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* string.c (str_new4): should share shared instance if it already

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exists.  [ruby-dev:23665]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6429 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-06-05 02:33:01 +00:00
parent dfb79bf51e
commit 4b33ed994b
2 changed files with 7 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Jun 2 20:16:03 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (str_new4): should share shared instance if it already
exists. [ruby-dev:23665]
Wed Jun 2 12:41:53 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (rb_io_gets_m): set lastline ($_) even when read line is

5
string.c
View file

@ -143,9 +143,9 @@ str_new4(klass, str)
RSTRING(str2)->len = RSTRING(str)->len;
RSTRING(str2)->ptr = RSTRING(str)->ptr;
if (FL_TEST(str, ELTS_SHARED) && !RSTRING(str)->aux.shared) {
/* ptr should be null_str */
if (FL_TEST(str, ELTS_SHARED)) {
FL_SET(str2, ELTS_SHARED);
RSTRING(str2)->aux.shared = RSTRING(str)->aux.shared;
}
else {
FL_SET(str, ELTS_SHARED);
@ -165,7 +165,6 @@ rb_str_new4(orig)
klass = rb_obj_class(orig);
if (FL_TEST(orig, ELTS_SHARED) && (str = RSTRING(orig)->aux.shared) && klass == RBASIC(str)->klass) {
long ofs;
str = RSTRING(orig)->aux.shared;
ofs = RSTRING(str)->len - RSTRING(orig)->len;
if (ofs > 0) {
str = str_new3(klass, str);