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* string.c (rb_str_chomp_bang): avoid unnecessary loop using

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rb_enc_prev_char().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14392 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2007-12-21 04:03:19 +00:00
parent 923d3ea159
commit 3ec3412d83
2 changed files with 7 additions and 6 deletions
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5
ChangeLog
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@ -2,6 +2,11 @@ Fri Dec 21 12:55:39 2007 Tanaka Akira <akr@fsij.org>
* lib/runit, lib/rubyunit.rb, test/testunit/runit: removed. * lib/runit, lib/rubyunit.rb, test/testunit/runit: removed.
Fri Dec 21 12:45:49 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
* string.c (rb_str_chomp_bang): avoid unnecessary loop using
rb_enc_prev_char().
Fri Dec 21 12:32:08 2007 Yukihiro Matsumoto <matz@ruby-lang.org> Fri Dec 21 12:32:08 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
* file.c (Init_File): File.exists? revived. * file.c (Init_File): File.exists? revived.

8
string.c
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@ -4538,12 +4538,8 @@ rb_str_chomp_bang(int argc, VALUE *argv, VALUE str)
if (p[len-1] == newline && if (p[len-1] == newline &&
(rslen <= 1 || (rslen <= 1 ||
memcmp(RSTRING_PTR(rs), pp, rslen) == 0)) { memcmp(RSTRING_PTR(rs), pp, rslen) == 0)) {
if (rb_enc_mbmaxlen(enc) > 1) { if (ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,p,pp) != (const UChar*)pp)
while (p < pp) { return Qnil;
p += rb_enc_mbclen(p, e, enc);
}
if (p != pp) return Qnil;
}
rb_str_modify(str); rb_str_modify(str);
STR_SET_LEN(str, RSTRING_LEN(str) - rslen); STR_SET_LEN(str, RSTRING_LEN(str) - rslen);
RSTRING_PTR(str)[RSTRING_LEN(str)] = '\0'; RSTRING_PTR(str)[RSTRING_LEN(str)] = '\0';