From 13c2d69ddf418cffd4f5f3356af4756d832287c6 Mon Sep 17 00:00:00 2001
From: "ilya (leo)" <heroesleo65@gmail.com>
Date: Mon, 5 Jul 2021 00:30:32 +0300
Subject: [PATCH] Create StringBuilder with known size of string

---
 .../me/tongfei/progressbar/DefaultProgressBarRenderer.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/me/tongfei/progressbar/DefaultProgressBarRenderer.java b/src/main/java/me/tongfei/progressbar/DefaultProgressBarRenderer.java
index 16261d9..1973d36 100644
--- a/src/main/java/me/tongfei/progressbar/DefaultProgressBarRenderer.java
+++ b/src/main/java/me/tongfei/progressbar/DefaultProgressBarRenderer.java
@@ -98,6 +98,9 @@ protected String speed(ProgressState progress, Duration elapsed) {
     }
 
     public String render(ProgressState progress, int maxLength) {
+        if (maxLength <= 0) {
+            return "";
+        }
 
         Instant currTime = Instant.now();
         Duration elapsed = Duration.between(progress.startInstant, currTime);
@@ -126,7 +129,7 @@ public String render(ProgressState progress, int maxLength) {
 
         int length = maxLength - prefixLength - suffixLength;
 
-        StringBuilder sb = new StringBuilder();
+        StringBuilder sb = new StringBuilder(maxLength);
         sb.append(prefix);
 
         // case of indefinite progress bars