bug report: vspidx_check_rtree and vspidx_find_rtree will be into dead loop when sqlite3_step return error

[bo yang]

while (1)

{

/* scrolling the result set rows */

ret = sqlite3_step (stmt);

if (ret == SQLITE_DONE)

break; /* end of result set */

if (ret == SQLITE_ROW)

{

const char *v = (const char *) sqlite3_column_text (stmt, 0);

int len = sqlite3_column_bytes (stmt, 0);

if (rt)

free (rt);

rt = malloc (len + 1);

strcpy (rt, v);

v = (const char *) sqlite3_column_text (stmt, 1);

len = sqlite3_column_bytes (stmt, 1);

if (rg)

free (rg);

rg = malloc (len + 1);

strcpy (rg, v);

count++;

}

else

{

// ------------bug fix ----------------

if (rg != NULL)

free (rg);

if (rt != NULL)

free (rt);

sqlite3_finalize (stmt);

return 0;

}

}