From 5b2a84f71c5996399204edb3ebd4ead24f7be0bf Mon Sep 17 00:00:00 2001
From: diogo464 <diogo464@protonmail.com>
Date: Mon, 15 Apr 2024 12:51:24 +0100
Subject: print headers in sorted order

---
 main.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index e37cc2e..ed2b871 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"net/http"
+	"slices"
 )
 
 func main() {
@@ -13,7 +14,9 @@ func main() {
 		fmt.Fprintf(w, "URL: %v\n", r.URL)
 		fmt.Fprintf(w, "Proto: %v\n", r.Proto)
 		fmt.Fprintf(w, "Header:\n")
-		for key, value := range r.Header {
+
+		for _, key := range headerSortedKeys(r.Header) {
+			value := r.Header[key]
 			fmt.Fprintf(w, "\t%v: ", key)
 			for _, v := range value {
 				fmt.Fprintf(w, "'%v' ", v)
@@ -21,9 +24,17 @@ func main() {
 			fmt.Fprintf(w, "\n")
 		}
 		fmt.Fprintf(w, "RemoteAddr: %v\n", r.RemoteAddr)
-		w.WriteHeader(http.StatusOK)
 	})
 	if err := http.ListenAndServe(":8000", nil); err != nil {
 		log.Fatalf("failed to listen and serve: %v", err)
 	}
 }
+
+func headerSortedKeys(header http.Header) []string {
+	keys := []string{}
+	for key := range header {
+		keys = append(keys, key)
+	}
+	slices.Sort(keys)
+	return keys
+}
-- 
cgit