big renaming

1 files changed, 14 insertions, 8 deletions

diff --git a/userspace/foolshell.c b/userspace/foolshell.c
index 38a6e55..86c083c 100644
--- a/userspace/foolshell.c
+++ b/userspace/foolshell.c
@@ -66,10 +66,8 @@ int main(int argc, char **argv)
     
     if(!silent)hello();
 
-    //char *buf=malloc(256);
     char *buf=calloc(sizeof(char),256);
 
-//  printf("setvbuf returned %i\n",
     setvbuf(stdin,NULL,_IONBF,0);
 
     while(1)
@@ -80,17 +78,25 @@ int main(int argc, char **argv)
 	while(1)
 	{
 	    char c=fgetc(stdin);
-	    putc(c,stdout);
-	    if(c=='\n')break;
 
-
-	    buf[bl]=c;
-	    buf[bl+1]='\0';
-	    bl++;
+	    if(c=='\b')
+	    {
+		if(bl==0)continue;
+		buf[--bl]='\0';
+		putc(c,stdout);
+	    }
+	    else
+	    {
+		putc(c,stdout);
+		if(c=='\n')break;
+		buf[bl]=c;
+		buf[++bl]='\0';
+	    }
 	}
 
         //fgets(buf,255,stdin);
 	//buf[strlen(buf)-1]=0; // remove \n
+	printf("[%s]",buf);
 	process(buf);
     }