From 9fe3a860228006dc9a62b92a486ef58be8d05c30 Mon Sep 17 00:00:00 2001 From: Randy Jordan Date: Wed, 10 Jun 2026 07:55:18 -0500 Subject: [PATCH] arrays --- "src/\\" | 91 -------------------------------------------------------- 1 file changed, 91 deletions(-) delete mode 100644 "src/\\" diff --git "a/src/\\" "b/src/\\" deleted file mode 100644 index 5dc9452..0000000 --- "a/src/\\" +++ /dev/null @@ -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 -#include -#include -#include - -/* 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; -}