From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Fri, 30 Jan 2026 07:27:45 +0000 (+0200)
Subject: lib-sql/driver-sqlite: Ensure tail is handled correctly in driver_sqlite_statement_init()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01b1bd0c46b54f85bf6d27b03e7581873a6905c1;p=thirdparty%2Fdovecot%2Fcore.git

lib-sql/driver-sqlite: Ensure tail is handled correctly in driver_sqlite_statement_init()

This is not likely to happen, but satisfies static analysis.
---

diff --git a/src/lib-sql/driver-sqlite.c b/src/lib-sql/driver-sqlite.c
index 594358f49a..c51ada8756 100644
--- a/src/lib-sql/driver-sqlite.c
+++ b/src/lib-sql/driver-sqlite.c
@@ -575,6 +575,7 @@ driver_sqlite_statement_init(struct sql_db *_db, const char *query_template)
 
 	if (driver_sqlite_connect(_db) < 0) {
 		stmt->rc = db->connect_rc;
+		tail = NULL;
 	} else {
 		stmt->rc = sqlite3_prepare_v2(db->sqlite, query_template, -1,
 					&stmt->handle, &tail);
@@ -583,7 +584,7 @@ driver_sqlite_statement_init(struct sql_db *_db, const char *query_template)
 		stmt->error = p_strdup(pool,
 				       driver_sqlite_result_str(_db,
 								stmt->rc));
-	} else if (*tail != '\0') {
+	} else if (tail != NULL && *tail != '\0') {
 		stmt->error = p_strdup_printf(stmt->api.pool, "'%s' unparsed",
 					      tail);
 		stmt->rc = SQLITE_ERROR;