--- a/misc/winutils/include/libavutil/error.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,83 +0,0 @@
-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * error code definitions
- */
-
-#ifndef AVUTIL_ERROR_H
-#define AVUTIL_ERROR_H
-
-#include <errno.h>
-#include <stddef.h>
-#include "avutil.h"
-
-/**
- * @addtogroup lavu_error
- *
- * @{
- */
-
-
-/* error handling */
-#if EDOM > 0
-#define AVERROR(e) (-(e))   ///< Returns a negative error code from a POSIX error code, to return from library functions.
-#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.
-#else
-/* Some platforms have E* and errno already negated. */
-#define AVERROR(e) (e)
-#define AVUNERROR(e) (e)
-#endif
-
-#define AVERROR_BSF_NOT_FOUND      (-0x39acbd08) ///< Bitstream filter not found
-#define AVERROR_DECODER_NOT_FOUND  (-0x3cbabb08) ///< Decoder not found
-#define AVERROR_DEMUXER_NOT_FOUND  (-0x32babb08) ///< Demuxer not found
-#define AVERROR_ENCODER_NOT_FOUND  (-0x3cb1ba08) ///< Encoder not found
-#define AVERROR_EOF                (-0x5fb9b0bb) ///< End of file
-#define AVERROR_EXIT               (-0x2bb6a7bb) ///< Immediate exit was requested; the called function should not be restarted
-#define AVERROR_FILTER_NOT_FOUND   (-0x33b6b908) ///< Filter not found
-#define AVERROR_INVALIDDATA        (-0x3ebbb1b7) ///< Invalid data found when processing input
-#define AVERROR_MUXER_NOT_FOUND    (-0x27aab208) ///< Muxer not found
-#define AVERROR_OPTION_NOT_FOUND   (-0x2bafb008) ///< Option not found
-#define AVERROR_PATCHWELCOME       (-0x3aa8beb0) ///< Not yet implemented in Libav, patches welcome
-#define AVERROR_PROTOCOL_NOT_FOUND (-0x30adaf08) ///< Protocol not found
-#define AVERROR_STREAM_NOT_FOUND   (-0x2dabac08) ///< Stream not found
-#define AVERROR_BUG                (-0x5fb8aabe) ///< Bug detected, please report the issue
-#define AVERROR_UNKNOWN            (-0x31b4b1ab) ///< Unknown error, typically from an external library
-#define AVERROR_EXPERIMENTAL       (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it.
-
-/**
- * Put a description of the AVERROR code errnum in errbuf.
- * In case of failure the global variable errno is set to indicate the
- * error. Even in case of failure av_strerror() will print a generic
- * error message indicating the errnum provided to errbuf.
- *
- * @param errnum      error code to describe
- * @param errbuf      buffer to which description is written
- * @param errbuf_size the size in bytes of errbuf
- * @return 0 on success, a negative value if a description for errnum
- * cannot be found
- */
-int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
-
-/**
- * @}
- */
-
-#endif /* AVUTIL_ERROR_H */