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The following error handling is broken due to signedness.
int file_size;
uint32_t tag_bytes;
int64_t tag_start;
...
tag_start = file_size - tag_bytes - APE_TAG_FOOTER_BYTES;
if (tag_start < 0) { ... }
Note that tag_bytes is unsigned, which makes the right-hand side of
`tag_start = ...' unsigned, too. The 32-bit unsigned value is then
zero-extended to 64 bits. Therefore, tag_start must be non-negative,
and the check (tag_start < 0) is always false, which breaks the error
handling. This patch fixes the check.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Substract the filename size from the data size.
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Fixes crashes if reading the tag value fails.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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export as attachment streams
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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In the name of consistency:
get_byte -> avio_r8
get_<type> -> avio_r<type>
get_buffer -> avio_read
get_partial_buffer will be made private later
get_strz is left out becase I want to change it later to return
something useful.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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AVERROR(ENOMEM).
AVERROR_NOMEM is deprecated and will be dropped at the next libavutil
major bump.
Originally committed as revision 22791 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 22096 to svn://svn.ffmpeg.org/ffmpeg/trunk
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libavformat/apetag.c:38: warning: unused variable `l'
Originally committed as revision 20878 to svn://svn.ffmpeg.org/ffmpeg/trunk
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arrays of fixed length.
Code from ffmbc with changes to adapt to our metadata API.
Originally committed as revision 20836 to svn://svn.ffmpeg.org/ffmpeg/trunk
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It uses the old, deprecated metadata API and prints exactly the same thing
as what ffmpeg/ffplay does.
Originally committed as revision 20280 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Based on patch by Matti Hamalainen (mhamalai<mot>students<punkt>oamk<punkt>)
Originally committed as revision 19629 to svn://svn.ffmpeg.org/ffmpeg/trunk
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