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qom: Add user_creatable_add_from_str()

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This is a version of user_creatable_process_cmdline() with an Error
parameter that never calls exit() and is therefore usable in HMP.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2021-02-17 14:59:06 +01:00
parent fa40e43ca0
commit ffd58ef88c
2 changed files with 40 additions and 5 deletions
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16
include/qom/object_interfaces.h
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@ -144,6 +144,22 @@ typedef bool (*user_creatable_add_opts_predicate)(const char *type);
int user_creatable_add_opts_foreach(void *opaque,
QemuOpts *opts, Error **errp);
/**
* user_creatable_add_from_str:
* @optarg: the object definition string as passed on the command line
* @errp: if an error occurs, a pointer to an area to store the error
*
* Create an instance of the user creatable object by parsing optarg
* with a keyval parser and implicit key 'qom-type', converting the
* result to ObjectOptions and calling into qmp_object_add().
*
* If a help option is given, print help instead.
*
* Returns: true when an object was successfully created, false when an error
* occurred (*errp is set then) or help was printed (*errp is not set).
*/
bool user_creatable_add_from_str(const char *optarg, Error **errp);
/**
* user_creatable_process_cmdline:
* @optarg: the object definition string as passed on the command line