1 files changed, 1 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
index d854f76..a94cf16 100644
--- a/src/util.h
+++ b/src/util.h
@@ -32,6 +32,7 @@ int util_const_eq(const void *a, const void *b, size_t n);
 int64_t util_now(void);
 void util_iso8601(int64_t t, char *buf, size_t n);
 char *util_str_trim(char *s);
+int util_hex_color_valid(const char *s);
 int util_parse_iso_date(const char *s);
 
 /* base64 (standard alphabet, padding required) */