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Fix an instance of signed arithmetic overflow and an one bit-shift overflow.

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Mark six other signed arithmetic overflow locations that need fixing.

FossilOrigin-Name: 04abab71ecd52f6070b9f84781a3df3d6dba7722
This commit is contained in:
drh
2011-03-05 13:54:15 +00:00
parent 92e4feb74c
commit cfd654bf2a
12 changed files with 33 additions and 27 deletions
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4
src/util.c
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@@ -475,9 +475,9 @@ do_atoi_calc:
zStart = zNum;
while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
v = v*10 + c - '0';
v = v*10 + c - '0'; /* CLANG */
}
*pNum = neg ? -v : v;
*pNum = neg ? -v : v; /* CLANG */
testcase( i==18 );
testcase( i==19 );
testcase( i==20 );