diff options
Diffstat (limited to 'util/qemu-option.c')
| -rw-r--r-- | util/qemu-option.c | 100 |
1 files changed, 51 insertions, 49 deletions
diff --git a/util/qemu-option.c b/util/qemu-option.c index d3ab65d24f..fda4e5fcbf 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -548,27 +548,14 @@ static void opt_set(QemuOpts *opts, const char *name, const char *value, } } -int qemu_opt_set(QemuOpts *opts, const char *name, const char *value) -{ - Error *local_err = NULL; - - opt_set(opts, name, value, false, &local_err); - if (local_err) { - qerror_report_err(local_err); - error_free(local_err); - return -1; - } - - return 0; -} - -void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value, - Error **errp) +void qemu_opt_set(QemuOpts *opts, const char *name, const char *value, + Error **errp) { opt_set(opts, name, value, false, errp); } -int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) +void qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val, + Error **errp) { QemuOpt *opt; const QemuOptDesc *desc = opts->list->desc; @@ -576,9 +563,9 @@ int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) opt = g_malloc0(sizeof(*opt)); opt->desc = find_desc_by_name(desc, name); if (!opt->desc && !opts_accepts_any(opts)) { - qerror_report(QERR_INVALID_PARAMETER, name); + error_set(errp, QERR_INVALID_PARAMETER, name); g_free(opt); - return -1; + return; } opt->name = g_strdup(name); @@ -586,11 +573,10 @@ int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val) opt->value.boolean = !!val; opt->str = g_strdup(val ? "on" : "off"); QTAILQ_INSERT_TAIL(&opts->head, opt, next); - - return 0; } -int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val) +void qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val, + Error **errp) { QemuOpt *opt; const QemuOptDesc *desc = opts->list->desc; @@ -598,9 +584,9 @@ int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val) opt = g_malloc0(sizeof(*opt)); opt->desc = find_desc_by_name(desc, name); if (!opt->desc && !opts_accepts_any(opts)) { - qerror_report(QERR_INVALID_PARAMETER, name); + error_set(errp, QERR_INVALID_PARAMETER, name); g_free(opt); - return -1; + return; } opt->name = g_strdup(name); @@ -608,8 +594,6 @@ int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val) opt->value.uint = val; opt->str = g_strdup_printf("%" PRId64, val); QTAILQ_INSERT_TAIL(&opts->head, opt, next); - - return 0; } int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque, @@ -692,19 +676,18 @@ void qemu_opts_loc_restore(QemuOpts *opts) loc_restore(&opts->loc); } -int qemu_opts_set(QemuOptsList *list, const char *id, - const char *name, const char *value) +void qemu_opts_set(QemuOptsList *list, const char *id, + const char *name, const char *value, Error **errp) { QemuOpts *opts; Error *local_err = NULL; opts = qemu_opts_create(list, id, 1, &local_err); if (local_err) { - qerror_report_err(local_err); - error_free(local_err); - return -1; + error_propagate(errp, local_err); + return; } - return qemu_opt_set(opts, name, value); + qemu_opt_set(opts, name, value, errp); } const char *qemu_opts_id(QemuOpts *opts) @@ -767,8 +750,8 @@ void qemu_opts_print(QemuOpts *opts, const char *sep) } } -static int opts_do_parse(QemuOpts *opts, const char *params, - const char *firstname, bool prepend) +static void opts_do_parse(QemuOpts *opts, const char *params, + const char *firstname, bool prepend, Error **errp) { char option[128], value[1024]; const char *p,*pe,*pc; @@ -806,25 +789,30 @@ static int opts_do_parse(QemuOpts *opts, const char *params, /* store and parse */ opt_set(opts, option, value, prepend, &local_err); if (local_err) { - qerror_report_err(local_err); - error_free(local_err); - return -1; + error_propagate(errp, local_err); + return; } } if (*p != ',') { break; } } - return 0; } -int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname) +/** + * Store options parsed from @params into @opts. + * If @firstname is non-null, the first key=value in @params may omit + * key=, and is treated as if key was @firstname. + * On error, store an error object through @errp if non-null. + */ +void qemu_opts_do_parse(QemuOpts *opts, const char *params, + const char *firstname, Error **errp) { - return opts_do_parse(opts, params, firstname, false); + opts_do_parse(opts, params, firstname, false, errp); } static QemuOpts *opts_parse(QemuOptsList *list, const char *params, - int permit_abbrev, bool defaults) + int permit_abbrev, bool defaults, Error **errp) { const char *firstname; char value[1024], *id = NULL; @@ -853,14 +841,13 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, assert(!defaults || list->merge_lists); opts = qemu_opts_create(list, id, !defaults, &local_err); if (opts == NULL) { - if (local_err) { - qerror_report_err(local_err); - error_free(local_err); - } + error_propagate(errp, local_err); return NULL; } - if (opts_do_parse(opts, params, firstname, defaults) != 0) { + opts_do_parse(opts, params, firstname, defaults, &local_err); + if (local_err) { + error_propagate(errp, local_err); qemu_opts_del(opts); return NULL; } @@ -868,10 +855,25 @@ static QemuOpts *opts_parse(QemuOptsList *list, const char *params, return opts; } +/** + * Create a QemuOpts in @list and with options parsed from @params. + * If @permit_abbrev, the first key=value in @params may omit key=, + * and is treated as if key was @list->implied_opt_name. + * Report errors with qerror_report_err(). + * Return the new QemuOpts on success, null pointer on error. + */ QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, int permit_abbrev) { - return opts_parse(list, params, permit_abbrev, false); + Error *err = NULL; + QemuOpts *opts; + + opts = opts_parse(list, params, permit_abbrev, false, &err); + if (!opts) { + qerror_report_err(err); + error_free(err); + } + return opts; } void qemu_opts_set_defaults(QemuOptsList *list, const char *params, @@ -879,7 +881,7 @@ void qemu_opts_set_defaults(QemuOptsList *list, const char *params, { QemuOpts *opts; - opts = opts_parse(list, params, permit_abbrev, true); + opts = opts_parse(list, params, permit_abbrev, true, NULL); assert(opts); } @@ -924,7 +926,7 @@ static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque) return; } - qemu_opt_set_err(state->opts, key, value, state->errp); + qemu_opt_set(state->opts, key, value, state->errp); } /* |