From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- sysdeps/unix/sysv/linux/sh/chown.c | 70 +++++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) (limited to 'sysdeps/unix/sysv/linux/sh/chown.c') diff --git a/sysdeps/unix/sysv/linux/sh/chown.c b/sysdeps/unix/sysv/linux/sh/chown.c index 1961622564..e7193dc23b 100644 --- a/sysdeps/unix/sysv/linux/sh/chown.c +++ b/sysdeps/unix/sysv/linux/sh/chown.c @@ -1 +1,69 @@ -#include +/* Copyright (C) 1998,2000,2002,2003,2006 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +#include +#include +#include + +#include +#include + +#ifdef __NR_chown32 +# if __ASSUME_32BITUIDS == 0 +/* This variable is shared with all files that need to check for 32bit + uids. */ +extern int __libc_missing_32bit_uids; +# endif +#endif /* __NR_chown32 */ + +int +__chown (const char *file, uid_t owner, gid_t group) +{ +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group); +#else +# ifdef __NR_chown32 + if (__libc_missing_32bit_uids <= 0) + { + int result; + int saved_errno = errno; + + result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group); + if (result == 0 || errno != ENOSYS) + return result; + + __set_errno (saved_errno); + __libc_missing_32bit_uids = 1; + } +# endif /* __NR_chown32 */ + + if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) + { + __set_errno (EINVAL); + return -1; + } + + return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group); +#endif +} +libc_hidden_def (__chown) +weak_alias (__chown, chown) -- cgit v1.2.3