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safe-xstat.hin
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1994-10-27
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/* safe-@l@stat.h -- EINTR-safe interface to @l@stat
Copyright (C) 1994 Free Software Foundation, Inc.
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, 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. */
/* Written by Jim Meyering <meyering@comco.com>. */
#ifndef _safe_@l@stat_h_
#define _safe_@l@stat_h_ 1
/* NOTE: you must include the following headers (in the listed order)
before this one: <sys/types.h>, <sys/stat.h>. */
#if !defined(S_ISLNK) && defined(S_IFLNK) @LSTAT_ONLY@
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) @LSTAT_ONLY@
#endif @LSTAT_ONLY@
@LSTAT_ONLY@
#ifndef S_ISLNK @LSTAT_ONLY@
#include "safe-stat.h" @LSTAT_ONLY@
#define SAFE_LSTAT SAFE_STAT @LSTAT_ONLY@
#define safe_lstat safe_stat @LSTAT_ONLY@
#else @LSTAT_ONLY@
@LSTAT_ONLY@
#include <errno.h>
#ifndef errno
extern int errno;
#endif
#ifndef __GNUC__
#define __inline /* empty */
#endif
/* On some systems, @l@stat can return EINTR. */
#ifndef EINTR
# define SAFE_@L@STAT(name, buf) @l@stat (name, buf)
#else
# ifndef __static
# define __static static
# endif
# define SAFE_@L@STAT(name, buf) safe_@l@stat (name, buf)
__static __inline int
safe_@l@stat (name, buf)
const char *name;
struct stat *buf;
{
int ret;
do
ret = @l@stat (name, buf);
while (ret < 0 && errno == EINTR);
return ret;
}
#endif
#endif /* S_ISLNK */ @LSTAT_ONLY@
#endif /* _safe_@l@stat_h_ */