changeset 4139:71c3d036e232

Simply #define FULL_READ and include full-write.c.
author Jim Meyering <jim@meyering.net>
date Tue, 07 Jan 2003 14:10:40 +0000
parents 5c3fb0cf36b3
children 40c9aa461079
files lib/full-read.c
diffstat 1 files changed, 5 insertions(+), 51 deletions(-) [+]
line wrap: on
line diff
--- a/lib/full-read.c
+++ b/lib/full-read.c
@@ -1,7 +1,5 @@
-/* An interface to read() that reads all it is asked to read.
-
-   Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
-   Foundation, Inc.
+/* An interface to read that retries after partial reads and interrupts.
+   Copyright (C) 2002, 2003 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
@@ -14,52 +12,8 @@
    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,
+   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 "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);
-    }
-
-  return total_read;
-}
+#define FULL_READ
+#include "full-write.c"