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/*
Unix SMB/CIFS implementation.
defintions of syscall entries
Copyright (C) Andrew Tridgell 1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#elif HAVE_SYSCALL_H
#include <syscall.h>
#endif
#ifdef IRIX
/* amazingly, IRIX gets its own syscall numbers wrong! */
#ifdef SYSVoffset
#if (SYSVoffset == 1)
#undef SYSVoffset
#define SYSVoffset 1000
#endif
#endif
#endif
/* this file is partly derived from zlibc by Alain Knaff */
#define real_access(fn, mode) (syscall(SYS_access, (fn), (mode)))
#define real_chdir(fn) (syscall(SYS_chdir, (fn)))
#define real_chmod(fn, mode) (syscall(SYS_chmod,(fn), (mode)))
#define real_chown(fn, owner, group) (syscall(SYS_chown,(fn),(owner),(group)))
#ifdef SYS_getdents
#define real_getdents(fd, dirp, count) (syscall(SYS_getdents, (fd), (dirp), (count)))
#endif
#define real_link(fn1, fn2) (syscall(SYS_link, (fn1), (fn2)))
#define real_open(fn,flags,mode) (syscall(SYS_open, (fn), (flags), (mode)))
#ifdef SYS_open64
#define real_open64(fn,flags,mode) (syscall(SYS_open64, (fn), (flags), (mode)))
#elif HAVE__OPEN64
#define real_open64(fn,flags,mode) (_open64(fn,flags,mode))
#define NO_OPEN64_ALIAS
#elif HAVE___OPEN64
#define real_open64(fn,flags,mode) (__open64(fn,flags,mode))
#define NO_OPEN64_ALIAS
#endif
#ifdef HAVE__FORK
#define real_fork() (_fork())
#elif HAVE___FORK
#define real_fork() (__fork())
#elif SYS_fork
#define real_fork() (syscall(SYS_fork))
#endif
#ifdef HAVE__OPENDIR
#define real_opendir(fn) (_opendir(fn))
#elif SYS_opendir
#define real_opendir(fn) (syscall(SYS_opendir,(fn)))
#elif HAVE___OPENDIR
#define real_opendir(fn) (__opendir(fn))
#endif
#ifdef HAVE__READDIR
#define real_readdir(d) (_readdir(d))
#elif HAVE___READDIR
#define real_readdir(d) (__readdir(d))
#elif SYS_readdir
#define real_readdir(d) (syscall(SYS_readdir,(d)))
#endif
#ifdef HAVE__CLOSEDIR
#define real_closedir(d) (_closedir(d))
#elif SYS_closedir
#define real_closedir(d) (syscall(SYS_closedir,(d)))
#elif HAVE___CLOSEDIR
#define real_closedir(d) (__closedir(d))
#endif
#ifdef HAVE__SEEKDIR
#define real_seekdir(d,l) (_seekdir(d,l))
#elif SYS_seekdir
#define real_seekdir(d,l) (syscall(SYS_seekdir,(d),(l)))
#elif HAVE___SEEKDIR
#define real_seekdir(d,l) (__seekdir(d,l))
#else
#define NO_SEEKDIR_WRAPPER
#endif
#ifdef HAVE__TELLDIR
#define real_telldir(d) (_telldir(d))
#elif SYS_telldir
#define real_telldir(d) (syscall(SYS_telldir,(d)))
#elif HAVE___TELLDIR
#define real_telldir(d) (__telldir(d))
#endif
#ifdef HAVE__DUP
#define real_dup(d) (_dup(d))
#elif SYS_dup
#define real_dup(d) (syscall(SYS_dup,(d)))
#elif HAVE___DUP
#define real_dup(d) (__dup(d))
#endif
#ifdef HAVE__DUP2
#define real_dup2(d1,d2) (_dup2(d1,d2))
#elif SYS_dup2
#define real_dup2(d1,d2) (syscall(SYS_dup2,(d1),(d2)))
#elif HAVE___DUP2
#define real_dup2(d1,d2) (__dup2(d1,d2))
#endif
#ifdef HAVE__GETCWD
#define real_getcwd(b,s) ((char *)_getcwd(b,s))
#elif SYS_getcwd
#define real_getcwd(b,s) ((char *)syscall(SYS_getcwd,(b),(s)))
#elif HAVE___GETCWD
#define real_getcwd(b,s) ((char *)__getcwd(b,s))
#endif
#ifdef HAVE__STAT
#define real_stat(fn,st) (_stat(fn,st))
#elif SYS_stat
#define real_stat(fn,st) (syscall(SYS_stat,(fn),(st)))
#elif HAVE___STAT
#define real_stat(fn,st) (__stat(fn,st))
#endif
#ifdef HAVE__LSTAT
#define real_lstat(fn,st) (_lstat(fn,st))
#elif SYS_lstat
#define real_lstat(fn,st) (syscall(SYS_lstat,(fn),(st)))
#elif HAVE___LSTAT
#define real_lstat(fn,st) (__lstat(fn,st))
#endif
#ifdef HAVE__FSTAT
#define real_fstat(fd,st) (_fstat(fd,st))
#elif SYS_fstat
#define real_fstat(fd,st) (syscall(SYS_fstat,(fd),(st)))
#elif HAVE___FSTAT
#define real_fstat(fd,st) (__fstat(fd,st))
#endif
#if defined(HAVE_SYS_ACL_H) && defined(HAVE__ACL)
