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qemu: Add opt_set_bool functionality 

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
M. Mohan Kumar 2011-10-25 12:10:39 +05:30 committed by Aneesh Kumar K.V
parent 15329e8338
commit f02b77c9bf
2 changed files with 37 additions and 5 deletions
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39
qemu-option.c
View File

@ -168,7 +168,7 @@ QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
return NULL;
}
static int parse_option_bool(const char *name, const char *value, int *ret)
static int parse_option_bool(const char *name, const char *value, bool *ret)
{
if (value != NULL) {
if (!strcmp(value, "on")) {
@ -258,7 +258,7 @@ static int parse_option_size(const char *name, const char *value, uint64_t *ret)
int set_option_parameter(QEMUOptionParameter *list, const char *name,
const char *value)
{
int flag;
bool flag;
// Find a matching parameter
list = get_option_parameter(list, name);
@ -508,7 +508,7 @@ struct QemuOpt {
const QemuOptDesc *desc;
union {
int boolean;
bool boolean;
uint64_t uint;
} value;
@ -542,7 +542,7 @@ const char *qemu_opt_get(QemuOpts *opts, const char *name)
return opt ? opt->str : NULL;
}
int qemu_opt_get_bool(QemuOpts *opts, const char *name, int defval)
bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval)
{
QemuOpt *opt = qemu_opt_find(opts, name);
@ -636,6 +636,37 @@ int qemu_opt_set(QemuOpts *opts, const char *name, const char *value)
return 0;
}
int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val)
{
QemuOpt *opt;
const QemuOptDesc *desc = opts->list->desc;
int i;
for (i = 0; desc[i].name != NULL; i++) {
if (strcmp(desc[i].name, name) == 0) {
break;
}
}
if (desc[i].name == NULL) {
if (i == 0) {
/* empty list -> allow any */;
} else {
qerror_report(QERR_INVALID_PARAMETER, name);
return -1;
}
}
opt = g_malloc0(sizeof(*opt));
opt->name = g_strdup(name);
opt->opts = opts;
QTAILQ_INSERT_TAIL(&opts->head, opt, next);
if (desc[i].name != NULL) {
opt->desc = desc+i;
}
opt->value.boolean = !!val;
return 0;
}
int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
int abort_on_failure)
{

3
qemu-option.h
View File

@ -105,10 +105,11 @@ struct QemuOptsList {
};
const char *qemu_opt_get(QemuOpts *opts, const char *name);
int qemu_opt_get_bool(QemuOpts *opts, const char *name, int defval);
bool qemu_opt_get_bool(QemuOpts *opts, const char *name, bool defval);
uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);
uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval);
int qemu_opt_set(QemuOpts *opts, const char *name, const char *value);
int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val);
typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque);
int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
int abort_on_failure);