From 83eac5405da4cbed51d1ea51baa4c3a1f19ab333 Mon Sep 17 00:00:00 2001
From: Michael Preisach <michael.preisach@ins.jku.at>
Date: Thu, 16 Sep 2021 13:27:14 +0000
Subject: [PATCH] fixing connection handling when client closed connection

---
 server.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/server.c b/server.c
index f34bfbf..8d47e7f 100644
--- a/server.c
+++ b/server.c
@@ -54,8 +54,9 @@ int server_start(conn_handler handler, int16_t port) {
             for(ret = 0; 0 == ret;) {
                 bzero(buffer, MAX_BUFSIZE);
                 len = 0;
-                while(buffer[len-1] != '\n') {
-                    len += read(clientfd, &buffer[len], sizeof(buffer)-len);
+                for(int i = 0; 0 < i && buffer[len-1] != '\n';) {
+                    i = read(clientfd, &buffer[len], sizeof(buffer)-len);
+		    len += i;
                 }
                 if (0 > len) {
                     printf("server_start: cannot read from socket\n");