84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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* $Id: dfilter.h,v 1.2 2001/02/01 20:31:18 gram Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 2001 Gerald Combs
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*
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef DFILTER_H
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#define DFILTER_H
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#include <glib.h>
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#include "epan.h"
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#include "proto.h"
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/* Passed back to user */
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typedef struct _dfilter_t dfilter_t;
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/* Module-level initialization */
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void
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dfilter_init(void);
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/* Module-level cleanup */
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void
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dfilter_cleanup(void);
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/* Compiles a string to a dfilter_t.
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* On success, sets the dfilter* pointed to by dfp
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* to either a NULL pointer (if the filter is a null
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* filter, as generated by an all-blank string) or to
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* a pointer to the newly-allocated dfilter_t
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* structure.
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*
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* On failure, dfilter_error_msg points to an
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* appropriate error message. This error message is
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* a global string, so another invocation of
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* dfilter_compile() will clear it. The dfilter*
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* will be set to NULL after a failure.
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*
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* Returns TRUE on success, FALSE on failure.
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*/
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gboolean
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dfilter_compile(gchar *text, dfilter_t **dfp);
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/* Frees all memory used by dfilter, and frees
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* the dfilter itself. */
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void
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dfilter_free(dfilter_t *df);
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/* dfilter_error_msg is NULL if there was no error during dfilter_compile,
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* otherwise it points to a displayable error message. */
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extern gchar *dfilter_error_msg;
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/* Apply compiled dfilter */
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gboolean
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dfilter_apply_edt(dfilter_t *df, epan_dissect_t* edt);
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/* Apply compiled dfilter */
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gboolean
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dfilter_apply(dfilter_t *df, tvbuff_t *tvb, proto_tree *tree);
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/* Print bytecode of dfilter to stdout */
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void
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dfilter_dump(dfilter_t *df);
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#endif
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