From: Darren Tucker <dtucker@dtucker.net>
Date: Tue, 9 May 2023 07:13:33 +0000 (+1000)
Subject: Suppress warning for snprintf truncation test.
X-Git-Tag: V_9_4_P1~76
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fbb7a1349fbbb48ccb1b8cafff2c1854370d87d;p=thirdparty%2Fopenssh-portable.git

Suppress warning for snprintf truncation test.
---

diff --git a/openbsd-compat/regress/snprintftest.c b/openbsd-compat/regress/snprintftest.c
index a3134db1c..87b72ca38 100644
--- a/openbsd-compat/regress/snprintftest.c
+++ b/openbsd-compat/regress/snprintftest.c
@@ -25,6 +25,9 @@
 #include <stdarg.h>
 #include <string.h>
 
+/* Suppress format truncation warning since we're explicitly testing that. */
+#pragma GCC diagnostic ignored "-Wformat-truncation"
+
 static int failed = 0;
 
 static void
@@ -50,9 +53,11 @@ main(void)
 {
 	char b[5];
 	char *src = NULL;
+	int ret;
 
-	snprintf(b,5,"123456789");
-	if (b[4] != '\0')
+	memset(b, 'X', sizeof(b));
+	ret = snprintf(b, 5, "123456789");
+	if (ret != 9 || b[4] != '\0')
 		fail("snprintf does not correctly terminate long strings");
 
 	/* check for read overrun on unterminated string */