From 7ef7501c22f91a3793b46edbdad10ea6fa8115fd Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 17 Oct 2016 15:10:51 +0200
Subject: [PATCH] Avoid warnings on unused result of fscanf()

---
 cgroup.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/cgroup.c b/cgroup.c
index c2b0b17..4ed8872 100644
--- a/cgroup.c
+++ b/cgroup.c
@@ -133,9 +133,9 @@ cgroup_get_mem_limit(const char *chier, const char *cgroup)
 		return -1;
 	}
 	size_t nlimit = 0;
-	fscanf(limit, "%zu", &nlimit);
+	int ok = fscanf(limit, "%zu", &nlimit);
 	fclose(limit);
-	return nlimit;
+	return ok ? nlimit : 0;
 }
 
 static int
@@ -198,7 +198,7 @@ cgroup_get_mem_usage(const char *chier, const char *cgroup)
 		return -1;
 	}
 	size_t nusage = 0;
-	fscanf(usage, "%zu", &nusage);
+	int ok = fscanf(usage, "%zu", &nusage);
 	fclose(usage);
-	return nusage;
+	return ok ? nusage : 0;
 }
-- 
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