+++ /dev/null
-/* @IGNORE@ -*- c -*- */
-/* @IGNORE@ This file is a template from which both safe-read.c and
- @IGNORE@ safe-write.c are generated. */
-/* An interface to @rw@ that retries after interrupts.
- Copyright (C) 1993, 1994, 1998, 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-/* Specification. */
-#include "safe-@rw@.h"
-
-/* Get ssize_t. */
-#include <sys/types.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#ifdef EINTR
-# define IS_EINTR(x) ((x) == EINTR)
-#else
-# define IS_EINTR(x) 0
-#endif
-
-#include <limits.h>
-
-#ifndef CHAR_BIT
-# define CHAR_BIT 8
-#endif
-
-/* The extra casts work around common compiler bugs. */
-#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
-/* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
- It is necessary at least when t == time_t. */
-#define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
- ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
-#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
-
-#ifndef INT_MAX
-# define INT_MAX TYPE_MAXIMUM (int)
-#endif
-
-/* @Rw@ up to COUNT bytes at BUF @from_to@ descriptor FD, retrying if interrupted.
- Return the actual number of bytes @read_written@, zero for EOF, or SAFE_@RW@_ERROR
- upon error. */
-size_t
-safe_@rw@ (int fd, void @const@*buf, size_t count)
-{
- ssize_t result;
-
- /* POSIX limits COUNT to SSIZE_MAX, but we limit it further, requiring
- that COUNT <= INT_MAX, to avoid triggering a bug in Tru64 5.1.
- When decreasing COUNT, keep the file pointer block-aligned.
- Note that in any case, @rw@ may succeed, yet @rw@ fewer than COUNT
- bytes, so the caller must be prepared to handle partial results. */
- if (count > INT_MAX)
- count = INT_MAX & ~8191;
-
- do
- {
- result = @rw@ (fd, buf, count);
- }
- while (result < 0 && IS_EINTR (errno));
-
- return (size_t) result;
-}