From 3a992381838708a04dd801ed97dc644ed57ae936 Mon Sep 17 00:00:00 2001
From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
Date: Sun, 8 Jun 2025 11:44:01 +0200
Subject: [PATCH 1/2] pdo_dblib: Use stack local array instead of heap
 allocation

---
 ext/pdo_dblib/dblib_driver.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/ext/pdo_dblib/dblib_driver.c b/ext/pdo_dblib/dblib_driver.c
index 0055dcb03b3c5..8c5f9fb09d694 100644
--- a/ext/pdo_dblib/dblib_driver.c
+++ b/ext/pdo_dblib/dblib_driver.c
@@ -233,9 +233,8 @@ zend_string *dblib_handle_last_id(pdo_dbh_t *dbh, const zend_string *name)
 	pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
 
 	RETCODE ret;
-	char *id = NULL;
+	BYTE id[32];
 	size_t len;
-	zend_string *ret_id;
 
 	/*
 	 * Would use scope_identity() but it's not implemented on Sybase
@@ -267,13 +266,10 @@ zend_string *dblib_handle_last_id(pdo_dbh_t *dbh, const zend_string *name)
 		return NULL;
 	}
 
-	id = emalloc(32);
 	len = dbconvert(NULL, (dbcoltype(H->link, 1)) , (dbdata(H->link, 1)) , (dbdatlen(H->link, 1)), SQLCHAR, (BYTE *)id, (DBINT)-1);
 	dbcancel(H->link);
 
-	ret_id = zend_string_init(id, len, 0);
-	efree(id);
-	return ret_id;
+	return zend_string_init(id, len, 0);
 }
 
 static bool dblib_set_attr(pdo_dbh_t *dbh, zend_long attr, zval *val)

From 93b1bc0929284d50e2a6c0e85f8527b41946d25a Mon Sep 17 00:00:00 2001
From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
Date: Sun, 8 Jun 2025 13:03:41 +0200
Subject: [PATCH 2/2] fix warning

---
 ext/pdo_dblib/dblib_driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/pdo_dblib/dblib_driver.c b/ext/pdo_dblib/dblib_driver.c
index 8c5f9fb09d694..132e5c2e4dee1 100644
--- a/ext/pdo_dblib/dblib_driver.c
+++ b/ext/pdo_dblib/dblib_driver.c
@@ -269,7 +269,7 @@ zend_string *dblib_handle_last_id(pdo_dbh_t *dbh, const zend_string *name)
 	len = dbconvert(NULL, (dbcoltype(H->link, 1)) , (dbdata(H->link, 1)) , (dbdatlen(H->link, 1)), SQLCHAR, (BYTE *)id, (DBINT)-1);
 	dbcancel(H->link);
 
-	return zend_string_init(id, len, 0);
+	return zend_string_init((const char *) id, len, 0);
 }
 
 static bool dblib_set_attr(pdo_dbh_t *dbh, zend_long attr, zval *val)