From a7e08e893eb796637ca2c53cd32a529f453ace12 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Mon, 14 Nov 2016 22:40:40 -0500
Subject: Check for readdir() errors everywhere.

---
 util.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index e0f6177..aef5fbb 100644
--- a/util.c
+++ b/util.c
@@ -17,6 +17,16 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+int xreaddir(DIR *dir, struct dirent **de) {
+	errno = 0;
+	*de = readdir(dir);
+	if (!*de && errno != 0) {
+		return -1;
+	} else {
+		return 0;
+	}
+}
+
 bool isopen(int fd) {
 	return fcntl(fd, F_GETFD) >= 0 || errno != EBADF;
 }
-- 
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