From f41c3910ce5410c7718cfa9c25ca031526125466 Mon Sep 17 00:00:00 2001
From: kdh422 <superb422@naver.com>
Date: Sat, 16 Jun 2018 19:19:49 +0900
Subject: [PATCH] only make malloc
---
alloc.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/alloc.c b/alloc.c
index 931b9fd..429f2ce 100644
--- a/alloc.c
+++ b/alloc.c
@@ -1 +1,37 @@
#include "alloc.h"
+#include <stdio.h>
+
+
+void *make_malloc(size_t size){
+
+ if(!start){
+ if((start=sbrk(0))){ // break
+ end=start;
+ find=-1;
+ }
+ else
+ printf("break address call error");
+ }
+
+ if((find == -1) || (find->next==NULL)){
+ k_malloc = end;
+
+ if(sbrk(size)==-1)
+ return 0;
+
+ k_malloc->next=NULL;
+ k_malloc->free=0;
+ k_malloc->size=size;
+ k_malloc->prev=find;
+
+ end += size;
+
+ if(find!=-1)
+ find->next=k_malloc;
+
+ find=k_malloc;
+ }
+
+ return find->offset;
+}
+
--
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