diff options
Diffstat (limited to 'src/gnutls.c')
| -rw-r--r-- | src/gnutls.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gnutls.c b/src/gnutls.c index 500f09432b..bcec07b36e 100644 --- a/src/gnutls.c +++ b/src/gnutls.c @@ -125,6 +125,7 @@ DEF_GNUTLS_FN (ssize_t, gnutls_record_send, (gnutls_session_t, const void *, size_t)); DEF_GNUTLS_FN (const char *, gnutls_strerror, (int)); DEF_GNUTLS_FN (void, gnutls_transport_set_errno, (gnutls_session_t, int)); +DEF_GNUTLS_FN (const char *, gnutls_check_version, (const char *)); DEF_GNUTLS_FN (void, gnutls_transport_set_lowat, (gnutls_session_t, int)); DEF_GNUTLS_FN (void, gnutls_transport_set_ptr2, (gnutls_session_t, gnutls_transport_ptr_t, @@ -184,7 +185,11 @@ init_gnutls_functions (Lisp_Object libraries) LOAD_GNUTLS_FN (library, gnutls_record_send); LOAD_GNUTLS_FN (library, gnutls_strerror); LOAD_GNUTLS_FN (library, gnutls_transport_set_errno); - LOAD_GNUTLS_FN (library, gnutls_transport_set_lowat); + LOAD_GNUTLS_FN (library, gnutls_check_version); + /* We don't need to call gnutls_transport_set_lowat in GnuTLS 2.11.1 + and later, and the function was removed entirely in 3.0.0. */ + if (!fn_gnutls_check_version ("2.11.1")) + LOAD_GNUTLS_FN (library, gnutls_transport_set_lowat); LOAD_GNUTLS_FN (library, gnutls_transport_set_ptr2); LOAD_GNUTLS_FN (library, gnutls_transport_set_pull_function); LOAD_GNUTLS_FN (library, gnutls_transport_set_push_function); @@ -282,7 +287,12 @@ emacs_gnutls_handshake (struct Lisp_Process *proc) (Note: this is probably not strictly necessary as the lowat value is only used when no custom pull/push functions are set.) */ - fn_gnutls_transport_set_lowat (state, 0); + /* According to GnuTLS NEWS file, lowat level has been set to + zero by default in version 2.11.1, and the function + gnutls_transport_set_lowat was removed from the library in + version 2.99.0. */ + if (!fn_gnutls_check_version ("2.11.1")) + fn_gnutls_transport_set_lowat (state, 0); #else /* This is how GnuTLS takes sockets: as file descriptors passed in. For an Emacs process socket, infd and outfd are the |