts_singleton

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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Paolo Bonzini 2014-03-06 10:39:24 +01:00 • committed by Michael Tokarev
parent eb6282f230
commit e96e5ae880
3 changed files with 17 additions and 10 deletions
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14
util/qemu-config.c
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@ -39,6 +39,20 @@ QemuOptsList *qemu_find_opts(const char *group)
return ret;
}
QemuOpts *qemu_find_opts_singleton(const char *group)
{
QemuOptsList *list;
QemuOpts *opts;
list = qemu_find_opts(group);
assert(list);
opts = qemu_opts_find(list, NULL);
if (!opts) {
opts = qemu_opts_create(list, NULL, 0, &error_abort);
}
return opts;
}
static CommandLineParameterInfoList *query_option_descs(const QemuOptDesc *desc)
{
CommandLineParameterInfoList *param_list = NULL, *entry;