FFmpeg
4.0
libavutil
tests
file.c
Go to the documentation of this file.
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/*
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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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#include "
libavutil/file.c
"
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#undef printf
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int
main
(
void
)
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{
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uint8_t
*
buf
;
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size_t
size
;
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if
(
av_file_map
(
"file.c"
, &buf, &size, 0,
NULL
) < 0)
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return
1;
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buf[0] =
's'
;
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printf(
"%s"
, buf);
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av_file_unmap
(buf, size);
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return
0;
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}
NULL
#define NULL
Definition:
coverity.c:32
size
int size
Definition:
twinvq_data.h:11134
main
int main(void)
Definition:
file.c:23
uint8_t
uint8_t
Definition:
audio_convert.c:194
av_file_unmap
void av_file_unmap(uint8_t *bufptr, size_t size)
Unmap or free the buffer bufptr created by av_file_map().
Definition:
file.c:133
av_file_map
int av_file_map(const char *filename, uint8_t **bufptr, size_t *size, int log_offset, void *log_ctx)
Read the file with name filename, and put its content in a newly allocated buffer or map it with mmap...
Definition:
file.c:53
buf
void * buf
Definition:
avisynth_c.h:690
file.c
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