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Fix minor problems with passing NULL pointers to memcmp() and memcpy() found by -fsanitize=undefined.

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FossilOrigin-Name: 0b06ce6d8e7cff5cd5d467a94522dfef5593d7c26663ce03c2c2b663a2641551
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dan
2018-03-23 16:31:34 +00:00
parent 4aafe5957d
commit 3f2cebb6b4
4 changed files with 15 additions and 13 deletions
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2
ext/session/sqlite3session.c
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@ -839,7 +839,7 @@ static int sessionPreupdateEqual(
}else{
z = sqlite3_value_blob(pVal);
}
if( memcmp(a, z, n) ) return 0;
if( n>0 && memcmp(a, z, n) ) return 0;
a += n;
}
}