diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setgroups.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/setgroups.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c index 8f8711913e..38e62a8217 100644 --- a/sysdeps/unix/sysv/linux/i386/setgroups.c +++ b/sysdeps/unix/sysv/linux/i386/setgroups.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +16,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include <errno.h> #include <sys/types.h> #include <unistd.h> #include <grp.h> @@ -36,6 +37,13 @@ setgroups (n, groups) __kernel_gid_t kernel_groups[n]; for (i = 0; i < n; i++) - kernel_groups[i] = groups[i]; + { + kernel_groups[i] = groups[i]; + if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i])) + { + __set_errno (EINVAL); + return -1; + } + } return __syscall_setgroups (n, kernel_groups); } |