singleipconnect: don't clobber errno

Save the errno value immediately after a connect() failure so that it
won't get reset to something else before we read it.

Bug: http://curl.haxx.se/mail/lib-2011-10/0066.html
Reported by: Frank Van Uffelen and Fabian Hiernaux
This commit is contained in:
Daniel Stenberg 2011-10-15 23:44:28 +02:00
parent 54ef47a5a0
commit 1a416cd27a

View File

@ -836,7 +836,7 @@ singleipconnect(struct connectdata *conn,
{
struct Curl_sockaddr_ex addr;
int rc;
int error;
int error = 0;
bool isconnected = FALSE;
struct SessionHandle *data = conn->data;
curl_socket_t sockfd;
@ -946,6 +946,8 @@ singleipconnect(struct connectdata *conn,
/* Connect TCP sockets, bind UDP */
if(!isconnected && (conn->socktype == SOCK_STREAM)) {
rc = connect(sockfd, &addr.sa_addr, addr.addrlen);
if(-1 == rc)
error = SOCKERRNO;
conn->connecttime = Curl_tvnow();
if(conn->num_addr > 1)
Curl_expire(data, conn->timeoutms_per_addr);
@ -954,8 +956,6 @@ singleipconnect(struct connectdata *conn,
rc = 0;
if(-1 == rc) {
error = SOCKERRNO;
switch (error) {
case EINPROGRESS:
case EWOULDBLOCK: