diff options
| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-09 12:26:17 +0000 |
|---|---|---|
| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-09 12:26:17 +0000 |
| commit | 54281916e9623b132b6745bdc9ee9a397eff7398 (patch) | |
| tree | 857f80959a6cc9e6c10cc266d69ec99832f441f7 /file.c | |
| parent | efbc2d7f0fbe316892b0eb984390458ba6d829ea (diff) | |
merge revision(s) 39353: [Backport #8057]
* 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/branches/ruby_2_0_0@39653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'file.c')
| -rw-r--r-- | file.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -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) { |