79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* filter_expressions.c
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* Submitted by Edwin Groothuis <wireshark@mavetju.org>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <glib.h>
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#include <epan/prefs.h>
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#include "epan/filter_expressions.h"
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static struct filter_expression *_filter_expression_head = NULL;
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struct filter_expression **pfilter_expression_head = &_filter_expression_head;
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/*
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* Create a new filter_expression and add it to the end of the list
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* of filter_expressions.
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*/
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struct filter_expression *
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filter_expression_new(const gchar *label, const gchar *expr,
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const gboolean enabled)
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{
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struct filter_expression *expression;
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struct filter_expression *prev;
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expression = (struct filter_expression *)g_malloc(sizeof(struct filter_expression));
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memset(expression, '\0', sizeof(struct filter_expression));
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expression->button = NULL;
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expression->label = g_strdup(label);
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expression->expression = g_strdup(expr);
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expression->enabled = enabled;
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expression->deleted = FALSE;
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expression->index = 0;
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expression->next = NULL;
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/* Add it at the end so the button order is always the same*/
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if (*pfilter_expression_head == NULL) {
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_filter_expression_head = expression;
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} else {
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prev = *pfilter_expression_head;
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while (prev->next != NULL)
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prev = prev->next;
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prev->next = expression;
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expression->index = prev->index + 1;
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}
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return(expression);
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}
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void
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filter_expression_init(gboolean enable_prefs)
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{
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if (enable_prefs)
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prefs.filter_expressions = pfilter_expression_head;
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}
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