/*
* Look for possible flags for a newly added variable
* This is called specifically when the variable did not exist in the hash
* previously, so the blanket update did not find this variable.
*/
void env_flags_init(ENTRY *var_entry)
{
const char *var_name = var_entry->key;
const char *flags_list = getenv(ENV_FLAGS_VAR);
char flags[ENV_FLAGS_ATTR_MAX_LEN + 1] = "";
int ret = 1;
/* look in the ".flags" and static for a reference to this variable */
ret = env_flags_lookup(flags_list, var_name, flags);
/* if any flags were found, set the binary form to the entry */
if (!ret && strlen(flags))
var_entry->flags = env_parse_flags_to_bin(flags);
}
/*
* Call for each element in the list that defines flags for a variable
*/
static int set_flags(const char *name, const char *value, void *priv)
{
ENTRY e, *ep;
e.key = name;
e.data = NULL;
hsearch_r(e, FIND, &ep, &env_htab, 0);
/* does the env variable actually exist? */
if (ep != NULL) {
/* the flag list is empty, so clear the flags */
if (value == NULL || strlen(value) == 0)
ep->flags = 0;
else
/* assign the requested flags */
ep->flags = env_parse_flags_to_bin(value);
}
return 0;
}
