view lib/gl_linkedhash_list.c @ 17463:203c036eb0c6

bootstrap: support checksum utils without a --status option * build-aux/bootstrap: Only look for sha1sum if updating po files. Add sha1 to the list of supported checksum utils since it's now supported through adjustments below. (update_po_files): Remove the use of --status in a way that will suppress all error messages, but since this is only used to minimize updates, it shouldn't cause an issue. Exit early if there is a problem updating the po file checksums. (find_tool): Remove the check for --version support as this is optional as per commit 86186b17. Don't even check for the presence of the command as if that is needed, it's supported through configuring prerequisites in bootstrap.conf. Prompt that when a tool isn't found, one can define an environment variable to add to the hardcoded search list.
author Pádraig Brady <P@draigBrady.com>
date Thu, 08 Aug 2013 11:08:49 +0100 (2013-08-08)
parents e542fd46ad6f
children
line wrap: on
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/* Sequential list data type implemented by a hash table with a linked list.
   Copyright (C) 2006, 2008-2013 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2006.

   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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "gl_linkedhash_list.h"

#include <stdint.h> /* for SIZE_MAX */
#include <stdlib.h>

#include "xsize.h"

#ifndef uintptr_t
# define uintptr_t unsigned long
#endif

#define WITH_HASHTABLE 1

/* -------------------------- gl_list_t Data Type -------------------------- */

/* Generic hash-table code.  */
#include "gl_anyhash_list1.h"

/* Generic linked list code.  */
#include "gl_anylinked_list1.h"

/* Generic hash-table code.  */
#include "gl_anyhash_list2.h"

/* Resize the hash table if needed, after list->count was incremented.  */
static void
hash_resize_after_add (gl_list_t list)
{
  size_t count = list->count;
  size_t estimate = xsum (count, count / 2); /* 1.5 * count */
  if (estimate > list->table_size)
    hash_resize (list, estimate);
}

/* Add a node to the hash table structure.  */
static void
add_to_bucket (gl_list_t list, gl_list_node_t node)
{
  size_t bucket = node->h.hashcode % list->table_size;

  node->h.hash_next = list->table[bucket];
  list->table[bucket] = &node->h;
}
/* Tell all compilers that the return value is 0.  */
#define add_to_bucket(list,node)  ((add_to_bucket) (list, node), 0)

/* Remove a node from the hash table structure.  */
static void
remove_from_bucket (gl_list_t list, gl_list_node_t node)
{
  size_t bucket = node->h.hashcode % list->table_size;
  gl_hash_entry_t *p;

  for (p = &list->table[bucket]; ; p = &(*p)->hash_next)
    {
      if (*p == &node->h)
        {
          *p = node->h.hash_next;
          break;
        }
      if (*p == NULL)
        /* node is not in the right bucket.  Did the hash codes
           change inadvertently?  */
        abort ();
    }
}

/* Generic linked list code.  */
#include "gl_anylinked_list2.h"


const struct gl_list_implementation gl_linkedhash_list_implementation =
  {
    gl_linked_nx_create_empty,
    gl_linked_nx_create,
    gl_linked_size,
    gl_linked_node_value,
    gl_linked_node_nx_set_value,
    gl_linked_next_node,
    gl_linked_previous_node,
    gl_linked_get_at,
    gl_linked_nx_set_at,
    gl_linked_search_from_to,
    gl_linked_indexof_from_to,
    gl_linked_nx_add_first,
    gl_linked_nx_add_last,
    gl_linked_nx_add_before,
    gl_linked_nx_add_after,
    gl_linked_nx_add_at,
    gl_linked_remove_node,
    gl_linked_remove_at,
    gl_linked_remove,
    gl_linked_list_free,
    gl_linked_iterator,
    gl_linked_iterator_from_to,
    gl_linked_iterator_next,
    gl_linked_iterator_free,
    gl_linked_sortedlist_search,
    gl_linked_sortedlist_search_from_to,
    gl_linked_sortedlist_indexof,
    gl_linked_sortedlist_indexof_from_to,
    gl_linked_sortedlist_nx_add,
    gl_linked_sortedlist_remove
  };