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Overview
| Comment: | Make sure sqlite3_value_dup() works correctly even for sqlite3_value objects that are marked SQLITE_STATIC. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | value-dup |
| Files: | files | file ages | folders |
| SHA1: |
f332ffc39b7a17fd6254d8dc699293a5 |
| User & Date: | drh 2015-05-22 21:04:54 |
Context
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2015-05-22
| ||
| 21:12 | Add the sqlite3_value_dup() and sqlite3_value_free() interfaces. Use these interfaces to enhance R-Tree to add the sqlite3_rtree_query_info.apSqlParam field. check-in: c1814242 user: drh tags: trunk | |
| 21:04 | Make sure sqlite3_value_dup() works correctly even for sqlite3_value objects that are marked SQLITE_STATIC. Closed-Leaf check-in: f332ffc3 user: drh tags: value-dup | |
| 19:55 | Fix minor issues with the sqlite3_value_dup() interface. check-in: 95edcf50 user: drh tags: value-dup | |
Changes
Changes to src/vdbeapi.c.
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pNew = sqlite3_malloc( sizeof(*pNew) );
if( pNew==0 ) return 0;
memset(pNew, 0, sizeof(*pNew));
memcpy(pNew, pOrig, MEMCELLSIZE);
pNew->flags &= ~MEM_Dyn;
pNew->db = 0;
if( pNew->flags&(MEM_Str|MEM_Blob) ){
if( 0==(pOrig->flags&MEM_Static) ){
pNew->flags |= MEM_Ephem;
if( sqlite3VdbeMemMakeWriteable(pNew)!=SQLITE_OK ){
sqlite3ValueFree(pNew);
pNew = 0;
}
}
}
return pNew;
}
/* Destroy an sqlite3_value object previously obtained from
** sqlite3_value_dup().
|
| | | | | < |
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pNew = sqlite3_malloc( sizeof(*pNew) );
if( pNew==0 ) return 0;
memset(pNew, 0, sizeof(*pNew));
memcpy(pNew, pOrig, MEMCELLSIZE);
pNew->flags &= ~MEM_Dyn;
pNew->db = 0;
if( pNew->flags&(MEM_Str|MEM_Blob) ){
pNew->flags &= ~(MEM_Static|MEM_Dyn);
pNew->flags |= MEM_Ephem;
if( sqlite3VdbeMemMakeWriteable(pNew)!=SQLITE_OK ){
sqlite3ValueFree(pNew);
pNew = 0;
}
}
return pNew;
}
/* Destroy an sqlite3_value object previously obtained from
** sqlite3_value_dup().
|