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misc.c format_sound_value guard division by zero

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Change-Id: I7085cb34d2258aa5fc7e04fc0e73d6f733810038
This commit is contained in:
William Wilgus 2021-08-03 22:41:04 -04:00 • committed by William Wilgus
parent 848633f921
commit d57900ae12
1 changed files with 5 additions and 0 deletions
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5
apps/misc.c
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@ -1049,6 +1049,11 @@ int format_sound_value(char *buf, size_t size, int snd, int val)
int physval = sound_val2phys(snd, val); int physval = sound_val2phys(snd, val);
unsigned int factor = ipow(10, numdec); unsigned int factor = ipow(10, numdec);
if (factor == 0)
{
DEBUGF("DIVISION BY ZERO: format_sound_value s:%d v:%d", snd, val);
factor = 1;
}
unsigned int av = abs(physval); unsigned int av = abs(physval);
unsigned int i = av / factor; unsigned int i = av / factor;
unsigned int d = av - i*factor; unsigned int d = av - i*factor;