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104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#ifndef __G_TRASH_STACK_H__
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#define __G_TRASH_STACK_H__
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#include <glib/gutils.h>
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G_BEGIN_DECLS
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typedef struct _GTrashStack GTrashStack;
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struct _GTrashStack
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{
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GTrashStack *next;
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};
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G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p,
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gpointer data_p);
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G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p);
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G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p);
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G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p);
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#if defined (G_CAN_INLINE) || defined (__G_TRASH_STACK_C__)
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G_INLINE_FUNC void
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g_trash_stack_push (GTrashStack **stack_p,
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gpointer data_p)
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{
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GTrashStack *data = (GTrashStack *) data_p;
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data->next = *stack_p;
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*stack_p = data;
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}
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G_INLINE_FUNC gpointer
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g_trash_stack_pop (GTrashStack **stack_p)
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{
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GTrashStack *data;
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data = *stack_p;
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if (data)
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{
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*stack_p = data->next;
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/* NULLify private pointer here, most platforms store NULL as
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* subsequent 0 bytes
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*/
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data->next = NULL;
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}
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return data;
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}
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G_INLINE_FUNC gpointer
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g_trash_stack_peek (GTrashStack **stack_p)
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{
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GTrashStack *data;
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data = *stack_p;
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return data;
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}
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G_INLINE_FUNC guint
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g_trash_stack_height (GTrashStack **stack_p)
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{
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GTrashStack *data;
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guint i = 0;
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for (data = *stack_p; data; data = data->next)
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i++;
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return i;
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}
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#endif /* G_CAN_INLINE || __G_TRASH_STACK_C__ */
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G_END_DECLS
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#endif /* __G_UTILS_H__ */
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