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Fix unregistered bug (segfault on uninitialised pointer)

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Return string("0 ") from ibase_query() if query succeeded but did not affect any rows
This commit is contained in:
Ard Biesheuvel 2004-05-30 17:51:19 +00:00
parent e54165e406
commit 18fa78842d
1 changed files with 12 additions and 4 deletions
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16
ext/interbase/ibase_query.c
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@ -307,6 +307,8 @@ static int _php_ibase_alloc_query(ibase_query *ib_query, ibase_db_link *link, /*
ib_query->dialect = dialect;
ib_query->query = estrdup(query);
ib_query->trans_res_id = trans_res_id;
ib_query->out_sqlda = NULL;
ib_query->in_sqlda = NULL;
if (isc_dsql_allocate_statement(IB_STATUS, &link->handle, &ib_query->stmt)) {
_php_ibase_error(TSRMLS_C);
@ -989,10 +991,16 @@ static int _php_ibase_exec(INTERNAL_FUNCTION_PARAMETERS, ibase_result **ib_resul
i += len+3;
}
}
if (affected_rows > 0) {
ib_query->trans->affected_rows = affected_rows;
RETVAL_LONG(affected_rows);
break;
ib_query->trans->affected_rows = affected_rows;
if (!ib_query->out_sqlda) { /* no result set is being returned */
if (affected_rows) {
RETVAL_LONG(affected_rows);
} else {
/* this return value evaluates to bool(true) and to int(0) */
RETVAL_STRINGL("0 ",2,1);
}
}
default: