diff options
Diffstat (limited to 'lib/connect.c')
| -rw-r--r-- | lib/connect.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/connect.c b/lib/connect.c index 2eef242d4..445261754 100644 --- a/lib/connect.c +++ b/lib/connect.c @@ -1119,8 +1119,10 @@ int Curl_closesocket(struct connectdata *conn, /* * Create a socket based on info from 'conn' and 'ai'. * - * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open - * socket callback is set, used that! + * 'addr' should be a pointer to the correct struct to get data back, or NULL. + * 'sockfd' must be a pointer to a socket descriptor. + * + * If the open socket callback is set, used that! * */ CURLcode Curl_socket(struct connectdata *conn, @@ -1129,9 +1131,11 @@ CURLcode Curl_socket(struct connectdata *conn, curl_socket_t *sockfd) { struct SessionHandle *data = conn->data; -#if defined(ENABLE_IPV6) && defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID) - struct sockaddr_in6 * const sa6 = (void *)&addr->sa_addr; -#endif + struct Curl_sockaddr_ex dummy; + + if(!addr) + /* if the caller doesn't want info back, use a local temp copy */ + addr = &dummy; /* * The Curl_sockaddr_ex structure is basically libcurl's external API @@ -1172,8 +1176,10 @@ CURLcode Curl_socket(struct connectdata *conn, return CURLE_FAILED_INIT; #if defined(ENABLE_IPV6) && defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID) - if(conn->scope && (addr->family == AF_INET6)) + if(conn->scope && (addr->family == AF_INET6)) { + struct sockaddr_in6 * const sa6 = (void *)&addr->sa_addr; sa6->sin6_scope_id = conn->scope; + } #endif return CURLE_OK; |