* string.c (rb_str_inspect): NUL should not be represented as

  "\0" when octal digits may follow.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/string.c b/string.c
index 83502a917d..ce9cce03d1 100644
--- a/string.c
+++ b/string.c
@@ -4572,7 +4572,11 @@ rb_str_inspect(VALUE str)
 	    }
 	}
 	switch (c) {
-	  case '\0': cc = '0'; break;
+	  case '\0':
+	    if (p - n > prev) str_buf_cat(result, prev, p - n - prev);
+	    str_buf_cat(result, "\\000", 4);
+	    prev = p;
+	    continue;
 	  case '\n': cc = 'n'; break;
 	  case '\r': cc = 'r'; break;
 	  case '\t': cc = 't'; break;