56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __LINKED_H__
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#define __LINKED_H__
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#ifndef USE_GSLIST_VERSION
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typedef struct _link
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{
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void *data;
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struct _link *next;
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} *link_ptr;
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extern link_ptr alloc_list (void);
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extern link_ptr free_list (link_ptr);
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extern link_ptr add_to_list (link_ptr, void *);
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extern link_ptr append_to_list (link_ptr, void *);
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extern link_ptr insert_in_list (link_ptr, void *, int);
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extern link_ptr remove_from_list (link_ptr, void *);
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extern link_ptr next_item (link_ptr);
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extern link_ptr nth_item (link_ptr, int);
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extern int list_length (link_ptr);
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#else /* USE_GSLIST_VERSION */
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#include <glib.h>
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typedef GSList * link_ptr;
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#define alloc_list() g_slist_alloc()
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#define free_list(x) g_slist_free((x)), NULL
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#define add_to_list(x, y) g_slist_prepend((x), (y))
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#define append_to_list(x, y) g_slist_append((x), (y))
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#define insert_in_list(x, y, z) g_slist_insert((x), (y), (z))
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#define remove_from_list(x, y) g_slist_remove((x), (y))
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#define next_item(x) (x)?g_slist_next((x)):NULL
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#define nth_item(x, y) g_slist_nth((x), (y))
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#define list_length(x) g_slist_length((x))
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#endif /* USE_GSLIST_VERSION */
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#endif
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