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* array.c (rb_ary_cycle): avoid infinite loop for empty array.

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based on a patch from David Flanagan.  [ruby-core:12085]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13424 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2007-09-10 05:05:49 +00:00
parent c19fafb0a4
commit b3fc59837a
2 changed files with 6 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Sep 10 13:44:37 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
* array.c (rb_ary_cycle): avoid infinite loop for empty array.
based on a patch from David Flanagan. [ruby-core:12085]
Mon Sep 10 01:21:23 2007 Yukihiro Matsumoto <matz@ruby-lang.org>
* marshal.c (r_object0): struct allocation first to check if a

2
array.c
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@ -2939,7 +2939,7 @@ rb_ary_cycle(VALUE ary)
long i;
RETURN_ENUMERATOR(ary, 0, 0);
for (;;) {
while (RARRAY_LEN(ary) > 0) {
for (i=0; i<RARRAY_LEN(ary); i++) {
rb_yield(RARRAY_PTR(ary)[i]);
}