From 5e66299f1a9c9879bfb393f639c5827f72282dac Mon Sep 17 00:00:00 2001
From: kosako <kosako@sofnec.co.jp>
Date: Tue, 15 Nov 2016 13:21:40 +0900
Subject: [PATCH] check return value for fopen() #34

---
 src/st.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/st.c b/src/st.c
index 022880a..088afe5 100644
--- a/src/st.c
+++ b/src/st.c
@@ -130,11 +130,13 @@ static int collision = 0;
 static int init_st = 0;
 
 static void
-stat_col()
+stat_col(void)
 {
-    FILE *f = fopen("/tmp/col", "w");
-    fprintf(f, "collision: %d\n", collision);
-    fclose(f);
+  FILE *f = fopen("/tmp/col", "w");
+  if (f == 0) return ;
+
+  fprintf(f, "collision: %d\n", collision);
+  fclose(f);
 }
 #endif
 
-- 
2.40.0