From: dickmao <none>
Date: Sat, 19 Jun 2021 13:19:04 +0000 (+0200)
Subject: De-obfuscate gnutls_handshake loop
X-Git-Tag: archive/raspbian/1%29.2+1-2+rpi1^2~5^2~18^2~2331
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=234bf1b6363a3d5db8e73c422d87a0bf1aa4b2e3;p=emacs.git

De-obfuscate gnutls_handshake loop

* src/gnutls.c (gnutls_try_handshake): Rewrite the handshake loop
for greater clarity (bug#49055).
---

diff --git a/src/gnutls.c b/src/gnutls.c
index 4d5a909db0d..22e7f2cbc17 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -625,16 +625,11 @@ gnutls_try_handshake (struct Lisp_Process *proc)
 
   while ((ret = gnutls_handshake (state)) < 0)
     {
-      if (gnutls_error_is_fatal (ret))
-	return emacs_gnutls_handle_error (state, ret);
-      do
-	ret = gnutls_handshake (state);
-      while (ret == GNUTLS_E_INTERRUPTED);
-
-      if (0 <= ret || emacs_gnutls_handle_error (state, ret) == 0
-	  || non_blocking)
+      if (emacs_gnutls_handle_error (state, ret) == 0) /* fatal */
 	break;
       maybe_quit ();
+      if (non_blocking && ret != GNUTLS_E_INTERRUPTED)
+	break;
     }
 
   proc->gnutls_initstage = GNUTLS_STAGE_HANDSHAKE_TRIED;