From 2e918d33be152c1a57ffb3ff53e344cafb161a8c Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Tue, 21 Sep 2021 18:47:28 -0400
Subject: util: New xfopen() utility

And use it to pass O_CLOEXEC to all FILE*'s, so the files opened for
-fprint etc. don't get passed to the programs run by -exec etc.
---
 mtab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mtab.c')

diff --git a/mtab.c b/mtab.c
index 91a40aa..cb6a59a 100644
--- a/mtab.c
+++ b/mtab.c
@@ -162,7 +162,7 @@ struct bfs_mtab *bfs_mtab_parse() {
 
 #elif BFS_MNTTAB
 
-	FILE *file = fopen(MNTTAB, "r");
+	FILE *file = xfopen(MNTTAB, O_RDONLY | O_CLOEXEC);
 	if (!file) {
 		error = errno;
 		goto fail;
-- 
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