Mise à jour de 'DEV1.1/TP15/file.c'

DEV1.1/TP15/file.c

@@ -1,56 +1,37 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 
-struct pile
-{
-	int tete;
-	char ple[10];
+struct pile{
+	char val;
+	struct pile *suite;
 };
-
 typedef struct pile pile;
 
-int empty(pile *p)
-{
-	if(p==NULL)
-	{
-		return 1;
-	}
-	return p->tete==0;
+int empty(pile* p){
+	return p==NULL;
 }
 
-char pop(pile **p)
-{
-	(*p)->tete--;
-	return (*p)->ple[(*p)->tete];
+void push(pile **p, char v){
+	pile *new=malloc(sizeof(pile));
+	new->val=v;
+	new->suite=*p;
+	*p=new;
 }
 
-void push(pile **p,char v)
-{
-	if (*p==NULL)
-	{
-		pile *new=malloc(sizeof(pile));
-		new->tete=0;
-		*p=new;
-		push(p,v);
-	}else
-	{
-	(*p)->ple[(*p)->tete]=v;
-	(*p)->tete++;
-	}
+char pop(pile **p){
+	char v=(*p)->val;
+	pile *temp=*p;
+	*p=(*p)->suite;
+	free(temp);
+	return v;
 }
 
-char top(pile **p)
-{
-	char temp = pop(p);
-	push(p,temp);
-	return temp;
-}
-
-void clear(pile **p)
-{
-	while(!empty((*p)))
-	{
+void clear(pile **p){
+	while(!empty(*p)){
 		pop(p);
 	}
+}
+
+char top(pile **p){
+	return (*p)->val;
 }