From f2756500ed8fc14ba11cf5bf0a3cee6f3b66eecb Mon Sep 17 00:00:00 2001
From: Michele Caini <michele.caini@gmail.com>
Date: Thu, 25 May 2017 08:58:24 +0200
Subject: [PATCH] unix: avoid segfault in uv_get_process_title
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Fixes: https://github.com/libuv/libuv/issues/1359
PR-URL: https://github.com/libuv/libuv/pull/1360
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
---
 src/unix/proctitle.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/unix/proctitle.c b/src/unix/proctitle.c
index 9160f7ea..2ed0b21c 100644
--- a/src/unix/proctitle.c
+++ b/src/unix/proctitle.c
@@ -98,7 +98,9 @@ int uv_get_process_title(char* buffer, size_t size) {
   else if (size <= process_title.len)
     return -ENOBUFS;
 
-  memcpy(buffer, process_title.str, process_title.len + 1);
+  if (process_title.len != 0)
+    memcpy(buffer, process_title.str, process_title.len + 1);
+
   buffer[process_title.len] = '\0';
 
   return 0;