Archipelago » qemu

static QemuOptsList *lists[] = {

    &qemu_drive_opts,

    NULL,

};

int qemu_set_option(const char *str)

{

    char group[64], id[64], arg[64];

    QemuOpts *opts;

    int i, rc, offset;

    rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);

    if (rc < 3 || str[offset] != '=') {

        fprintf(stderr, "can't parse: \"%s\"\n", str);

        return -1;

    }

    for (i = 0; lists[i] != NULL; i++) {

        if (strcmp(lists[i]->name, group) == 0)

            break;

    }

    if (lists[i] == NULL) {

        fprintf(stderr, "there is no option group \"%s\"\n", group);

        return -1;

    }

    opts = qemu_opts_find(lists[i], id);

    if (!opts) {

        fprintf(stderr, "there is no %s \"%s\" defined\n",

                lists[i]->name, id);

        return -1;

    }

    if (-1 == qemu_opt_set(opts, arg, str+offset+1)) {

        fprintf(stderr, "failed to set \"%s\" for %s \"%s\"\n",

                arg, lists[i]->name, id);

        return -1;

    }

    return 0;

}