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qemu-option: Factor out helper find_default_by_name()

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200707160613.848843-10-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2020-07-07 18:05:37 +02:00
parent 9da7197a80
commit f23db652cb
1 changed files with 27 additions and 20 deletions
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47
util/qemu-option.c
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@ -142,6 +142,13 @@ static const QemuOptDesc *find_desc_by_name(const QemuOptDesc *desc,
return NULL;
}
static const char *find_default_by_name(QemuOpts *opts, const char *name)
{
const QemuOptDesc *desc = find_desc_by_name(opts->list->desc, name);
return desc ? desc->def_value_str : NULL;
}
void parse_option_size(const char *name, const char *value,
uint64_t *ret, Error **errp)
{
@ -270,7 +277,7 @@ static void qemu_opt_del_all(QemuOpts *opts, const char *name)
const char *qemu_opt_get(QemuOpts *opts, const char *name)
{
QemuOpt *opt;
const QemuOptDesc *desc;
const char *def_val;
if (opts == NULL) {
return NULL;
@ -278,9 +285,9 @@ const char *qemu_opt_get(QemuOpts *opts, const char *name)
opt = qemu_opt_find(opts, name);
if (!opt) {
desc = find_desc_by_name(opts->list->desc, name);
if (desc && desc->def_value_str) {
return desc->def_value_str;
def_val = find_default_by_name(opts, name);
if (def_val) {
return def_val;
}
}
return opt ? opt->str : NULL;
@ -312,7 +319,7 @@ const char *qemu_opt_iter_next(QemuOptsIter *iter)
char *qemu_opt_get_del(QemuOpts *opts, const char *name)
{
QemuOpt *opt;
const QemuOptDesc *desc;
const char *def_val;
char *str = NULL;
if (opts == NULL) {
@ -321,9 +328,9 @@ char *qemu_opt_get_del(QemuOpts *opts, const char *name)
opt = qemu_opt_find(opts, name);
if (!opt) {
desc = find_desc_by_name(opts->list->desc, name);
if (desc && desc->def_value_str) {
str = g_strdup(desc->def_value_str);
def_val = find_default_by_name(opts, name);
if (def_val) {
str = g_strdup(def_val);
}
return str;
}
@ -349,7 +356,7 @@ static bool qemu_opt_get_bool_helper(QemuOpts *opts, const char *name,
bool defval, bool del)
{
QemuOpt *opt;
const QemuOptDesc *desc;
const char *def_val;
bool ret = defval;
if (opts == NULL) {
@ -358,9 +365,9 @@ static bool qemu_opt_get_bool_helper(QemuOpts *opts, const char *name,
opt = qemu_opt_find(opts, name);
if (opt == NULL) {
desc = find_desc_by_name(opts->list->desc, name);
if (desc && desc->def_value_str) {
parse_option_bool(name, desc->def_value_str, &ret, &error_abort);
def_val = find_default_by_name(opts, name);
if (def_val) {
parse_option_bool(name, def_val, &ret, &error_abort);
}
return ret;
}
@ -386,7 +393,7 @@ static uint64_t qemu_opt_get_number_helper(QemuOpts *opts, const char *name,
uint64_t defval, bool del)
{
QemuOpt *opt;
const QemuOptDesc *desc;
const char *def_val;
uint64_t ret = defval;
if (opts == NULL) {
@ -395,9 +402,9 @@ static uint64_t qemu_opt_get_number_helper(QemuOpts *opts, const char *name,
opt = qemu_opt_find(opts, name);
if (opt == NULL) {
desc = find_desc_by_name(opts->list->desc, name);
if (desc && desc->def_value_str) {
parse_option_number(name, desc->def_value_str, &ret, &error_abort);
def_val = find_default_by_name(opts, name);
if (def_val) {
parse_option_number(name, def_val, &ret, &error_abort);
}
return ret;
}
@ -424,7 +431,7 @@ static uint64_t qemu_opt_get_size_helper(QemuOpts *opts, const char *name,
uint64_t defval, bool del)
{
QemuOpt *opt;
const QemuOptDesc *desc;
const char *def_val;
uint64_t ret = defval;
if (opts == NULL) {
@ -433,9 +440,9 @@ static uint64_t qemu_opt_get_size_helper(QemuOpts *opts, const char *name,
opt = qemu_opt_find(opts, name);
if (opt == NULL) {
desc = find_desc_by_name(opts->list->desc, name);
if (desc && desc->def_value_str) {
parse_option_size(name, desc->def_value_str, &ret, &error_abort);
def_val = find_default_by_name(opts, name);
if (def_val) {
parse_option_size(name, def_val, &ret, &error_abort);
}
return ret;
}