Fix a possible infinite loop in HTTPInput.

diff --git a/httpinput.cpp b/httpinput.cpp
index cc618bc..301aa3f 100644 (file)
--- a/httpinput.cpp
+++ b/httpinput.cpp
@@ -95,7 +95,7 @@ int HTTPInput::lookup_and_connect(const string &host, const string &port)
        addrinfo *base_ai = ai;
 
        // Connect to everything in turn until we have a socket.
-       while (ai && !should_stop()) {
+       for ( ; ai && !should_stop(); ai = ai->ai_next) {
                int sock = socket(ai->ai_family, SOCK_STREAM, IPPROTO_TCP);
                if (sock == -1) {
                        // Could be e.g. EPROTONOSUPPORT. The show must go on.
@@ -153,7 +153,6 @@ int HTTPInput::lookup_and_connect(const string &host, const string &port)
                }
 
                safe_close(sock);
-               ai = ai->ai_next;
        }
 
        // Give the last one as error.