static char *
get_spec_by_x(int n, const char *t, int *majorPtr, int *minorPtr)
{
struct uuidCache_s *uc;
uuidcache_init();
uc = uuidCache;
while (uc) {
switch (n) {
case UUID:
if (strcmp(t, uc->uc_uuid) == 0) {
*majorPtr = uc->major;
*minorPtr = uc->minor;
return uc->device;
}
break;
case VOL:
if (strcmp(t, uc->label) == 0) {
*majorPtr = uc->major;
*minorPtr = uc->minor;
return uc->device;
}
break;
}
uc = uc->next;
}
return NULL;
}
static char *
get_spec_by_x(int n, const char *t) {
struct uuidCache_s *uc;
uuidcache_init();
uc = uuidCache;
if (t == NULL)
return NULL;
while(uc) {
switch (n) {
case UUID:
if (!memcmp(t, uc->uuid, sizeof(uc->uuid)))
return string_copy(uc->device);
break;
case VOL:
if (!strcmp(t, uc->label))
return string_copy(uc->device);
break;
}
uc = uc->next;
}
return NULL;
}
const char *
get_volume_label_by_spec(const char *spec) {
struct uuidCache_s *uc;
uuidcache_init();
uc = uuidCache;
while(uc) {
if (!strcmp(spec, uc->device))
return uc->label;
uc = uc->next;
}
return NULL;
}
char *get_devname_from_uuid(const char *spec)
{
struct uuidCache_s *uc;
uuidcache_init();
uc = uuidCache;
while (uc) {
/* case of hex numbers doesn't matter */
if (strcasecmp(spec, uc->uc_uuid) == 0) {
return xstrdup(uc->device);
}
uc = uc->next;
}
return NULL;
}
static int display_uuid_cache(void)
{
struct uuidCache_s *u;
size_t i;
uuidcache_init();
u = uuidCache;
while (u) {
printf("%s %s %s\n", u->device, u->label, u->uc_uuid);
u = u->next;
}
return 0;
}
char *get_devname_from_label(const char *spec)
{
struct uuidCache_s *uc;
int spec_len = strlen(spec);
uuidcache_init();
uc = uuidCache;
while (uc) {
// FIXME: empty label ("LABEL=") matches anything??!
if (uc->label[0] && strncmp(spec, uc->label, spec_len) == 0) {
return xstrdup(uc->device);
}
uc = uc->next;
}
return NULL;
}
/*
* second_occurrence_of_vol_label()
* As labels are user defined they are not necessarily
* system-wide unique. Make sure that they are.
*/
const char *
second_occurrence_of_vol_label (const char *label) {
struct uuidCache_s *last;
int occurrences = 0;
uuidcache_init();
for (last = uuidCache; last; last = last->next) {
if (last->label && !strcmp(last->label, label)) {
occurrences++;
if (occurrences == 2)
return last->device;
}
}
return NULL;
}
main(int argc, char **argv)
{
uuidcache_init();
}
