arrays

src/\

@@ -1,91 +0,0 @@
-/* - | Copyright | ------------------------------------------------------------
-	 Copyright (c) 2026 Randy Jordan
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
- * --------------------------------------------------------------------------*/
-#include "../include/platform/mem/ci2_arena.h"
-#include <assert.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Initialize an Arena with an existing buffer  */
-void
-ci2_arena_back(struct CI2_Arena* a, char* buf, ptrdiff_t len)
-{
-	assert(a != NULL);
-	assert(buf != NULL);
-	a->beg = buf;
-	a->end = buf + len;
-}
-
-/* Allocate a new Arena */
-struct CI2_Arena
-ci2_arena_new(ptrdiff_t cap)
-{
-	struct Arena a = { 0 };
-	a.beg = malloc(cap);
-	a.end = a.beg ? a.beg + cap : 0;
-	return a;
-}
-
-/* Get the current capacity of an Arena */
-ptrdiff_t
-ci2_arena_capacity(struct CI2_Arena a)
-{
-	ptrdiff_t res = a.end - a.beg;
-	return res;
-}
-
-/* Make an allocation from an Arena and do not zero.*/
-void*
-ci2_arena_calloc(struct CI2_Arena* a,
-								 ptrdiff_t size,
-								 ptrdiff_t align,
-								 ptrdiff_t count)
-{
-	ptrdiff_t padding = -(uintptr_t)a->beg & (align - 1);
-	ptrdiff_t available = a->end - a->beg - padding;
-	if (available < 0 || count > available / size) {
-		return NULL;
-	}
-	ptrdiff_t total = padding + count * size;
-	void* p = a->beg + total;
-	a->beg += total;
-	return memset(p, 0, total);
-}
-
-/* Make an allocation from an Arena and zero.*/
-void*
-ci2_arena_malloc(struct CI2_Arena* a,
-								 ptrdiff_t size,
-								 ptrdiff_t align,
-								 ptrdiff_t count)
-{
-	ptrdiff_t padding = -(uintptr_t)a->beg & (align - 1);
-	ptrdiff_t available = a->end - a->beg - padding;
-	if (available < 0 || count > available / size) {
-		return NULL;
-	}
-	ptrdiff_t total = padding + count * size;
-	void* p = a->beg + total;
-	a->beg += total;
-	return p;
-}