diff --git a/src/nzg_allocate.c b/src/nzg_allocate.c
index 16d8e7e..5c3f5b0 100644
--- a/src/nzg_allocate.c
+++ b/src/nzg_allocate.c
@@ -203,8 +203,10 @@ void * msgAllocate(msgSpace *space,
  
  mprotect(resultAddr,bufferFreeSize*bufferNb,PROT_NONE);
  mprotect(resultAddr,bufferFreeSize*(bufferFreeIndex+1),PROT_READ|PROT_WRITE);
+ mprotect(resultAddr,bufferFreeSize*bufferFreeIndex,PROT_NONE);
+ resultAddr=resultAddr +( bufferFreeSize*bufferFreeIndex);
+ strcpy(resultAddr,"a"); 
 
-  //(bufferFreeSize*bufferFreeIndex) );
   if( resultAddr == MAP_FAILED) {
 	NZG_ERROR("resultAddr mmap","");
 	goto ERROR;
diff --git a/src/nzg_bufferGetProcAttach.c b/src/nzg_bufferGetProcAttach.c
new file mode 100644
index 0000000..a95de11
--- /dev/null
+++ b/src/nzg_bufferGetProcAttach.c
@@ -0,0 +1,50 @@
+#include "libnazgul.h"
+
+int msgBufferGetProcAttach(
+	msgPoolData * poolDataTabAddr,
+	int poolNb,
+	int * poolIndex,
+	int * bufferIndex,
+	void * addr
+	){
+  msgBufferInfoTabId bufferInfoTabId;
+  int bufferInfoTabFd;
+  msgBufferInfo * bufferInfoTabAddr;
+  int bufferInfoNb;  
+
+  bool found=false;
+  int pIdx=0;
+  while ((!found) && (pIdx < poolNb)){
+	/* Pour chaque pool */
+	//récuperer l'ID du BufferInfoTab;
+	strcpy(bufferInfoTabId, poolDataTabAddr[pIdx].bufferInfoTabId);
+	bufferInfoNb=poolDataTabAddr[pIdx].bufferNb;
+
+	bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
+	if (bufferInfoTabFd<0)
+	{ NZG_ERROR("shm_open",bufferInfoTabId); return -1; 	}
+
+	/** on regarde dans le tableau d'infos de buffer **/
+	bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
+		PROT_READ,MAP_SHARED,bufferInfoTabFd,(off_t)0);
+
+	/* on cherche dans chacun des buffers */
+	int bIdx=0;
+	while((!found) && bIdx<bufferInfoNb){
+	  if (bufferInfoTabAddr[bIdx].addr == addr){ 
+		found=true; 
+		(*bufferIndex)=bIdx;
+	  };
+	  bIdx++;
+	}
+	if (found){ (*poolIndex)=pIdx; }
+	/* on détache le morceau de mémoire */
+	if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
+	{ NZG_ERROR("munmap",bufferInfoTabId); return -1; }
+	close(bufferInfoTabFd);
+	pIdx++;
+  }
+
+  if (found){ return 0; } else {return -1;}
+}
+