diff --git a/src/nzg_iface.h b/src/nzg_iface.h
index aeba9c3..33fff99 100644
--- a/src/nzg_iface.h
+++ b/src/nzg_iface.h
@@ -32,7 +32,7 @@ typedef struct MsgSpace {
   msgSpaceId id;
   int poolNb;
   int queueNb;
-    int pid; 
+  int pid; 
   msgSpacePoolDataId poolDataId;
 } msgSpace;
 
@@ -42,7 +42,7 @@ typedef struct MsgSpace {
 typedef struct MsgSpaceListElem {
   void * id;
   int ownerPid;
-    msgSpaceListElemId next;
+  msgSpaceListElemId next;
 } * msgSpaceList, msgSpaceListElem;
 
 
diff --git a/src/nzg_pool.c b/src/nzg_pool.c
index 6bf5dd6..af0fc8e 100644
--- a/src/nzg_pool.c
+++ b/src/nzg_pool.c
@@ -55,3 +55,26 @@ int msgSpacePoolId2nzgPoolId(msgSpacePoolId dest,msgSpacePoolId src, int num){
 //	//donne l'adr en mappant in the memory
 	//poolAddr = mmap(NULL, sizeof(*msgPool), PROT_NONE, MAP_SHARED, poolFd, 0);
 
+msgPool * msgPoolAllocate(int poolFd, msgSpace *msg) {
+	msgPool * poolAddr;
+	int dataId;
+	//msgSpacePoolData spoolData;
+
+	//dataId = msg->poolDataId;
+	
+	//spoolData[dataId];
+	
+	//donne l'adr en mappant in the memory
+	poolAddr = mmap(NULL, sizeof(*msgPool), PROT_NONE, MAP_SHARED, poolFd, 0);
+	if(poolAddr == MAP_FAILED) {
+		fprintf( stderr, "mmap failed: %s\n",
+            strerror( errno ) );
+        return NULL;
+	}
+
+
+	// on renvoie le pointeur sur le bon pool
+	return poolAddr;
+}
+
+