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arena allocators are fully implemented

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This commit is contained in:
Ivar Fatland
2025-12-06 14:19:53 +01:00
parent b912759050
commit d6ad1c7602
5 changed files with 92 additions and 10 deletions
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borrow_allocator.c
+5 -5
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@@ -4,7 +4,7 @@
#include <assert.h>
#include <stdbool.h>
void *borrow_allocator_alloc_func(borrow_allocator_t *this, size_t bytes) {
static void *borrow_allocator_alloc_func(borrow_allocator_t *this, size_t bytes) {
linked_allocation_node_t *node = malloc(sizeof(*this->head) + bytes);
if (node == NULL) { return NULL; }
node->prev = NULL;
@@ -17,7 +17,7 @@ void *borrow_allocator_alloc_func(borrow_allocator_t *this, size_t bytes) {
return &node->data;
}
void *borrow_allocator_resize_func(borrow_allocator_t *this, void *old_ptr, size_t bytes) {
static void *borrow_allocator_resize_func(borrow_allocator_t *this, void *old_ptr, size_t bytes) {
linked_allocation_node_t *old_node = PTR_FROM_FIELD_PTR(linked_allocation_node_t, data, old_ptr);
linked_allocation_node_t *new_node = realloc(old_node, sizeof(*old_node) + bytes);
if (new_node == NULL) { return NULL; }
@@ -31,7 +31,7 @@ void *borrow_allocator_resize_func(borrow_allocator_t *this, void *old_ptr, size
}
// TODO: remove
void borrow_allocator_free(borrow_allocator_t *this, void *old_ptr) {
static void borrow_allocator_free(borrow_allocator_t *this, void *old_ptr) {
linked_allocation_node_t *node = PTR_FROM_FIELD_PTR(linked_allocation_node_t, data, old_ptr);
if (node->prev != NULL) { node->prev->next = node->next; }
if (node->next != NULL) { node->next->prev = node->prev; }
@@ -43,7 +43,7 @@ void borrow_allocator_free(borrow_allocator_t *this, void *old_ptr) {
free(node);
}
void borrow_allocator_free_all(borrow_allocator_t *this) {
static void borrow_allocator_free_all(borrow_allocator_t *this) {
if (this->head == NULL) {
return;
}
@@ -57,7 +57,7 @@ void borrow_allocator_free_all(borrow_allocator_t *this) {
this->head = NULL;
}
size_t borrow_allocator_count_allocations(borrow_allocator_t *this) {
static size_t borrow_allocator_count_allocations(borrow_allocator_t *this) {
size_t output = 0;
for (linked_allocation_node_t *node = this->head; node != NULL; node = node->next) {
output++;