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* io.c (io_strsetbuf): call rb_str_modify to make str independent

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before calling rb_str_set_len for r34580.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34624 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2012-02-15 08:45:15 +00:00
parent ff4c13688e
commit 7eed0ca619
2 changed files with 9 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Feb 15 17:41:31 2012 NARUSE, Yui <naruse@ruby-lang.org>
* io.c (io_strsetbuf): call rb_str_modify to make str independent
before calling rb_str_set_len for r34580.
Wed Feb 15 12:30:10 2012 Eric Hodel <drbrain@segment7.net>
* ext/zlib/zlib.c (Init_zlib): Added Zlib::TEXT and note that

5
io.c
View File

@ -2084,7 +2084,10 @@ io_setstrbuf(VALUE *str, long len)
VALUE s = StringValue(*str);
long clen = RSTRING_LEN(s);
if (clen >= len) {
if (clen != len) rb_str_set_len(s, len);
if (clen != len) {
rb_str_modify(s);
rb_str_set_len(s, len);
}
return;
}
len -= clen;