fix memory leak in onig_unicode_define_user_property()

diff --git a/src/unicode.c b/src/unicode.c
index 1aa375bc1f746e05689f6c2eadc53428a28dec06..8812ca2fd0f308633973e3ad9592a50056707a41 100644 (file)
--- a/src/unicode.c
+++ b/src/unicode.c
@@ -111,8 +111,10 @@ onig_unicode_define_user_property(const char* name, OnigCodePoint* ranges)
   n = 0;
   for (i = 0; i < len; i++) {
     c = name[i];
-    if (c <= 0 || c >= 0x80)
+    if (c <= 0 || c >= 0x80) {
+      xfree(s);
       return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
+    }
 
     if (c != ' ' && c != '-' && c != '_') {
       s[n] = c;