/*
* Construct the pathname of the state file and return a pointer to
* caller. Read the config file to get the mount point of the
* filesystem and the pathname within fs.
*/
char *
cpr_build_statefile_path(void)
{
struct cprconfig *cf = &cprconfig;
if (cpr_get_config())
return (NULL);
switch (cf->cf_type) {
case CFT_UFS:
if (strlen(cf->cf_path) + strlen(cf->cf_fs) >= MAXNAMELEN - 1) {
cpr_err(CE_CONT, "Statefile path is too long.\n");
return (NULL);
}
return (cpr_cprconfig_to_path());
case CFT_ZVOL:
/*FALLTHROUGH*/
case CFT_SPEC:
return (cf->cf_devfs);
default:
cpr_err(CE_PANIC, "invalid statefile type");
/*NOTREACHED*/
return (NULL);
}
}
int
cpr_statefile_is_spec(void)
{
if (cpr_get_config())
return (0);
return (cprconfig.cf_type == CFT_SPEC);
}
/*
* Make sure that the statefile can be used as a block special statefile
* (meaning that is exists and has nothing mounted on it)
* Returns errno if not a valid statefile.
*/
int
cpr_check_spec_statefile(void)
{
int err;
if (err = cpr_get_config())
return (err);
ASSERT(cprconfig.cf_type == CFT_SPEC);
if (cprconfig.cf_devfs == NULL)
return (ENXIO);
return (cpr_verify_statefile_path());
}
