From 338747dc5a3f655dc6b565902f05dd798f975374 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sat, 2 Nov 2019 12:17:30 +0100
Subject: [PATCH] server: don't get stuck in read() if TERM length is 0

---
 server.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/server.c b/server.c
index 99288fba..6ad6230e 100644
--- a/server.c
+++ b/server.c
@@ -113,8 +113,10 @@ fdm_client(struct fdm *fdm, int fd, int events, void *data)
 
     term_env = malloc(term_env_len + 1);
     term_env[term_env_len] = '\0';
-    if (recv(fd, term_env, term_env_len, 0) != term_env_len)
-        goto shutdown;
+    if (term_env_len > 0) {
+        if (recv(fd, term_env, term_env_len, 0) != term_env_len)
+            goto shutdown;
+    }
 
     if (recv(fd, &client->argc, sizeof(client->argc), 0) != sizeof(client->argc))
         goto shutdown;