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string.c: fix rb_external_str_new_with_enc

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* string.c (rb_external_str_new_with_enc): do not search non-ascii
  by NULL pointer.  [ruby-core:84055] [Bug #14150]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-12-02 07:09:16 +00:00
parent f32bf7e678
commit a1692f7fdf
3 changed files with 36 additions and 0 deletions
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21
ext/-test-/string/new.c Normal file
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@ -0,0 +1,21 @@
#include "ruby.h"
#include "ruby/encoding.h"
VALUE
bug_str_buf_new(VALUE self, VALUE len)
{
return rb_str_buf_new(NUM2LONG(len));
}
VALUE
bug_external_str_new(VALUE self, VALUE len, VALUE enc)
{
return rb_external_str_new_with_enc(NULL, NUM2LONG(len), rb_to_encoding(enc));
}
void
Init_new(VALUE klass)
{
rb_define_singleton_method(klass, "buf_new", bug_str_buf_new, 1);
rb_define_singleton_method(klass, "external_new", bug_external_str_new, 2);
}