1 files changed, 6 insertions, 0 deletions
diff --git a/src/libudev/util.c b/src/libudev/util.c
index 8fec6856e0..5abf6589af 100644
--- a/src/libudev/util.c
+++ b/src/libudev/util.c
@@ -999,6 +999,12 @@ int fd_inc_sndbuf(int fd, size_t n) {
         return 1;
 }
 
+char hexchar(int x) {
+        static const char table[16] = "0123456789abcdef";
+
+        return table[x & 15];
+}
+
 bool in_initrd(void) {
         static __thread int saved = -1;
         struct statfs s;