* string.c (rb_str_usascii_new{,2}: defined.

  (rb_str_new): set US-ASCII and ENC_CODERANGE_7BIT when empty
  string.

* encoding.c (rb_usascii_encoding, rb_usascii_encindex): defined.
  (rb_enc_inspect, enc_name, rb_locale_charmap, rb_enc_name_list_i):
  use rb_str_ascii_new.

* array.c (recursive_join, inspect_ary): ditto.

* object.c (nil_to_s, nil_inspect, true_to_s, false_to_s,
  rb_mod_to_s): ditto.

* hash.c (inspect_hash, rb_hash_inspect, rb_f_getenv, env_fetch,
  env_clear, env_to_s, env_inspect): ditto.

* numeric.c (flo_to_s, int_chr, rb_fix2str): ditto.

* bignum.c (rb_big2str): ditto.

* file.c (rb_file_ftype, rb_file_s_dirname, rb_file_s_extname,
  file_inspect_join, Init_file): ditto.

* test/ruby/test_ruby_m17n.rb: add checks for encoding of string.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 21 insertions, 0 deletions

diff --git a/string.c b/string.c
index 1391ac3164..684f88025a 100644
--- a/string.c
+++ b/string.c
@@ -278,6 +278,9 @@ str_new(VALUE klass, const char *ptr, long len)
     if (ptr) {
 	memcpy(RSTRING_PTR(str), ptr, len);
     }
+    else {
+	ENCODING_CODERANGE_SET(str, rb_usascii_encindex(), ENC_CODERANGE_7BIT);
+    }
     STR_SET_LEN(str, len);
     RSTRING_PTR(str)[len] = '\0';
     return str;
@@ -290,6 +293,15 @@ rb_str_new(const char *ptr, long len)
 }
 
 VALUE
+rb_usascii_str_new(const char *ptr, long len)
+{
+    VALUE str = str_new(rb_cString, ptr, len);
+
+    ENCODING_CODERANGE_SET(str, rb_usascii_encindex(), ENC_CODERANGE_7BIT);
+    return str;
+}
+
+VALUE
 rb_enc_str_new(const char *ptr, long len, rb_encoding *enc)
 {
     VALUE str = str_new(rb_cString, ptr, len);
@@ -308,6 +320,15 @@ rb_str_new2(const char *ptr)
 }
 
 VALUE
+rb_usascii_str_new2(const char *ptr)
+{
+    if (!ptr) {
+	rb_raise(rb_eArgError, "NULL pointer given");
+    }
+    return rb_usascii_str_new(ptr, strlen(ptr));
+}
+
+VALUE
 rb_tainted_str_new(const char *ptr, long len)
 {
     VALUE str = rb_str_new(ptr, len);