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-rw-r--r--regparse.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/regparse.h b/regparse.h
index fbe5a251a6..e1a00ddfda 100644
--- a/regparse.h
+++ b/regparse.h
@@ -100,7 +100,7 @@
#define NSTR_AMBIG (1<<1)
#define NSTR_DONT_GET_OPT_INFO (1<<2)
-#define NSTRING_LEN(node) ((node)->u.str.end - (node)->u.str.s)
+#define NSTRING_LEN(node) (OnigDistance)((node)->u.str.end - (node)->u.str.s)
#define NSTRING_SET_RAW(node) (node)->u.str.flag |= NSTR_RAW
#define NSTRING_CLEAR_RAW(node) (node)->u.str.flag &= ~NSTR_RAW
#define NSTRING_SET_AMBIG(node) (node)->u.str.flag |= NSTR_AMBIG