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author | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-02-21 04:52:38 +0000 |
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committer | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-02-21 04:52:38 +0000 |
commit | 8a9dc061f5737543eaca17ceafa6ebe4886cb26e (patch) | |
tree | 8477bfac7895f5af6593e334a993544f43124b15 | |
parent | e93a68abfa10a7eba1fd769b6cbc55da7796f8e8 (diff) | |
download | ruby-8a9dc061f5737543eaca17ceafa6ebe4886cb26e.tar.gz |
* file.c (rb_group_member): added an error check. SUS says,
getgroups(small_value) may return EINVAL.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39353 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | file.c | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Thu Feb 21 13:47:59 2013 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * file.c (rb_group_member): added an error check. SUS says, + getgroups(small_value) may return EINVAL. + Thu Feb 21 13:37:07 2013 KOSAKI Motohiro <kosaki.motohiro@gmail.com> * file.c (RB_MAX_GROUPS): moved to @@ -1036,7 +1036,7 @@ rb_group_member(GETGROUPS_T gid) while (groups <= RB_MAX_GROUPS) { gary = ALLOCV_N(GETGROUPS_T, v, groups); anum = getgroups(groups, gary); - if (anum != groups) + if (anum != -1 && anum != groups) break; groups *= 2; if (v) { @@ -1044,6 +1044,8 @@ rb_group_member(GETGROUPS_T gid) v = 0; } } + if (anum == -1) + return FALSE; while (--anum >= 0) { if (gary[anum] == gid) { |