From d3fc3ae3c4663d3aa68b66002192a60287e8c6d0 Mon Sep 17 00:00:00 2001
From: Mistivia <i@mistivia.com>
Date: Mon, 9 Jun 2025 17:58:16 +0800
Subject: delete arena

---
 README.md   |  1 -
 src/arena.c | 40 ----------------------------------------
 src/arena.h | 23 -----------------------
 3 files changed, 64 deletions(-)
 delete mode 100644 src/arena.c
 delete mode 100644 src/arena.h

diff --git a/README.md b/README.md
index ee8d7c4..a1e12d5 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,6 @@
 - Augmented red-black tree
 - Murmur Hash
 - String utilities
-- Region-based memory management
 
 ## Build
 
diff --git a/src/arena.c b/src/arena.c
deleted file mode 100644
index f45d11b..0000000
--- a/src/arena.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "arena.h"
-
-#include <stdlib.h>
-
-void init_arena(arena_t *r, int blocksz) {
-    if (blocksz < 4096) blocksz = 4096;
-    r->head = (struct memblock){NULL, 0, blocksz};
-    r->head.buf = malloc(blocksz);
-    r->current = &(r->head);
-    r->blocksz = blocksz;
-}
-
-void destroy_arena(arena_t *r) {
-    free(r->head.buf);
-    struct memblock *cur = r->head.next;
-    while (cur != NULL) {
-        struct memblock *prev = cur;
-        cur = cur->next;
-        free(prev->buf);
-        free(prev);
-    }
-}
-
-void *arena_alloc(arena_t *r, int sz) {
-    int remain = r->current->cap - r->current->sz;
-    if (remain >= sz) {
-        void *ptr = r->current->buf + r->current->sz;
-        r->current->sz += sz;
-        return ptr;
-    }
-    int blocksz = sz > blocksz ? sz : blocksz;
-    struct memblock *nextblock = malloc(sizeof(struct memblock));
-    void *ptr = malloc(blocksz);
-    nextblock->buf = ptr;
-    nextblock->cap = blocksz;
-    nextblock->sz = sz;
-    r->current->next = nextblock;
-    r->current = nextblock;
-    return ptr;
-}
diff --git a/src/arena.h b/src/arena.h
deleted file mode 100644
index 80636e2..0000000
--- a/src/arena.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef ALGDS_ARENA_H_
-#define ALGDS_ARENA_H_
-
-struct memblock {
-    void *buf;
-    int sz;
-    int cap;
-    struct memblock *next;
-};
-typedef struct memblock memblock_t;
-
-struct arena {
-    struct memblock head;
-    struct memblock *current;
-    int blocksz;
-};
-typedef struct arena arena_t;
-
-void init_arena(arena_t *r, int blocksz);
-void destroy_arena(arena_t *r);
-void *arena_alloc(arena_t *r, int sz);
-
-#endif
-- 
cgit v1.0