diff options
Diffstat (limited to 'winsup/cygwin/grp.cc')
| -rw-r--r-- | winsup/cygwin/grp.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/winsup/cygwin/grp.cc b/winsup/cygwin/grp.cc index 7ff9e59b2..b84966ad5 100644 --- a/winsup/cygwin/grp.cc +++ b/winsup/cygwin/grp.cc @@ -447,7 +447,7 @@ get_groups (const char *user, gid_t gid, cygsidlist &gsids) cygsid usersid, grpsid; if (usersid.getfrompw (pw)) get_server_groups (gsids, usersid, pw); - if (grpsid.getfromgr (gr)) + if (gid != ILLEGAL_GID && grpsid.getfromgr (gr)) gsids += grpsid; cygheap->user.reimpersonate (); } @@ -501,9 +501,11 @@ getgrouplist (const char *user, gid_t gid, gid_t *groups, int *ngroups) groups[cnt] = gr->gr_gid; ++cnt; } + *ngroups = cnt; if (cnt > *ngroups) ret = -1; - *ngroups = cnt; + else + ret = cnt; syscall_printf ( "%d = getgrouplist(%s, %u, %p, %d)", ret, user, gid, groups, *ngroups); |