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avutil/mem: fix wrong comment
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -339,8 +339,8 @@ void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
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static inline int av_size_mult(size_t a, size_t b, size_t *r)
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{
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size_t t = a * b;
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/* Hack inspired from glibc: only try the division if nelem and elsize
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* are both greater than sqrt(SIZE_MAX). */
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/* Hack inspired from glibc: don't try the division if nelem and elsize
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* are both less than sqrt(SIZE_MAX). */
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if ((a | b) >= ((size_t)1 << (sizeof(size_t) * 4)) && a && t / a != b)
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return AVERROR(EINVAL);
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*r = t;
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