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Overview
| Comment: | Avoid accessing a single uninitialized byte when moving a rare 3-byte cell from an internal page to a leaf. This was not actually causing a problem, just a valgrind warning. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
6aeece19a235344be2537e66a3fe08b1 |
| User & Date: | dan 2014-12-06 14:56:49 |
Context
|
2014-12-08
| ||
| 18:08 | Add a missing mutex around calls to clear the KeyInfo cache when closing a database connection. check-in: 7047ce32 user: drh tags: trunk | |
| 07:50 | Update this branch with latest trunk changes. check-in: 69a312ad user: dan tags: ota-update | |
|
2014-12-06
| ||
| 14:56 | Avoid accessing a single uninitialized byte when moving a rare 3-byte cell from an internal page to a leaf. This was not actually causing a problem, just a valgrind warning. check-in: 6aeece19 user: dan tags: trunk | |
| 02:05 | Fix a (harmless) uninitialized variable reference in b-tree balancing for auto-vacuumed tables with overflow pages. check-in: dd1dd445 user: drh tags: trunk | |
Changes
Changes to src/btree.c.
6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 |
assert( pOld->hdrOffset==0 );
/* The right pointer of the child page pOld becomes the left
** pointer of the divider cell */
memcpy(apCell[nCell], &pOld->aData[8], 4);
}else{
assert( leafCorrection==4 );
if( szCell[nCell]<4 ){
/* Do not allow any cells smaller than 4 bytes. */
szCell[nCell] = 4;
}
}
nCell++;
}
}
|
| > > > > |
6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 |
assert( pOld->hdrOffset==0 );
/* The right pointer of the child page pOld becomes the left
** pointer of the divider cell */
memcpy(apCell[nCell], &pOld->aData[8], 4);
}else{
assert( leafCorrection==4 );
if( szCell[nCell]<4 ){
/* Do not allow any cells smaller than 4 bytes. If a smaller cell
** does exist, pad it with 0x00 bytes. */
assert( szCell[nCell]==3 );
assert( apCell[nCell]==&pTemp[iSpace1-3] );
pTemp[iSpace1++] = 0x00;
szCell[nCell] = 4;
}
}
nCell++;
}
}
|