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/* Libiberty basename.  Like basename, but is not overridden by the

   system C library.

   Copyright (C) 2001, 2002, 2010 Free Software Foundation, Inc.

This file is part of the libiberty library.

Libiberty is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

version 2 of the License, or (at your option) any later version.

Libiberty 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

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with libiberty; see the file COPYING.LIB.  If

not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,

Boston, MA 02110-1301, USA.  */

/*

@deftypefn Replacement {const char*} lbasename (const char *@var{name})

Given a pointer to a string containing a typical pathname

(@samp{/usr/src/cmd/ls/ls.c} for example), returns a pointer to the

last component of the pathname (@samp{ls.c} in this case).  The

returned pointer is guaranteed to lie within the original

string.  This latter fact is not true of many vendor C

libraries, which return special strings or modify the passed

strings for particular input.

In particular, the empty string returns the same empty string,

and a path ending in @code{/} returns the empty string after it.

@end deftypefn

*/

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "ansidecl.h"

#include "libiberty.h"

#include "safe-ctype.h"

#include "filenames.h"

const char *

unix_lbasename (const char *name)

{

  const char *base;

  for (base = name; *name; name++)

    if (IS_UNIX_DIR_SEPARATOR (*name))

      base = name + 1;

  return base;

}

const char *

dos_lbasename (const char *name)

{

  const char *base;

  /* Skip over a possible disk name.  */

  if (ISALPHA (name[0]) && name[1] == ':')

    name += 2;

  for (base = name; *name; name++)

    if (IS_DOS_DIR_SEPARATOR (*name))

      base = name + 1;

  return base;

}

const char *

lbasename (const char *name)

{

#if defined (HAVE_DOS_BASED_FILE_SYSTEM)

  return dos_lbasename (name);

#else

  return unix_lbasename (name);

#endif

}