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* range.c (rb_range_beg_len): returns Qnil only when "beg" points

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outside of a range.  No boundary check for "end".


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6692 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-07-24 09:48:21 +00:00
parent ca14017bb6
commit 280d014d6d
5 changed files with 12 additions and 10 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Sat Jul 24 13:32:47 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* range.c (rb_range_beg_len): returns Qnil only when "beg" points
outside of a range. No boundary check for "end".
Fri Jul 23 16:40:25 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* gc.c (define_final): should not disclose NODE* to Ruby world.

6
array.c
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@ -774,10 +774,8 @@ rb_ary_subseq(ary, beg, len)
* continuing for _length_ elements, or returns a subarray
* specified by _range_.
* Negative indices count backward from the end of the
* array (-1 is the last element). Returns nil if any indices
* are out of range unless the index equals the array size and a
* _length_ or _range_ parameter is given, in which case an
* empty array is returned.
* array (-1 is the last element). Returns nil if the index
* (or starting index) are out of range.
*
* a = [ "a", "b", "c", "d", "e" ]
* a[2] + a[0] + a[1] #=> "cab"

2
lib/ping.rb
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@ -49,7 +49,7 @@ module Ping
end
rescue Errno::ECONNREFUSED
return true
rescue
rescue Timeout::Error
return false
end
return true

6
range.c
View File

@ -480,14 +480,12 @@ rb_range_beg_len(range, begp, lenp, len, err)
}
if (err == 0 || err == 2) {
if (beg > len) goto out_of_range;
if (end > len)
end = len;
if (end > len) end = len;
}
if (end < 0) end += len;
if (!EXCL(range)) end++; /* include end point */
if (end < 0) goto out_of_range;
len = end - beg;
if (len < 0) goto out_of_range;
if (len < 0) len = 0;
*begp = beg;
*lenp = len;

3
string.c
View File

@ -1552,7 +1552,8 @@ rb_str_aref(str, indx)
* a[1..3] #=> "ell"
* a[-3,2] #=> "er"
* a[-4..-2] #=> "her"
* a[-2..-4] #=> nil
* a[12..-1] #=> nil
* a[-2..-4] #=> ""
* a[/[aeiou](.)\1/] #=> "ell"
* a[/[aeiou](.)\1/, 0] #=> "ell"
* a[/[aeiou](.)\1/, 1] #=> "l"