From: Petr Štetiar <ynezz@true.cz>
Date: Thu, 30 May 2019 05:53:26 +0000 (+0200)
Subject: container: fix .dockerenv stat check
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=ade00ca585a49c8478bf60eb24ce385676be37a4;p=oweals%2Fprocd.git

container: fix .dockerenv stat check

applied check wasn't evaluating the existence of the file properly.

Fixes: 7f0f6b2a73f8 ("procd: add docker support")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---

diff --git a/container.h b/container.h
index dd2e432..903e3e8 100644
--- a/container.h
+++ b/container.h
@@ -20,7 +20,8 @@
 
 static inline bool is_container() {
 	struct stat s;
-	return !!getenv("container") || !!stat("/.dockerenv", &s);
+	int r = stat("/.dockerenv", &s);
+	return !!getenv("container") || r == 0;
 }
 
 #endif