Move gettext-tools/lib/xreadlink.c to gnulib-local/lib/xreadlink.c.

1 files changed, 0 insertions, 133 deletions

diff --git a/gettext-tools/lib/xreadlink.c b/gettext-tools/lib/xreadlink.c
deleted file mode 100644
index 0331f39..0000000
--- a/gettext-tools/lib/xreadlink.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* xreadlink.c -- readlink wrapper to return the link name in malloc'd storage
-
-   Copyright (C) 2001, 2003, 2005-2006 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; see the file COPYING.
-   If not, write to the Free Software Foundation,
-   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-/* Written by Jim Meyering <jim@meyering.net>
-   and Bruno Haible <bruno@clisp.org>.  */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-/* Specification.  */
-#include "xreadlink.h"
-
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <limits.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-#ifndef SSIZE_MAX
-# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
-#endif
-
-#ifdef NO_XMALLOC
-# define xmalloc malloc
-#else
-# include "xalloc.h"
-#endif
-
-/* Call readlink to get the symbolic link value of FILENAME.
-   Return a pointer to that NUL-terminated string in malloc'd storage.
-   If readlink fails, return NULL (caller may use errno to diagnose).
-   If realloc fails, or if the link value is longer than SIZE_MAX :-),
-   give a diagnostic and exit.  */
-
-char *
-xreadlink (char const *filename)
-{
-  /* The initial buffer size for the link value.  A power of 2
-     detects arithmetic overflow earlier, but is not required.  */
-#define INITIAL_BUF_SIZE 1024
-
-  /* Allocate the initial buffer on the stack.  This way, in the common
-     case of a symlink of small size, we get away with a single small malloc()
-     instead of a big malloc() followed by a shrinking realloc().  */
-  char initial_buf[INITIAL_BUF_SIZE];
-
-  char *buffer = initial_buf;
-  size_t buf_size = sizeof (initial_buf);
-
-  while (1)
-    {
-      /* Attempt to read the link into the current buffer.  */
-      ssize_t link_length = readlink (filename, buffer, buf_size);
-
-      if (link_length < 0)
-	{
-	  if (buffer != initial_buf)
-	    {
-	      int saved_errno = errno;
-	      free (buffer);
-	      errno = saved_errno;
-	    }
-	  return NULL;
-	}
-
-      if ((size_t) link_length < buf_size)
-	{
-	  buffer[link_length++] = '\0';
-
-	  /* Return it in a chunk of memory as small as possible.  */
-	  if (buffer == initial_buf)
-	    {
-	      buffer = (char *) xmalloc (link_length);
-#ifdef NO_XMALLOC
-	      if (buffer == NULL)
-		return NULL;
-#endif
-	      memcpy (buffer, initial_buf, link_length);
-	    }
-	  else
-	    {
-	      /* Shrink buffer before returning it.  */
-	      if ((size_t) link_length < buf_size)
-		{
-		  char *smaller_buffer = (char *) realloc (buffer, link_length);
-
-		  if (smaller_buffer != NULL)
-		    buffer = smaller_buffer;
-		}
-	    }
-	  return buffer;
-	}
-
-      if (buffer != initial_buf)
-	free (buffer);
-      buf_size *= 2;
-      if (SSIZE_MAX < buf_size || (SIZE_MAX / 2 < SSIZE_MAX && buf_size == 0))
-#ifdef NO_XMALLOC
-	return NULL;
-#else
-	xalloc_die ();
-#endif
-      buffer = (char *) xmalloc (buf_size);
-#ifdef NO_XMALLOC
-      if (buffer == NULL)
-	return NULL;
-#endif
-    }
-}