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-rw-r--r--string.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/string.c b/string.c
index 4540b86f74..dbd6a09dcf 100644
--- a/string.c
+++ b/string.c
@@ -201,6 +201,23 @@ coderange_scan(const char *p, long len, rb_encoding *enc)
return ENC_CODERANGE_VALID;
}
+void
+rb_enc_str_copy(VALUE str1, VALUE str2)
+{
+ rb_enc_copy(str1, str2);
+ if (RSTRING_PTR(str1) == RSTRING_PTR(str2) &&
+ RSTRING_LEN(str1) == RSTRING_LEN(str2)) {
+ ENC_CODERANGE_SET(str1, ENC_CODERANGE(str2));
+ }
+}
+
+void
+rb_enc_cr_str_copy(VALUE str1, VALUE str2)
+{
+ rb_enc_copy(str1, str2);
+ ENC_CODERANGE_SET(str1, ENC_CODERANGE(str2));
+}
+
int
rb_enc_str_coderange(VALUE str)
{
@@ -359,6 +376,7 @@ str_replace_shared(VALUE str2, VALUE str)
RSTRING(str2)->as.heap.aux.shared = str;
FL_SET(str2, ELTS_SHARED);
}
+ rb_enc_cr_str_copy(str2, str);
return str2;
}
@@ -372,10 +390,7 @@ str_new_shared(VALUE klass, VALUE str)
static VALUE
str_new3(VALUE klass, VALUE str)
{
- VALUE str2 = str_new_shared(klass, str);
-
- rb_enc_copy(str2, str);
- return str2;
+ return str_new_shared(klass, str);
}
VALUE