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dea9744560
It has been deprecated in b4f59beeb4,
but the attribute_deprecated was not set and there was no entry
in APIchanges. This commit adds these and schedules it for removal.
Given that the reason behind the deprecation is exactly the same
as in av_fopen_utf8(), reuse its FF_API_AV_FOPEN_UTF8.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_FILE_H
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#define AVUTIL_FILE_H
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#include <stddef.h>
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#include <stdint.h>
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#include "version.h"
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#include "attributes.h"
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/**
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* @file
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* Misc file utilities.
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*/
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/**
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* Read the file with name filename, and put its content in a newly
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* allocated buffer or map it with mmap() when available.
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* In case of success set *bufptr to the read or mmapped buffer, and
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* *size to the size in bytes of the buffer in *bufptr.
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* Unlike mmap this function succeeds with zero sized files, in this
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* case *bufptr will be set to NULL and *size will be set to 0.
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* The returned buffer must be released with av_file_unmap().
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*
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* @param log_offset loglevel offset used for logging
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* @param log_ctx context used for logging
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* @return a non negative number in case of success, a negative value
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* corresponding to an AVERROR error code in case of failure
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*/
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av_warn_unused_result
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int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
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int log_offset, void *log_ctx);
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/**
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* Unmap or free the buffer bufptr created by av_file_map().
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*
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* @param size size in bytes of bufptr, must be the same as returned
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* by av_file_map()
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*/
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void av_file_unmap(uint8_t *bufptr, size_t size);
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#if FF_API_AV_FOPEN_UTF8
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/**
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* Wrapper to work around the lack of mkstemp() on mingw.
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* Also, tries to create file in /tmp first, if possible.
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* *prefix can be a character constant; *filename will be allocated internally.
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* @return file descriptor of opened file (or negative value corresponding to an
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* AVERROR code on error)
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* and opened file name in **filename.
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* @note On very old libcs it is necessary to set a secure umask before
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* calling this, av_tempfile() can't call umask itself as it is used in
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* libraries and could interfere with the calling application.
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* @deprecated as fd numbers cannot be passed saftely between libs on some platforms
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*/
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attribute_deprecated
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int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx);
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#endif
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#endif /* AVUTIL_FILE_H */
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