char *
_textdomain_u(const char *domain, char *result)
{
char *p;
size_t domain_len;
Gettext_t *gt = global_gt;
#ifdef GETTEXT_DEBUG
gprintf(0, "*************** _textdomain_u(\"%s\", 0x%p)\n",
(domain ? domain : ""), (void *)result);
#endif
/* Query is performed for NULL domain pointer */
if (domain == NULL) {
(void) strcpy(result, CURRENT_DOMAIN(gt));
return (result);
}
/* check for error. */
/*
* domain is limited to TEXTDOMAINMAX bytes
* excluding a null termination.
*/
domain_len = strlen(domain);
if (domain_len > TEXTDOMAINMAX) {
/* too long */
return (NULL);
}
/*
* Calling textdomain() with a null domain string sets
* the domain to the default domain.
* If non-null string is passwd, current domain is changed
* to the new domain.
*/
/* actually this if clause should be protected from signals */
if (*domain == '\0') {
if (CURRENT_DOMAIN(gt) != default_domain) {
free(CURRENT_DOMAIN(gt));
CURRENT_DOMAIN(gt) = (char *)default_domain;
}
} else {
p = malloc(domain_len + 1);
if (p == NULL)
return (NULL);
(void) strcpy(p, domain);
if (CURRENT_DOMAIN(gt) != default_domain)
free(CURRENT_DOMAIN(gt));
CURRENT_DOMAIN(gt) = p;
}
(void) strcpy(result, CURRENT_DOMAIN(gt));
return (result);
} /* _textdomain_u */
/*
* textdomain() sets or queries the name of the current domain of
* the active LC_MESSAGES locale category.
*/
char *
textdomain(const char *domain)
{
char *res;
char tmp_domain[TEXTDOMAINMAX + 1];
callout_lock_enter();
INIT_GT(NULL);
res = _textdomain_u(domain, tmp_domain);
if (res == NULL) {
callout_lock_exit();
return (NULL);
}
callout_lock_exit();
return (CURRENT_DOMAIN(global_gt));
}
