qemu-option: parse_option_bool(): use error_set()

Note that set_option_parameter() callers still expect automatic error
reporting with QError, so set_option_parameter() calls
qerror_report_err() to keep the same semantics.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Luiz Capitulino 2012-03-21 14:54:42 -03:00
parent 2f39df5b0d
commit cf62adfabf

View File

@ -169,7 +169,8 @@ QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
return NULL;
}
static int parse_option_bool(const char *name, const char *value, bool *ret)
static void parse_option_bool(const char *name, const char *value, bool *ret,
Error **errp)
{
if (value != NULL) {
if (!strcmp(value, "on")) {
@ -177,13 +178,11 @@ static int parse_option_bool(const char *name, const char *value, bool *ret)
} else if (!strcmp(value, "off")) {
*ret = 0;
} else {
qerror_report(QERR_INVALID_PARAMETER_VALUE, name, "'on' or 'off'");
return -1;
error_set(errp,QERR_INVALID_PARAMETER_VALUE, name, "'on' or 'off'");
}
} else {
*ret = 1;
}
return 0;
}
static void parse_option_number(const char *name, const char *value,
@ -263,6 +262,7 @@ int set_option_parameter(QEMUOptionParameter *list, const char *name,
const char *value)
{
bool flag;
Error *local_err = NULL;
// Find a matching parameter
list = get_option_parameter(list, name);
@ -274,9 +274,10 @@ int set_option_parameter(QEMUOptionParameter *list, const char *name,
// Process parameter
switch (list->type) {
case OPT_FLAG:
if (parse_option_bool(name, value, &flag) == -1)
return -1;
list->value.n = flag;
parse_option_bool(name, value, &flag, &local_err);
if (!error_is_set(&local_err)) {
list->value.n = flag;
}
break;
case OPT_STRING:
@ -298,6 +299,12 @@ int set_option_parameter(QEMUOptionParameter *list, const char *name,
return -1;
}
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
return -1;
}
return 0;
}
@ -588,7 +595,8 @@ static int qemu_opt_parse(QemuOpt *opt)
/* nothing */
return 0;
case QEMU_OPT_BOOL:
return parse_option_bool(opt->name, opt->str, &opt->value.boolean);
parse_option_bool(opt->name, opt->str, &opt->value.boolean, &local_err);
break;
case QEMU_OPT_NUMBER:
parse_option_number(opt->name, opt->str, &opt->value.uint,
&local_err);