_STACK *sk_deep_copy(const _STACK *sk, void *(*copy_func)(void *),
void (*free_func)(void *)) {
_STACK *ret = sk_dup(sk);
if (ret == NULL) {
return NULL;
}
for (size_t i = 0; i < ret->num; i++) {
if (ret->data[i] == NULL) {
continue;
}
ret->data[i] = copy_func(ret->data[i]);
if (ret->data[i] == NULL) {
for (size_t j = 0; j < i; j++) {
if (ret->data[j] != NULL) {
free_func(ret->data[j]);
}
}
sk_free(ret);
return NULL;
}
}
return ret;
}
/*
* Post 1.0.1 sk function "deep_copy". For the moment we simply make
* these take void * and use them directly without a glorious blob of
* obfuscating macros of dubious value in front of them. All this in
* preparation for a rototilling of safestack.h (likely inspired by
* this).
*/
static void *
sk_deep_copy(void *sk_void, void *copy_func_void, void *free_func_void)
{
_STACK *sk = sk_void;
void *(*copy_func)(void *) = copy_func_void;
void (*free_func)(void *) = free_func_void;
_STACK *ret = sk_dup(sk);
size_t i;
if (ret == NULL)
return NULL;
for (i = 0; i < ret->num; i++) {
if (ret->data[i] == NULL)
continue;
ret->data[i] = copy_func(ret->data[i]);
if (ret->data[i] == NULL) {
size_t j;
for (j = 0; j < i; j++) {
if (ret->data[j] != NULL)
free_func(ret->data[j]);
}
sk_free(ret);
return NULL;
}
}
return ret;
}