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-rw-r--r--lib/gtls.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/gtls.c b/lib/gtls.c
index a98a7e87c..c64c8c4b4 100644
--- a/lib/gtls.c
+++ b/lib/gtls.c
@@ -80,15 +80,17 @@ static void tls_log_func(int level, const char *str)
#endif
static bool gtls_inited = FALSE;
+#undef MAP_WINSOCK_ERRORS
#if defined(GNUTLS_VERSION_NUMBER)
# if (GNUTLS_VERSION_NUMBER >= 0x020c00)
# undef gnutls_transport_set_lowat
# define gnutls_transport_set_lowat(A,B) Curl_nop_stmt
# define USE_GNUTLS_PRIORITY_SET_DIRECT 1
# endif
-# if (GNUTLS_VERSION_NUMBER >= 0x020c03)
-# undef gnutls_transport_set_global_errno
-# define gnutls_transport_set_global_errno(A) SET_ERRNO((A))
+# if (GNUTLS_VERSION_NUMBER < 0x020c03)
+# ifdef USE_WINSOCK
+# define MAP_WINSOCK_ERRORS
+# endif
# endif
#endif
@@ -100,6 +102,7 @@ static bool gtls_inited = FALSE;
* us to get specific about the fourth "flags" argument, and to use arbitrary
* private data with gnutls_transport_set_ptr if we wish.
*
+ * For old gnutls versions, curl must translate Winsock errors:
* When these custom push and pull callbacks fail, GNU TLS checks its own
* session-specific error variable, and when not set also its own global
* errno variable, in order to take appropriate action. GNU TLS does not
@@ -111,7 +114,7 @@ static bool gtls_inited = FALSE;
* error translation must take place in these callbacks.
*/
-#ifdef USE_WINSOCK
+#ifdef MAP_WINSOCK_ERRORS
# define gtls_EINTR 4
# define gtls_EIO 5
# define gtls_EAGAIN 11
@@ -132,7 +135,7 @@ static int gtls_mapped_sockerrno(void)
static ssize_t Curl_gtls_push(void *s, const void *buf, size_t len)
{
ssize_t ret = swrite(GNUTLS_POINTER_TO_INT_CAST(s), buf, len);
-#ifdef USE_WINSOCK
+#ifdef MAP_WINSOCK_ERRORS
if(ret < 0)
gnutls_transport_set_global_errno(gtls_mapped_sockerrno());
#endif
@@ -142,7 +145,7 @@ static ssize_t Curl_gtls_push(void *s, const void *buf, size_t len)
static ssize_t Curl_gtls_pull(void *s, void *buf, size_t len)
{
ssize_t ret = sread(GNUTLS_POINTER_TO_INT_CAST(s), buf, len);
-#ifdef USE_WINSOCK
+#ifdef MAP_WINSOCK_ERRORS
if(ret < 0)
gnutls_transport_set_global_errno(gtls_mapped_sockerrno());
#endif