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libtags: wav: do not div by zero

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Sigrid Solveig Haflínudóttir 2022-03-30 20:51:03 +00:00
parent 7f2e622965
commit 2cdd31f8f4
1 changed files with 2 additions and 0 deletions
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2
sys/src/cmd/audio/libtags/wav.c
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@ -59,6 +59,8 @@ tagwav(Tagctx *ctx)
csz -= 16;
ctx->channels = le16u(d+2);
ctx->samplerate = leuint(d+4);
if(ctx->channels < 1 || ctx->samplerate < 1)
return -1;
ctx->duration = sz*1000 / leuint(d+8);
}else if(memcmp(d, "LIST", 4) == 0){
sz = csz - 4;