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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-01-01 05:16:49 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-01-01 05:16:49 +0000
commit96e7713754c477fe98806b905301356371accb68 ()
tree7cdff8af89fc3d7cf2f22b7329c62f396dc0cb22
parent5e22f599825af9fa2134c91932a16815fc1e09e7 (diff)
* string.c (rb_str_substr): offset movement bug. a from
Vincent Isambart <vincent.isambart at gmail.com> in [ruby-core:14647]. [ruby-core:14644] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog6
-rw-r--r--string.c4
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,9 @@
Tue Jan 1 01:29:04 2008 Nobuyoshi Nakada <[email protected]>
* encoding.c (rb_to_encoding): raises for non-nil, non-encoding,
@@ -832,10 +832,10 @@ rb_str_substr(VALUE str, long beg, long len)
if (len > -beg) len = -beg;
if (-beg * rb_enc_mbmaxlen(enc) < RSTRING_LEN(str) / 8) {
beg = -beg;
- while (len++ < beg && (e = rb_enc_prev_char(s, e, enc)) != 0);
p = e;
if (!p) return Qnil;
- while (beg-- > 0 && (p = rb_enc_prev_char(s, p, enc)) != 0);
if (!p) return Qnil;
len = e - p;
goto sub;