make b64decode more useful

test/b64decode.c

@@ -8,20 +8,23 @@ void b64encode(const char* c) {
   unsigned int dlen;
   scan_base64(c,buf,&dlen);
   buffer_put(buffer_1,buf,dlen);
-  buffer_putnlflush(buffer_1);
 }
 
 main(int argc,char* argv[]) {
   int i;
   for (i=1; i<argc; ++i) {
     b64encode(argv[i]);
+    buffer_flush(buffer_1);
   }
   if (argc<2) {
     char src[1024];
-    int len=read(0,src,sizeof(src)-1);
+    int len;
+    while ((len=read(0,src,sizeof(src)-1))>0) {
+      src[len]=0;
+      b64encode(src);
+    }
+    buffer_putnlflush(buffer_1);
     if (len==-1) return(1);
-    src[len]=0;
-    b64encode(src);
   }
   return 0;
 }