From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 14 Jul 2019 14:41:36 +0000 (-0400)
Subject: debugfs: clean up gcc -Wall warning from using snprintf
X-Git-Tag: v1.45.3~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b96524174f31490d59e4d6ba77b1e2e34be950d;p=thirdparty%2Fe2fsprogs.git

debugfs: clean up gcc -Wall warning from using snprintf

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/debugfs/ls.c b/debugfs/ls.c
index 4f63bd3fd..ae8b2d39d 100644
--- a/debugfs/ls.c
+++ b/debugfs/ls.c
@@ -54,11 +54,8 @@ static int print_filename(FILE *f, struct ext2_dir_entry *dirent, int options)
 	if ((options & ENCRYPT_OPT) && !(options & RAW_OPT)) {
 		if (f)
 			return fprintf(f, "<encrypted (%d)>", len);
-		else {
-			char tmp[1];
-			return snprintf(tmp, sizeof(tmp),
-					"<encrypted (%d)>", len);
-		}
+		else
+			return snprintf(NULL, 0, "<encrypted (%d)>", len);
 	}
 	while (len--) {
 		ch = *cp++;