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curl/lib/strerror.h
Jay Satiro 5b22e1a5a9 strerror: Add Curl_winapi_strerror for Win API specific errors
- In all code call Curl_winapi_strerror instead of Curl_strerror when
  the error code is known to be from Windows GetLastError.

Curl_strerror prefers CRT error codes (errno) over Windows API error
codes (GetLastError) when the two overlap. When we know the error code
is from GetLastError it is more accurate to prefer the Windows API error
messages.

Reported-by: Richard Alcock

Fixes https://github.com/curl/curl/issues/4550
Closes https://github.com/curl/curl/pull/4581
2019-12-01 18:12:36 -05:00

38 lines
1.4 KiB
C

#ifndef HEADER_CURL_STRERROR_H
#define HEADER_CURL_STRERROR_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "urldata.h"
#define STRERROR_LEN 128 /* a suitable length */
const char *Curl_strerror(int err, char *buf, size_t buflen);
#if defined(WIN32) || defined(_WIN32_WCE)
const char *Curl_winapi_strerror(DWORD err, char *buf, size_t buflen);
#endif
#ifdef USE_WINDOWS_SSPI
const char *Curl_sspi_strerror(int err, char *buf, size_t buflen);
#endif
#endif /* HEADER_CURL_STRERROR_H */