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-rw-r--r--lib/full-write.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/full-write.c b/lib/full-write.c
deleted file mode 100644
index 106f3c7e..00000000
--- a/lib/full-write.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* An interface to read and write that retries (if necessary) until complete.
-
- Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-/* Specification. */
-#ifdef FULL_READ
-# include "full-read.h"
-#else
-# include "full-write.h"
-#endif
-
-#include <errno.h>
-
-#ifdef FULL_READ
-# include "safe-read.h"
-# define safe_rw safe_read
-# define full_rw full_read
-# undef const
-# define const /* empty */
-#else
-# include "safe-write.h"
-# define safe_rw safe_write
-# define full_rw full_write
-#endif
-
-#ifdef FULL_READ
-/* Set errno to zero upon EOF. */
-# define ZERO_BYTE_TRANSFER_ERRNO 0
-#else
-/* Some buggy drivers return 0 when one tries to write beyond
- a device's end. (Example: Linux 1.2.13 on /dev/fd0.)
- Set errno to ENOSPC so they get a sensible diagnostic. */
-# define ZERO_BYTE_TRANSFER_ERRNO ENOSPC
-#endif
-
-/* Write(read) COUNT bytes at BUF to(from) descriptor FD, retrying if
- interrupted or if a partial write(read) occurs. Return the number
- of bytes transferred.
- When writing, set errno if fewer than COUNT bytes are written.
- When reading, if fewer than COUNT bytes are read, you must examine
- errno to distinguish failure from EOF (errno == 0). */
-size_t
-full_rw (int fd, const void *buf, size_t count)
-{
- size_t total = 0;
- const char *ptr = buf;
-
- while (count > 0)
- {
- size_t n_rw = safe_rw (fd, ptr, count);
- if (n_rw == (size_t) -1)
- break;
- if (n_rw == 0)
- {
- errno = ZERO_BYTE_TRANSFER_ERRNO;
- break;
- }
- total += n_rw;
- ptr += n_rw;
- count -= n_rw;
- }
-
- return total;
-}