diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-01-01 05:16:49 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-01-01 05:16:49 +0000 |
commit | 96e7713754c477fe98806b905301356371accb68 (patch) | |
tree | 7cdff8af89fc3d7cf2f22b7329c62f396dc0cb22 /string.c | |
parent | 5e22f599825af9fa2134c91932a16815fc1e09e7 (diff) | |
download | ruby-96e7713754c477fe98806b905301356371accb68.tar.gz |
* string.c (rb_str_substr): offset movement bug. a patch 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
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -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); + while (beg-- > len && (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); + while (len-- > 0 && (p = rb_enc_prev_char(s, p, enc)) != 0); if (!p) return Qnil; len = e - p; goto sub; |