#define real_acl(fn,cmd,n,buf) (_acl(fn,cmd,n,buf))
#elif SYS_acl
#define real_acl(fn,cmd,n,buf) (syscall(SYS_acl,(fn),(cmd),(n),(buf)))
#elif HAVE___ACL
#define real_acl(fn,cmd,n,buf) (__acl(fn,cmd,n,buf))
#else
#define NO_ACL_WRAPPER
#endif
#ifdef HAVE__FACL
#define real_facl(fd,cmd,n,buf) (_facl(fd,cmd,n,buf))
#elif SYS_facl
#define real_facl(fd,cmd,n,buf) (syscall(SYS_facl,(fd),(cmd),(n),(buf)))
#elif HAVE___FACL
#define real_facl(fd,cmd,n,buf) (__facl(fd,cmd,n,buf))
#else
#define NO_FACL_WRAPPER
#endif
#ifdef HAVE__STAT64
#define real_stat64(fn,st) (_stat64(fn,st))
#elif HAVE___STAT64
#define real_stat64(fn,st) (__stat64(fn,st))
#endif
#ifdef HAVE__LSTAT64
#define real_lstat64(fn,st) (_lstat64(fn,st))
#elif HAVE___LSTAT64
#define real_lstat64(fn,st) (__lstat64(fn,st))
#endif
#ifdef HAVE__FSTAT64
#define real_fstat64(fd,st) (_fstat64(fd,st))
#elif HAVE___FSTAT64
#define real_fstat64(fd,st) (__fstat64(fd,st))
#endif
#ifdef HAVE__READDIR64
#define real_readdir64(d) (_readdir64(d))
#elif HAVE___READDIR64
#define real_readdir64(d) (__readdir64(d))
#endif
#ifdef HAVE__LLSEEK
#define real_llseek(fd,ofs,whence) (_llseek(fd,ofs,whence))
#elif HAVE___LLSEEK
#define real_llseek(fd,ofs,whence) (__llseek(fd,ofs,whence))
#elif HAVE___SYS_LLSEEK
#define real_llseek(fd,ofs,whence) (__sys_llseek(fd,ofs,whence))
#endif
#ifdef HAVE__PREAD
#define real_pread(fd,buf,size,ofs) (_pread(fd,buf,size,ofs))
#elif HAVE___PREAD
#define real_pread(fd,buf,size,ofs) (__pread(fd,buf,size,ofs))
#endif
#ifdef HAVE__PREAD64
#define real_pread64(fd,buf,size,ofs) (_pread64(fd,buf,size,ofs))
#elif HAVE___PREAD64
#define real_pread64(fd,buf,size,ofs) (__pread64(fd,buf,size,ofs))
#endif
#ifdef HAVE__PWRITE
#define real_pwrite(fd,buf,size,ofs) (_pwrite(fd,buf,size,ofs))
#elif HAVE___PWRITE
#define real_pwrite(fd,buf,size,ofs) (__pwrite(fd,buf,size,ofs))
#endif
#ifdef HAVE__PWRITE64
#define real_pwrite64(fd,buf,size,ofs) (_pwrite64(fd,buf,size,ofs))
#elif HAVE___PWRITE64
#define real_pwrite64(fd,buf,size,ofs) (__pwrite64(fd,buf,size,ofs))
#endif
#define real_readlink(fn,buf,len) (syscall(SYS_readlink, (fn), (buf), (len)))
#define real_rename(fn1, fn2) (syscall(SYS_rename, (fn1), (fn2)))
#define real_symlink(fn1, fn2) (syscall(SYS_symlink, (fn1), (fn2)))
#define real_read(fd, buf, count ) (syscall(SYS_read, (fd), (buf), (count)))
#define real_lseek(fd, offset, whence) (syscall(SYS_lseek, (fd), (offset), (whence)))
#define real_write(fd, buf, count ) (syscall(SYS_write, (fd), (buf), (count)))
#define real_close(fd) (syscall(SYS_close, (fd)))
#define real_fchdir(fd) (syscall(SYS_fchdir, (fd)))
#define real_fcntl(fd,cmd,arg) (syscall(SYS_fcntl, (fd), (cmd), (arg)))
#define real_symlink(fn1, fn2) (syscall(SYS_symlink, (fn1), (fn2)))
#define real_unlink(fn) (syscall(SYS_unlink, (fn)))
#define real_rmdir(fn) (syscall(SYS_rmdir, (fn)))
#define real_mkdir(fn, mode) (syscall(SYS_mkdir, (fn), (mode)))
/*
* On GNU/Linux distributions which allow to use both 2.4 and 2.6 kernels
* there is SYS_utimes syscall defined at compile time in glibc-kernheaders but
* it is available on 2.6 kernels only. Therefore, we can't rely on syscall at
* compile time but have to check that behaviour during program execution. An easy
* workaround is to have replacement for utimes() implemented within our wrapper and
* do not rely on syscall at all. Thus, if REPLACE_UTIME is defined already (by packager),
* skip these syscall shortcuts.
*/
#ifndef REPLACE_UTIME
#ifdef SYS_utime
#define real_utime(fn, buf) (syscall(SYS_utime, (fn), (buf)))
#else
#define REPLACE_UTIME 1
#endif
#endif
#ifndef REPLACE_UTIMES
#ifdef SYS_utimes
#define real_utimes(fn, buf) (syscall(SYS_utimes, (fn), (buf)))
#else
#define REPLACE_UTIMES 1
#endif
#endif
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