Rounding of sizes

Makefile

@@ -1,4 +1,4 @@
-VERSION = 1.3.2
+VERSION = 1.3.3
 
 APP      := http-file-server
 PACKAGES := $(shell go list -f {{.Dir}} ./...)

README.md

@@ -60,14 +60,14 @@ Or [download a binary](https://github.com/sgreben/http-file-server/releases/late
 
 ```sh
 # Linux
-curl -L https://github.com/sgreben/http-file-server/releases/download/1.3.2/http-file-server_1.3.2_linux_x86_64.tar.gz | tar xz
+curl -L https://github.com/sgreben/http-file-server/releases/download/1.3.3/http-file-server_1.3.3_linux_x86_64.tar.gz | tar xz
 
 # OS X
-curl -L https://github.com/sgreben/http-file-server/releases/download/1.3.2/http-file-server_1.3.2_osx_x86_64.tar.gz | tar xz
+curl -L https://github.com/sgreben/http-file-server/releases/download/1.3.3/http-file-server_1.3.3_osx_x86_64.tar.gz | tar xz
 
 # Windows
-curl -LO https://github.com/sgreben/http-file-server/releases/download/1.3.2/http-file-server_1.3.2_windows_x86_64.zip
-unzip versions_1.3.2_windows_x86_64.zip
+curl -LO https://github.com/sgreben/http-file-server/releases/download/1.3.3/http-file-server_1.3.3_windows_x86_64.zip
+unzip versions_1.3.3_windows_x86_64.zip
 ```
 
 ## Use it

server.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"html/template"
+	"math"
 	"net/http"
 	"net/url"
 	"os"
@@ -65,17 +66,20 @@ func (f fileSizeBytes) String() string {
 		MB = 1024 * KB
 		GB = 1024 * MB
 	)
+	divBy := func(x int64) int {
+		return int(math.Round(float64(f) / float64(x)))
+	}
 	switch {
 	case f < KB:
 		return fmt.Sprintf("%d", f)
 	case f < MB:
-		return fmt.Sprintf("%dK", f/KB)
+		return fmt.Sprintf("%dK", divBy(KB))
 	case f < GB:
-		return fmt.Sprintf("%dM", f/MB)
+		return fmt.Sprintf("%dM", divBy(MB))
 	case f >= GB:
 		fallthrough
 	default:
-		return fmt.Sprintf("%dG", f/GB)
+		return fmt.Sprintf("%dG", divBy(GB))
 	}
 }