diff -Naur sysdeps/unix/sysv/linux/powerpc.orig/chown.c sysdeps/unix/sysv/linux/powerpc/chown.c --- sysdeps/unix/sysv/linux/powerpc.orig/chown.c Thu Jan 1 00:00:00 1970 +++ sysdeps/unix/sysv/linux/powerpc/chown.c Mon Jun 15 16:38:10 1998 @@ -0,0 +1,101 @@ +/* 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 +#include +#include + +/* + 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 > 2.1.80. */ +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 + + +#ifndef __NR_lchown +/* Compiling under older kernels. */ +int +__chown_is_lchown (const char *file, uid_t owner, gid_t group) +{ + return __syscall_chown (file, owner, group); +} +#elif defined HAVE_ELF && defined PIC && defined DO_VERSIONING +/* Compiling 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 +strong_alias (__chown_is_lchown, _chown_is_lchown) +symbol_version (__chown_is_lchown, __chown, GLIBC_2.0); +symbol_version (_chown_is_lchown, chown, GLIBC_2.0); + +# ifdef __NR_lchown +strong_alias (__real_chown, _real_chown) +default_symbol_version (__real_chown, __chown, GLIBC_2.1); +default_symbol_version (_real_chown, chown, GLIBC_2.1); +# else +strong_alias (__chown_is_lchown, __chown_is_lchown21) +strong_alias (__chown_is_lchown, _chown_is_lchown21) +default_symbol_version (__chown_is_lchown21, __chown, GLIBC_2.1); +default_symbol_version (_chown_is_lchown21, 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 diff -Naur sysdeps/unix/sysv/linux/powerpc.orig/syscalls.list sysdeps/unix/sysv/linux/powerpc/syscalls.list --- sysdeps/unix/sysv/linux/powerpc.orig/syscalls.list Thu Mar 12 09:18:27 1998 +++ sysdeps/unix/sysv/linux/powerpc/syscalls.list Fri Jul 24 11:40:21 1998 @@ -1,5 +1,6 @@ # File name Caller Syscall name # args Strong name Weak names +s_chown chown chown 3 __syscall_chown s_llseek llseek _llseek 5 __sys_llseek getresuid - getresuid 3 getresuid