From 9b0b7264a8d7a6a2abe681d15fefc88c27d20c1e Mon Sep 17 00:00:00 2001
From: Jian Yu <yujian@whamcloud.com>
Date: Thu, 9 Dec 2021 12:00:36 -0800
Subject: [PATCH] LU-15220 utils: fix gcc-11 -Werror=format-truncation= error
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This patch fixes the following -Werror=format-truncation= error in
liblustreapi.c:

liblustreapi.c: In function ‘lov_dump_comp_v1’:
liblustreapi.c:3673:57: error: ‘snprintf’ output may be truncated
before the last format character [-Werror=format-truncation=]
 3673 |                 snprintf(pool_name, LOV_MAXPOOLNAME, "%s",
      |                                                         ^

Change-Id: I55c3e05a933ff3d2c33a71ed269fffe63797b528
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/45815
Reviewed-by: James Simmons <jsimmons@infradead.org>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Sergey Cheremencev <sergey.cheremencev@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 lustre/utils/liblustreapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lustre/utils/liblustreapi.c b/lustre/utils/liblustreapi.c
index b55e51c..ca5debe 100644
--- a/lustre/utils/liblustreapi.c
+++ b/lustre/utils/liblustreapi.c
@@ -3670,7 +3670,7 @@ static inline void
 lov_v1v3_pool_name(struct lov_user_md *v1, char *pool_name)
 {
 	if (v1->lmm_magic == LOV_USER_MAGIC_V3)
-		snprintf(pool_name, LOV_MAXPOOLNAME, "%s",
+		snprintf(pool_name, LOV_MAXPOOLNAME + 1, "%s",
 			 ((struct lov_user_md_v3 *)v1)->lmm_pool_name);
 	else
 		pool_name[0] = '\0';
-- 
1.8.3.1