/* ** If the memory cell contains a string value that must be freed by ** invoking an external callback, free it now. Calling this function ** does not free any Mem.zMalloc buffer. */ void sqlite3VdbeMemReleaseExternal(Mem *p){ assert( p->db==0 || sqlite3_mutex_held(p->db->mutex) ); if( p->flags&MEM_Agg ){ sqlite3VdbeMemFinalize(p, p->u.pDef); assert( (p->flags & MEM_Agg)==0 ); sqlite3VdbeMemRelease(p); }else if( p->flags&MEM_Dyn && p->xDel ){ p->xDel((void *)p->z); p->xDel = 0; } }
/* ** If the memory cell contains a string value that must be freed by ** invoking an external callback, free it now. Calling this function ** does not free any Mem.zMalloc buffer. */ void sqlite3VdbeMemReleaseExternal(Mem *p){ assert( p->db==0 || sqlite3_mutex_held(p->db->mutex) ); if( p->flags&MEM_Agg ){ sqlite3VdbeMemFinalize(p, p->u.pDef); assert( (p->flags & MEM_Agg)==0 ); sqlite3VdbeMemRelease(p); }else if( p->flags&MEM_Dyn && p->xDel ){ assert( (p->flags&MEM_RowSet)==0 ); assert( p->xDel!=SQLITE_DYNAMIC ); p->xDel((void *)p->z); p->xDel = 0; }else if( p->flags&MEM_RowSet ){ sqlite3RowSetClear(p->u.pRowSet); }else if( p->flags&MEM_Frame ){ sqlite3VdbeMemSetNull(p); } }
/* ** Release any memory held by the Mem. This may leave the Mem in an ** inconsistent state, for example with (Mem.z==0) and ** (Mem.type==SQLITE_TEXT). */ void sqlite3VdbeMemRelease(Mem *p){ if( p->flags & (MEM_Dyn|MEM_Agg) ){ if( p->xDel ){ if( p->flags & MEM_Agg ){ sqlite3VdbeMemFinalize(p, *(FuncDef**)&p->i); assert( (p->flags & MEM_Agg)==0 ); sqlite3VdbeMemRelease(p); }else{ p->xDel((void *)p->z); } }else{ sqliteFree(p->z); } p->z = 0; p->xDel = 0; } }
/* ** Release any memory held by the Mem. This may leave the Mem in an ** inconsistent state, for example with (Mem.z==0) and ** (Mem.type==SQLITE_TEXT). */ void sqlite3VdbeMemRelease(Mem *p){ assert( p->db==0 || sqlite3_mutex_held(p->db->mutex) ); if( p->flags & (MEM_Dyn|MEM_Agg) ){ if( p->xDel ){ if( p->flags & MEM_Agg ){ sqlite3VdbeMemFinalize(p, p->u.pDef); assert( (p->flags & MEM_Agg)==0 ); sqlite3VdbeMemRelease(p); }else{ p->xDel((void *)p->z); } }else{ sqlite3_free(p->z); } p->z = 0; p->xDel = 0; } }