From: Marcel Raad <Marcel.Raad@teamviewer.com>
Date: Sun, 8 Jul 2018 15:00:01 +0000 (+0200)
Subject: schannel: workaround for wrong function signature in w32api
X-Git-Tag: curl-7_61_0~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=07f7c93f92c15e1a4a6489a05b1eb4c7b33cf6a4;p=thirdparty%2Fcurl.git

schannel: workaround for wrong function signature in w32api

Original MinGW's w32api has CryptHashData's second parameter as BYTE *
instead of const BYTE *.

Closes https://github.com/curl/curl/pull/2721
---

diff --git a/lib/vtls/schannel.c b/lib/vtls/schannel.c
index 2e2b198c4e..b72542225b 100644
--- a/lib/vtls/schannel.c
+++ b/lib/vtls/schannel.c
@@ -2053,7 +2053,8 @@ static void Curl_schannel_checksum(const unsigned char *input,
     if(!CryptCreateHash(hProv, algId, 0, 0, &hHash))
       break; /* failed */
 
-    if(!CryptHashData(hHash, (const BYTE*)input, (DWORD)inputlen, 0))
+    /* workaround for original MinGW, should be (const BYTE*) */
+    if(!CryptHashData(hHash, (BYTE*)input, (DWORD)inputlen, 0))
       break; /* failed */
 
     /* get hash size */