eval_post.c

#include <stdio.h>
#include <stdlib.h>
#include "pile_ptr_int.h"

void main(int argc,char** argv) {
   pile stack_nb = pile_creer();
   int res,nb1,nb2;
   for (int i=1;i<argc;i++) {
      if ( argv[i][0] < '0' || '9' < argv[i][0]) {
         nb1 = pile_depiler(&stack_nb);
         nb2 = pile_depiler(&stack_nb);
      }
      switch(argv[i][0]) {
         case '+':
            res = nb2+nb1;
            break;
         case '-':
            res = nb2-nb1;
            break;
         case 'x':
            res = nb2*nb1;
            break;
         case '/': 
            res = nb2/nb1;
            break; 
         default :
            res = atoi(argv[i]);
      }
      pile_empiler(&stack_nb,res);
   }
   printf("%d\n",pile_depiler(&stack_nb));
}