* string.c (rb_str_each_line): don't call rb_enc_codepoint with empty

  string.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@14688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index b06c2f5b8..aaf14468a 100644
--- a/string.c
+++ b/string.c
@@ -4310,7 +4310,7 @@ rb_str_each_line(int argc, VALUE *argv, VALUE str)
 	int n = rb_enc_codelen(c, enc);
 
 	if (rslen == 0 && c == newline) {
-	    while (rb_enc_codepoint(p, pend, enc) == newline) {
+	    while (p < pend && rb_enc_codepoint(p, pend, enc) == newline) {
 		p += n;
 	    }
 	    p -= n;