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keyval: introduce keyval_parse_into

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Allow parsing multiple keyval sequences into the same dictionary.
This will be used to simplify the parsing of the -M command line
option, which is currently a .merge_lists = true QemuOpts group.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-11-02 07:36:48 -05:00
parent 9176e800db
commit c445909e1f
2 changed files with 37 additions and 8 deletions
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2
include/qemu/option.h
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@ -147,6 +147,8 @@ void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
void qemu_opts_free(QemuOptsList *list);
QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
bool *p_help, Error **errp);
QDict *keyval_parse(const char *params, const char *implied_key,
bool *help, Error **errp);
void keyval_merge(QDict *old, const QDict *new, Error **errp);