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#include "lichen.h"
#include <stdio.h>
#include <string.h>
void li_xorshift32_seed(struct li_xorshift32_t *xor, uint32_t seed) {
xor->state = seed ? seed : 1;
xor->generator.rand = li_xorshift32;
xor->generator.state = &(xor->state);
}
uint32_t li_xorshift32(void *s) {
uint64_t x = *((uint64_t*)s);
x ^= x >> 12;
x ^= x << 25;
x ^= x >> 27;
x *= 0x2545F4914F6CDD1DULL;
*((uint64_t*)s) = x;
// return just top 32 bits
return x >> 32;
}
li_llnode_t * li_alloc_llnode() {
li_llnode_t *n = malloc(sizeof(li_llnode_t));
if (n == NULL) {
fprintf(stderr, "failed to allocate linked-list node\n");
return NULL;
} else {
n->tag = 0;
n->data = 0;
n->next = NULL;
return n;
}
}
li_llnode_t * li_copy_llnode(li_llnode_t *n) {
li_llnode_t *m = li_alloc_llnode();
if (m == NULL) {
return NULL;
}
memcpy(m, n, sizeof(li_llnode_t));
return m;
}
void li_free_llnode(li_llnode_t *n, void (*free_data)(void*)) {
if (n != NULL) {
free_data(n->data);
li_free_llnode(n->next, free_data);
}
free(n);
}
struct li_ll_t * li_alloc_ll() {
struct li_ll_t *list = malloc(sizeof(struct li_ll_t));
if (list == NULL) {
fprintf(stderr, "failed to allocate linked list\n");
return NULL;
}
list->tag = 0;
list->count = 0;
list->head = NULL;
list->end = NULL;
return list;
}
void li_free_ll(struct li_ll_t *list, void (*free_data)(void*)) {
if (list != NULL) {
li_free_llnode(list->head, free_data);
}
free(list);
}
void li_ll_append(struct li_ll_t *list, void *data) {
li_llnode_t *n = li_alloc_llnode();
n->data = data;
if (n == NULL) {
return;
}
if (list->end != NULL) {
list->end->next = n;
list->end = n;
} else {
list->head = n;
list->end = n;
}
list->count += 1;
}
struct li_ll_t * li_copy_list(struct li_ll_t *list) {
list = list;
return NULL;
}
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