diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/chown.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/sysdeps/unix/sysv/linux/chown.c b/sysdeps/unix/sysv/linux/chown.c deleted file mode 100644 index 578dfc7e3f..0000000000 --- a/sysdeps/unix/sysv/linux/chown.c +++ /dev/null @@ -1,91 +0,0 @@ -/* Copyright (C) 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 - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <errno.h> -#include <unistd.h> -#include <sys/syscall.h> - -/* - In Linux 2.1.x the chown functions have been changed. A new function lchown - was introduced. The new chown now follows symlinks - the old chown and the - new lchown do not follow symlinks. - The new lchown function has the same number as the old chown had and the - new chown has a new number. When compiling with headers from Linux > 2.1.8x - it's impossible to run this libc with older kernels. In these cases libc - has therefore to route calls to chown to the old chown function. -*/ - -extern int __syscall_chown (const char *__file, - uid_t __owner, gid_t __group); -#ifdef __NR_lchown -/* running under Linux 2.0 or < 2.1.8x */ -static int __libc_old_chown; - - -int -__real_chown (const char *file, uid_t owner, gid_t group) -{ - int result; - - if (!__libc_old_chown) - { - int saved_errno = errno; - result = __syscall_chown (file, owner, group); - - if (result >= 0 || errno != ENOSYS) - return result; - - __set_errno (saved_errno); - __libc_old_chown = 1; - } - - return __lchown (file, owner, group); -} -#endif - - -#if !defined __NR_lchown || \ - (defined HAVE_ELF && defined PIC && defined DO_VERSIONING) -/* compiling under older kernels or for compatibiity */ -int -__chown_is_lchown (const char *file, uid_t owner, gid_t group) -{ - return __lchown (file, owner, group); -} -#endif - -#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING -symbol_version (__chown_is_lchown, __chown, GLIBC_2.0) -symbol_version (__chown_is_lchown, chown, GLIBC_2.0) - -# ifdef __NR_lchown -default_symbol_version (__real_chown, __chown, GLIBC_2.1) -default_symbol_version (__real_chown, chown, GLIBC_2.1) -# else -default_symbol_version (__chown_is_lchown, __chown, GLIBC_2.1) -default_symbol_version (__chown_is_lchown, chown, GLIBC_2.1) -# endif -#else -# ifdef __NR_lchown -strong_alias (__real_chown, __chown) -weak_alias (__real_chown, chown) -# else -strong_alias (__chown_is_lchown, __chown) -weak_alias (__chown_is_lchown, chown) -# endif -#endif |