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qemu-config: Make config_parse_qdict() return bool 

This simplifies error checking.

Cc: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221121085054.683122-7-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2022-11-21 09:50:50 +01:00
parent 50707b391e
commit f766e6dc6a
3 changed files with 20 additions and 25 deletions
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4
block/blkdebug.c
View File

@ -297,9 +297,7 @@ static int read_config(BDRVBlkdebugState *s, const char *filename,
}
}
qemu_config_parse_qdict(options, config_groups, &local_err);
if (local_err) {
error_propagate(errp, local_err);
if (!qemu_config_parse_qdict(options, config_groups, errp)) {
ret = -EINVAL;
goto fail;
}

2
include/qemu/config-file.h
View File

@ -22,7 +22,7 @@ int qemu_read_config_file(const char *filename, QEMUConfigCB *f, Error **errp);
/* Parse QDict options as a replacement for a config file (allowing multiple
enumerated (0..(n-1)) configuration "sections") */
void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
bool qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
Error **errp);
#endif /* QEMU_CONFIG_FILE_H */

39
util/qemu-config.c
View File

@ -423,12 +423,12 @@ int qemu_read_config_file(const char *filename, QEMUConfigCB *cb, Error **errp)
return ret;
}
static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
static bool config_parse_qdict_section(QDict *options, QemuOptsList *opts,
Error **errp)
{
QemuOpts *subopts;
QDict *subqdict;
QList *list = NULL;
g_autoptr(QDict) subqdict = NULL;
g_autoptr(QList) list = NULL;
size_t orig_size, enum_size;
char *prefix;
@ -437,23 +437,23 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
g_free(prefix);
orig_size = qdict_size(subqdict);
if (!orig_size) {
goto out;
return true;
}
subopts = qemu_opts_create(opts, NULL, 0, errp);
if (!subopts) {
goto out;
return false;
}
if (!qemu_opts_absorb_qdict(subopts, subqdict, errp)) {
goto out;
return false;
}
enum_size = qdict_size(subqdict);
if (enum_size < orig_size && enum_size) {
error_setg(errp, "Unknown option '%s' for [%s]",
qdict_first(subqdict)->key, opts->name);
goto out;
return false;
}
if (enum_size) {
@ -468,7 +468,7 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
if (qdict_size(subqdict)) {
error_setg(errp, "Unused option '%s' for [%s]",
qdict_first(subqdict)->key, opts->name);
goto out;
return false;
}
QLIST_FOREACH_ENTRY(list, list_entry) {
@ -478,46 +478,43 @@ static void config_parse_qdict_section(QDict *options, QemuOptsList *opts,
if (!section) {
error_setg(errp, "[%s] section (index %u) does not consist of "
"keys", opts->name, i);
goto out;
return false;
}
opt_name = g_strdup_printf("%s.%u", opts->name, i++);
subopts = qemu_opts_create(opts, opt_name, 1, errp);
g_free(opt_name);
if (!subopts) {
goto out;
return false;
}
if (!qemu_opts_absorb_qdict(subopts, section, errp)) {
qemu_opts_del(subopts);
goto out;
return false;
}
if (qdict_size(section)) {
error_setg(errp, "[%s] section doesn't support the option '%s'",
opts->name, qdict_first(section)->key);
qemu_opts_del(subopts);
goto out;
return false;
}
}
}
out:
qobject_unref(subqdict);
qobject_unref(list);
return true;
}
void qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
bool qemu_config_parse_qdict(QDict *options, QemuOptsList **lists,
Error **errp)
{
int i;
Error *local_err = NULL;
for (i = 0; lists[i]; i++) {
config_parse_qdict_section(options, lists[i], &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
if (!config_parse_qdict_section(options, lists[i], errp)) {
return false;
}
}
return true;
}