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Overview
| Comment: | Avoid integer overflow when computing the array of a bounding box with the rtree_i32 virtual table. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
b352f1590d20a574b0681e011ececcf4 |
| User & Date: | drh 2019-01-18 18:52:17 |
Context
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2019-01-18
| ||
| 19:26 | Fix problems causing undefined left-shift operations in the fts3 snippet() function. check-in: b90dbaed user: dan tags: trunk | |
| 18:52 | Avoid integer overflow when computing the array of a bounding box with the rtree_i32 virtual table. check-in: b352f159 user: drh tags: trunk | |
| 17:53 | Handle oversize floating point values carefully when converting to integers for the '%' binary operator. check-in: 048add13 user: drh tags: trunk | |
Changes
Changes to ext/rtree/rtree.c.
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case 2: area *= p->aCoord[3].f - p->aCoord[2].f;
default: area *= p->aCoord[1].f - p->aCoord[0].f;
}
}else
#endif
{
switch( pRtree->nDim ){
case 5: area = p->aCoord[9].i - p->aCoord[8].i;
case 4: area *= p->aCoord[7].i - p->aCoord[6].i;
case 3: area *= p->aCoord[5].i - p->aCoord[4].i;
case 2: area *= p->aCoord[3].i - p->aCoord[2].i;
default: area *= p->aCoord[1].i - p->aCoord[0].i;
}
}
return area;
}
/*
** Return the margin length of cell p. The margin length is the sum
|
| | | | | |
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 |
case 2: area *= p->aCoord[3].f - p->aCoord[2].f;
default: area *= p->aCoord[1].f - p->aCoord[0].f;
}
}else
#endif
{
switch( pRtree->nDim ){
case 5: area = (i64)p->aCoord[9].i - (i64)p->aCoord[8].i;
case 4: area *= (i64)p->aCoord[7].i - (i64)p->aCoord[6].i;
case 3: area *= (i64)p->aCoord[5].i - (i64)p->aCoord[4].i;
case 2: area *= (i64)p->aCoord[3].i - (i64)p->aCoord[2].i;
default: area *= (i64)p->aCoord[1].i - (i64)p->aCoord[0].i;
}
}
return area;
}
/*
** Return the margin length of cell p. The margin length is the sum
|