osprey/libelf/lib/errmsg.c

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/*
 * Copyright 2005 PathScale, Inc.  All Rights Reserved.
 */

/*
errmsg.c - implementation of the elf_errmsg(3) function.
Copyright (C) 1995 - 1999 Michael Riepe <michael@stud.uni-hannover.de>

This library 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.

This 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#include <private.h>

#ifndef lint
static const char rcsid[] = "@(#) $Id: errmsg.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $";
#endif /* lint */

#if HAVE_GETTEXT
# undef HAVE_CATGETS
# include <libintl.h>
#else /* HAVE_GETTEXT */
# define dgettext(dom, str) str
#endif /* HAVE_GETTEXT */

#if HAVE_CATGETS
# include <nl_types.h>
static nl_catd _libelf_cat = (nl_catd)0;
#endif /* HAVE_CATGETS */

#if HAVE_GETTEXT || HAVE_CATGETS
static const char domain[] = "libelf";
#endif /* HAVE_GETTEXT || HAVE_CATGETS */

#if PIC
static const char *_messages[] = {
#else /* PIC */
static const char *const _messages[] = {
#endif /* PIC */
#define __err__(a,b)  b,
#include <errors.h>   /* include string tables from errors.h */
#undef __err__
};

const char*
elf_errmsg(int err) {
    if (err == 0) {
  err = _elf_errno;
  if (err == 0) {
      return NULL;
  }
    }
    else if (err == -1) {
  err = _elf_errno;
    }

    if (err < 0 || err >= ERROR_NUM || _messages[err] == NULL) {
  err = ERROR_UNKNOWN;
    }

#if HAVE_CATGETS
    if (_libelf_cat == (nl_catd)0) {
  _libelf_cat = catopen(domain, 0);
    }
    if (_libelf_cat != (nl_catd)-1) {
  return catgets(_libelf_cat, 1, err + 1, _messages[err]);
    }
#endif /* HAVE_CATGETS */
    return dgettext(domain, _messages[err]);
}

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