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author | Android Build Merger (Role) <noreply-android-build-merger@google.com> | 2019-01-24 22:56:46 +0000 |
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committer | Android Build Merger (Role) <noreply-android-build-merger@google.com> | 2019-01-24 22:56:46 +0000 |
commit | 6d0e814689a376c409007c8e8f293b8dd59a46aa (patch) | |
tree | ddd50e5d3a9dedfa3e8b863995df4943c1359fca | |
parent | dd8b70395e506a7ce56fca610719f4978815ac80 (diff) | |
parent | 57035e3928d078cf9be2073c938de9b093feff0f (diff) | |
download | tremolo-6d0e814689a376c409007c8e8f293b8dd59a46aa.tar.gz |
[automerger] Add some error/overflow checks in codebook handling am: 6eb63e1192 am: bc4bde3bee am: 632704bab3 am: 9cea7b942e am: 57035e3928
Change-Id: I43a1ac97a52b8c3cb6df55efde357e3a5ba2889d
-rw-r--r-- | Tremolo/codebook.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Tremolo/codebook.c b/Tremolo/codebook.c index 467640d..a06302d 100644 --- a/Tremolo/codebook.c +++ b/Tremolo/codebook.c @@ -376,14 +376,21 @@ long _book_maptype1_quantvals(codebook *b){ long acc=1; long acc1=1; int i; - for(i=0;i<b->dim;i++){ - acc*=vals; - acc1*=vals+1; + for (i = 0; i < b->dim; i++) { + if (acc > b->entries / vals) { + break; + } + acc *= vals; + if (acc1 > LONG_MAX / (vals + 1)) { + acc1 = LONG_MAX; + } else { + acc1 *= (vals + 1); + } } - if(acc<=b->entries && acc1>b->entries){ + if (i >= b->dim && acc <= b->entries && acc1 > b->entries) { return(vals); }else{ - if(acc>b->entries){ + if (i < b->dim || acc > b->entries) { vals--; }else{ vals++; |