diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | grp/initgroups.c | 18 |
2 files changed, 18 insertions, 9 deletions
@@ -1,3 +1,12 @@ +2001-04-16 Roland McGrath <roland@frob.com> + + * grp/initgroups.c (initgroups) [NGROUPS_MAX != 0]: Always use sysconf + instead of the constant NGROUPS_MAX. That way, the limit can be + raised in the kernel configuration without having to recompile libc. + + * sysdeps/posix/euidaccess.c: Don't #include <limits.h> or try to + define NGROUPS_MAX; we don't use it here. + 2001-04-16 Andreas Jaeger <aj@suse.de> * math/libm-test.inc (atan2_test): Add more testcases. diff --git a/grp/initgroups.c b/grp/initgroups.c index 6ae7368..89dc4d6 100644 --- a/grp/initgroups.c +++ b/grp/initgroups.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1989, 91, 93, 1996-1999, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1989,91,93,1996-1999,2000,01 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 @@ -158,21 +158,21 @@ initgroups (user, group) /* Start is one, because we have the first group as parameter. */ long int start = 1; long int size; - long int limit; gid_t *groups; int result; -#ifdef NGROUPS_MAX - size = NGROUPS_MAX; - limit = -1; -#else + + /* We always use sysconf even if NGROUPS_MAX is defined. That way, the + limit can be raised in the kernel configuration without having to + recompile libc. */ long int limit = __sysconf (_SC_NGROUPS_MAX); if (limit > 0) size = limit; else - /* No fixed limit on groups. Pick a starting buffer size. */ - size = 16; -#endif + { + /* No fixed limit on groups. Pick a starting buffer size. */ + size = 16; + } groups = (gid_t *) malloc (size * sizeof (gid_t)); if (__builtin_expect (groups == NULL, 0)) |