From: Ryabin Sergey <m3tac0ma@gmail.com>
Date: Wed, 11 Jan 2017 15:39:55 +0000 (+0400)
Subject: BUG/MINOR: Reset errno variable before calling strtol(3)
X-Git-Tag: v1.8-dev1~164
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=77ee7526deab920a2846d35365392127596ccd8f;p=thirdparty%2Fhaproxy.git

BUG/MINOR: Reset errno variable before calling strtol(3)

Sometimes errno != 0 before calling strtol(3)

[wt: this needs to be backported to 1.7]
---

diff --git a/src/server.c b/src/server.c
index f23b938aa3..0decb822b6 100644
--- a/src/server.c
+++ b/src/server.c
@@ -2814,6 +2814,7 @@ const char *update_server_addr_port(struct server *s, const char *addr, const ch
 		port_change_required = 0;
 
 		sign = *port;
+		errno = 0;
 		new_port = strtol(port, &endptr, 10);
 		if ((errno != 0) || (port == endptr)) {
 			chunk_appendf(msg, "problem converting port '%s' to an int", port);