From fb4f568b1e090c884eb63c3419322b558a38138e Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 13 Mar 2018 00:51:39 +0100
Subject: add_handle/easy_perform: clear errorbuffer on start if set

To offer applications a more defined behavior, we clear the buffer as
early as possible.

Assisted-by: Jay Satiro

Fixes #2190
Closes #2377
---
 lib/easy.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/easy.c')

diff --git a/lib/easy.c b/lib/easy.c
index fa34c3827..c99758617 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -746,6 +746,10 @@ static CURLcode easy_perform(struct Curl_easy *data, bool events)
   if(!data)
     return CURLE_BAD_FUNCTION_ARGUMENT;
 
+  if(data->set.errorbuffer)
+    /* clear this as early as possible */
+    data->set.errorbuffer[0] = 0;
+
   if(data->multi) {
     failf(data, "easy handle already used in multi handle");
     return CURLE_FAILED_INIT;
-- 
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