-/* An interface to read() that reads all it is asked to read.
+/* An interface to read that retries after partial reads and interrupts.
+ Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
- Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 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
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, read 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 "full-read.h"
-
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#include "safe-read.h"
-
-/* Read COUNT bytes at BUF to descriptor FD, retrying if interrupted
- or if partial reads occur. Return the number of bytes successfully
- read, setting errno if that is less than COUNT. errno = 0 means EOF. */
-size_t
-full_read (int fd, void *buf, size_t count)
-{
- size_t total_read = 0;
-
- if (count > 0)
- {
- char *ptr = buf;
-
- do
- {
- size_t nread = safe_read (fd, ptr, count);
- if (nread == (size_t)-1)
- break;
- if (nread == 0)
- {
- /* EOF. */
- errno = 0;
- break;
- }
- total_read += nread;
- ptr += nread;
- count -= nread;
- }
- while (count > 0);
- }
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
- return total_read;
-}
+#define FULL_READ
+#include "full-write.c"