file.c: skip invalid byte

* file.c (rb_str_normalize_ospath): skip invalid byte sequence not
  to loop infinitely.  this case usually does not happen as the
  input name should come from real file systems.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/file.c b/file.c
index 96b89e55c1..1adbe76802 100644
--- a/file.c
+++ b/file.c
@@ -294,6 +294,8 @@ rb_str_normalize_ospath(const char *ptr, long len)
 	    rb_str_append(str, rb_str_normalize_ospath0(p1, p-p1));
 	    rb_str_cat2(str, "\xEF\xBF\xBD");
 	    p += 1;
+	    p1 = p;
+	    continue;
 	}
 	l = MBCLEN_CHARFOUND_LEN(r);
 	c = rb_enc_mbc_to_codepoint(p, e, enc);