/*
 *  Copyright (C) 2006  James Antill
 *
 *  This 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 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser 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
 *
 *  email: james@and.org
 */
/* Sort an Xattr list */
#define _GNU_SOURCE 1 /* make sure we get strverscmp */

#include "xattr_sort.h"
#include <string.h>

void xattr_qsort(Xattrs *xattrs, int (*qsorter)(const void *, const void *))
{
  qsort(xattrs->ents, xattrs->num, sizeof(Xattr_node), qsorter);
}

int xattr_sc_qsort_strcmp_key(const void *c1, const void *c2)
{
  const Xattr_node *x1 = c1;
  const Xattr_node *x2 = c2;

  return (strcmp(x1->key, x2->key));
}

int xattr_sc_qsort_strverscmp_key(const void *c1, const void *c2)
{
  const Xattr_node *x1 = c1;
  const Xattr_node *x2 = c2;

  return (strverscmp(x1->key, x2->key));
}

int xattr_sc_qsort_strnonscmp_key(const void *c1, const void *c2)
{
  const Xattr_node *x1 = c1;
  const Xattr_node *x2 = c2;
  const char *key1 = NULL;
  const char *key2 = NULL;
  int ret = 0;
  
  key1 = strchr(x1->key, '.') + 1;
  key2 = strchr(x2->key, '.') + 1;


  ret = strcmp(key1, key2);

  if (!ret)    
    return (strcmp(x1->key, x2->key));

  return (ret);
}