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safe-stat.h
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1997-08-20
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/* safe-stat.h -- EINTR-safe interface to 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_stat_h_
#define _safe_stat_h_ 1
#ifdef __cplusplus
extern "C" {
#endif
/* NOTE: you must include the following headers (in the listed order)
before this one: <sys/types.h>, <sys/stat.h>. */
#include <errno.h>
#ifndef errno
extern int errno;
#endif
#ifndef __GNUC__
#define __inline /* empty */
#endif
/* On some systems, stat can return EINTR. */
#ifndef EINTR
# define SAFE_STAT(name, buf) stat (name, buf)
#else
# ifndef __static
# define __static static
# endif
# define SAFE_STAT(name, buf) safe_stat (name, buf)
__static __inline int
safe_stat (const char *name, struct stat *buf)
{
int ret;
do
ret = stat (name, buf);
while (ret < 0 && errno == EINTR);
return ret;
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* _safe_stat_h_ */