add new hexchar() call

2 files changed, 8 insertions, 0 deletions

diff --git a/util.c b/util.c
index 654b93d79c..b166f328b2 100644
--- a/util.c
+++ b/util.c
@@ -547,3 +547,9 @@ char *file_in_same_dir(const char *path, const char *filename) {
 
         return r;
 }
+
+char hexchar(int x) {
+        static const char table[16] = "0123456789abcdef";
+
+        return table[x & 15];
+}
diff --git a/util.h b/util.h
index c3d3aad7b9..fcf380031d 100644
--- a/util.h
+++ b/util.h
@@ -105,4 +105,6 @@ int reset_all_signal_handlers(void);
 char *strstrip(char *s);
 char *file_in_same_dir(const char *path, const char *filename);
 
+char hexchar(int x);
+
 #endif