Check for readdir() errors everywhere.

1 files changed, 6 insertions, 0 deletions

diff --git a/util.h b/util.h
index c3b3dbe..fbcadbd 100644
--- a/util.h
+++ b/util.h
@@ -12,9 +12,15 @@
 #ifndef BFS_UTIL_H
 #define BFS_UTIL_H
 
+#include <dirent.h>
 #include <stdbool.h>
 
 /**
+ * readdir() wrapper that makes error handling cleaner.
+ */
+int xreaddir(DIR *dir, struct dirent **de);
+
+/**
  * Check if a file descriptor is open.
  */
 bool isopen(int fd);