about summary refs log tree commit homepage
path: root/ext/unicorn_http/c_util.h
diff options
context:
space:
mode:
Diffstat (limited to 'ext/unicorn_http/c_util.h')
-rw-r--r--ext/unicorn_http/c_util.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/unicorn_http/c_util.h b/ext/unicorn_http/c_util.h
index 04fd05d..0ab9b31 100644
--- a/ext/unicorn_http/c_util.h
+++ b/ext/unicorn_http/c_util.h
@@ -56,7 +56,7 @@ static int hexchar2int(int xdigit)
     return xdigit - 'a' + 10;
 
   /* Ragel already does runtime range checking for us in Unicorn: */
-  assert(xdigit >= '0' && xdigit <= '9');
+  assert(xdigit >= '0' && xdigit <= '9' && "invalid digit character");
 
   return xdigit - '0';
 }