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Diffstat (limited to 'lib/url.c')
-rw-r--r--lib/url.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/lib/url.c b/lib/url.c
index 6d6a56e1f..296951059 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -4176,7 +4176,12 @@ static void llist_dtor(void *user, void *element)
*/
static struct connectdata *allocate_conn(struct Curl_easy *data)
{
- struct connectdata *conn = calloc(1, sizeof(struct connectdata));
+#ifdef USE_SSL
+#define SSL_EXTRA + 4 * Curl_ssl->sizeof_ssl_backend_data - sizeof(long long)
+#else
+#define SSL_EXTRA 0
+#endif
+ struct connectdata *conn = calloc(1, sizeof(struct connectdata) + SSL_EXTRA);
if(!conn)
return NULL;
@@ -4259,6 +4264,23 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
conn->ip_version = data->set.ipver;
+#ifdef USE_SSL
+ /*
+ * To save on malloc()s, the SSL backend-specific data has been allocated
+ * at the end of the connectdata struct.
+ */
+ {
+ char *p = (char *)&conn->align_data__do_not_use;
+ conn->ssl[0].backend = (struct ssl_backend_data *)p;
+ conn->ssl[1].backend =
+ (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data);
+ conn->proxy_ssl[0].backend =
+ (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data * 2);
+ conn->proxy_ssl[1].backend =
+ (struct ssl_backend_data *)(p + Curl_ssl->sizeof_ssl_backend_data * 3);
+ }
+#endif
+
#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
defined(NTLM_WB_ENABLED)
conn->ntlm_auth_hlpr_socket = CURL_SOCKET_BAD;