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avcodec/tiff_common: allow count = 0 in ff_tadd_bytes_metadata()
Fixes Ticket3103
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 73d887733d
)
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@ -219,7 +219,7 @@ int ff_tadd_bytes_metadata(int count, const char *name, const char *sep,
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char *ap;
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int i;
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if (count >= INT_MAX / sizeof(int8_t) || count <= 0)
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if (count >= INT_MAX / sizeof(int8_t) || count < 0)
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return AVERROR_INVALIDDATA;
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if (bytestream2_get_bytes_left(gb) < count * sizeof(int8_t))
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return AVERROR_INVALIDDATA;
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