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author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-13 14:08:48 +0000 |
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committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-07-13 14:08:48 +0000 |
commit | aa8380e17af88e98ff6e9498edf8f952b5b15fca (patch) | |
tree | 17bc5831b9796e27f475e418b0017353058591e6 /array.c | |
parent | 5c1a69452b3fcdb0c6353a6ca5bc9292603e05f8 (diff) |
merge revision(s) r46416: [Backport #9942]
* array.c (rb_ary_permutation): `p` is the array of size `r`, as
commented at permute0(). since `n >= r` here, buffer overflow
never happened, just reduce unnecessary allocation though.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@46807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -4818,7 +4818,7 @@ rb_ary_permutation(int argc, VALUE *argv, VALUE ary) } } else { /* this is the general case */ - volatile VALUE t0 = tmpbuf(n,sizeof(long)); + volatile VALUE t0 = tmpbuf(r,sizeof(long)); long *p = (long*)RSTRING_PTR(t0); volatile VALUE t1 = tmpbuf(n,sizeof(char)); char *used = (char*)RSTRING_PTR(t1); |