changes, improvements and cleanup

1 files changed, 8 insertions, 6 deletions

diff --git a/userspace/add.c b/userspace/add.c
index 2a13adf..3a624be 100644
--- a/userspace/add.c
+++ b/userspace/add.c
@@ -6,18 +6,16 @@
 int main(int argc, char **argv) 
 {
 
-    FILE *input;
-    input=fopen("input2.txt","r"); //stdin
-
     int sum=0;
     int i=0;
 
     char *buf=malloc(256);
+    puts("\n*** fools calculator ***");
     
     while(1)
     {
 	printf("enter numer (or 'exit' to finish) %i: ",i+1);
-        fgets(buf,255,input);
+        fgets(buf,255,stdin);
 
 	if(buf[1]=='x')break;
 
@@ -25,8 +23,12 @@ int main(int argc, char **argv)
 	sum+=atoi(buf);
     }
 
-    printf("sum = %i \n",sum);
-    printf("avg = %i \n\n",sum/i);
+    if(i!=0)
+    {
+	puts("--------");
+	printf("sum = %i \n",sum);
+	printf("avg = %i \n\n",sum/i);
+    }
 
     return 0;
 }