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Test a var for overflow just after it is set

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Originally committed as revision 15223 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-09-06 11:46:29 +00:00
parent a90fbeec2a
commit 4fdb41a84b
1 changed files with 2 additions and 2 deletions
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4
libavcodec/ra144.c
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@ -251,11 +251,11 @@ static int eval_refl(int *refl, const int16_t *coefs, RA144Context *ractx)
for (j=0; j <= i; j++)
bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * (0x1000000 / b)) >> 12;
refl[i] = bp1[i];
if ((unsigned) bp1[i] + 0x1000 > 0x1fff)
return 1;
refl[i] = bp1[i];
FFSWAP(int *, bp1, bp2);
}
return 0;