From 7a6113d6b683ab671e2476910962fbfd5e689617 Mon Sep 17 00:00:00 2001 From: nobu Date: Mon, 24 Jan 2011 22:00:55 +0000 Subject: * string.c (rb_string_value_cstr): rb_str_modify can change RSTRING_PTR. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30648 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/-test-/string/cstr.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 ext/-test-/string/cstr.c (limited to 'ext/-test-/string') diff --git a/ext/-test-/string/cstr.c b/ext/-test-/string/cstr.c new file mode 100644 index 0000000000..d4ff360575 --- /dev/null +++ b/ext/-test-/string/cstr.c @@ -0,0 +1,20 @@ +#include "ruby.h" + +static VALUE +bug_str_cstr_term(VALUE str) +{ + long len; + char *s; + rb_str_modify(str); + len = RSTRING_LEN(str); + RSTRING_PTR(str)[len] = 'x'; + s = StringValueCStr(str); + rb_gc(); + return INT2NUM(s[len]); +} + +void +Init_cstr(VALUE klass) +{ + rb_define_method(klass, "cstr_term", bug_str_cstr_term, 0); +} -- cgit v1.2.3