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-rw-r--r--sysdeps/posix/writev.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/sysdeps/posix/writev.c b/sysdeps/posix/writev.c
deleted file mode 100644
index 7ce1deb80f..0000000000
--- a/sysdeps/posix/writev.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <limits.h>
-#include <stdbool.h>
-#include <sys/param.h>
-#include <sys/uio.h>
-#include <errno.h>
-
-
-static void
-ifree (char **ptrp)
-{
-  free (*ptrp);
-}
-
-
-/* Write data pointed by the buffers described by VECTOR, which
-   is a vector of COUNT 'struct iovec's, to file descriptor FD.
-   The data is written in the order specified.
-   Operates just like 'write' (see <unistd.h>) except that the data
-   are taken from VECTOR instead of a contiguous buffer.  */
-ssize_t
-__writev (int fd, const struct iovec *vector, int count)
-{
-  /* Find the total number of bytes to be written.  */
-  size_t bytes = 0;
-  for (int i = 0; i < count; ++i)
-    {
-      /* Check for ssize_t overflow.  */
-      if (SSIZE_MAX - bytes < vector[i].iov_len)
-	{
-	  __set_errno (EINVAL);
-	  return -1;
-	}
-      bytes += vector[i].iov_len;
-    }
-
-  /* Allocate a temporary buffer to hold the data.  We should normally
-     use alloca since it's faster and does not require synchronization
-     with other threads.  But we cannot if the amount of memory
-     required is too large.  */
-  char *buffer;
-  char *malloced_buffer __attribute__ ((__cleanup__ (ifree))) = NULL;
-  if (__libc_use_alloca (bytes))
-    buffer = (char *) __alloca (bytes);
-  else
-    {
-      malloced_buffer = buffer = (char *) malloc (bytes);
-      if (buffer == NULL)
-	/* XXX I don't know whether it is acceptable to try writing
-	   the data in chunks.  Probably not so we just fail here.  */
-	return -1;
-    }
-
-  /* Copy the data into BUFFER.  */
-  size_t to_copy = bytes;
-  char *bp = buffer;
-  for (int i = 0; i < count; ++i)
-    {
-      size_t copy = MIN (vector[i].iov_len, to_copy);
-
-      bp = __mempcpy ((void *) bp, (void *) vector[i].iov_base, copy);
-
-      to_copy -= copy;
-      if (to_copy == 0)
-	break;
-    }
-
-  ssize_t bytes_written = __write (fd, buffer, bytes);
-
-  return bytes_written;
-}
-weak_alias (__writev, writev)