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-rw-r--r--ext/-test-/string/cstr.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/ext/-test-/string/cstr.c b/ext/-test-/string/cstr.c
new file mode 100644
index 0000000..d4ff360
--- /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);
+}