--- a/dav/libxattr.c	Wed May 30 11:26:28 2018 +0200
+++ b/dav/libxattr.c	Wed May 30 12:10:58 2018 +0200
@@ -43,7 +43,7 @@
 #define ATTR_BUF_LEN 1024
 
 #define ARRAY_ADD(array, pos, len, obj) if(pos >= len) { \
-        len *= 2; \
+        len *= 2; /* TODO: missing error handling for realloc() */ \
         array = realloc(array, len * sizeof(char*)); \
     } \
     array[pos] = obj; \