safer usage of strerror

diff --git a/src/socket.c b/src/socket.c
index 79c5eaeb51a980bcae5ed98762445e14ae14ccd3..a91fea7f8152e7c0933f2ada9e206407ae63473e 100644 (file)
--- a/src/socket.c
+++ b/src/socket.c
@@ -198,8 +198,9 @@ socket_open(socket_st * hd, const char *hostname, const char *service,
 
                err = connect(sd, ptr->ai_addr, ptr->ai_addrlen);
                if (err < 0) {
+                       int e = errno;
                        fprintf(stderr, "Cannot connect to %s:%s: %s\n",
-                               buffer, portname, strerror(errno));
+                               buffer, portname, strerror(e));
                        continue;
                }
                break;