static int
string_cmp(void *a, void *b)
{
if (*(char *)a == '\0') {
char **strp = _heim_get_isaextra(a, 1);
if (*strp != NULL)
a = *strp; /* a is a string ref */
}
if (*(char *)b == '\0') {
char **strp = _heim_get_isaextra(b, 1);
if (*strp != NULL)
b = *strp; /* b is a string ref */
}
return strcmp(a, b);
}
static void
string_dealloc(void *ptr)
{
heim_string_t s = ptr;
heim_string_free_f_t *deallocp;
heim_string_free_f_t dealloc;
if (*(const char *)ptr != '\0')
return;
/* Possible string ref */
deallocp = _heim_get_isaextra(s, 0);
dealloc = *deallocp;
if (dealloc != NULL) {
char **strp = _heim_get_isaextra(s, 1);
dealloc(*strp);
}
}
heim_string_t
heim_string_ref_create(const char *string, heim_string_free_f_t dealloc)
{
heim_string_t s;
heim_string_free_f_t *deallocp;
s = _heim_alloc_object(&_heim_string_object, 1);
if (s) {
const char **strp;
((char *)s)[0] = '\0';
deallocp = _heim_get_isaextra(s, 0);
*deallocp = dealloc;
strp = _heim_get_isaextra(s, 1);
*strp = string;
}
return s;
}
const char *
heim_string_get_utf8(heim_string_t string)
{
if (*(const char *)string == '\0') {
const char **strp;
/* String ref */
strp = _heim_get_isaextra(string, 1);
if (*strp != NULL)
return *strp;
}
return (const char *)string;
}
heim_data_t
heim_data_ref_create(const void *data, size_t length,
heim_data_free_f_t dealloc)
{
heim_octet_string *os;
heim_data_free_f_t *deallocp;
os = _heim_alloc_object(&_heim_data_object, sizeof(*os) + length);
if (os) {
os->data = (void *)data;
os->length = length;
deallocp = _heim_get_isaextra(os, 0);
*deallocp = dealloc;
}
return (heim_data_t)os;
}
static void
data_dealloc(void *ptr)
{
heim_data_t d = ptr;
heim_octet_string *os = (heim_octet_string *)d;
heim_data_free_f_t *deallocp;
heim_data_free_f_t dealloc;
if (os->data == NULL)
return;
/* Possible string ref */
deallocp = _heim_get_isaextra(os, 0);
dealloc = *deallocp;
if (dealloc != NULL)
dealloc(os->data);
}