forked from osmocom/wireshark
ee5ca25d31
"epan/..." pathnames, so as to avoid collisions with header files in any of the directories in which we look (e.g., "proto.h", as some other package has its own "proto.h" file which it installs in the top-level include directory). Don't add "-I" flags to search "epan", as that's no longer necessary (and we want includes of "epan" headers to fail if the "epan/" is left out, so that we don't re-introduce includes lacking "epan/"). svn path=/trunk/; revision=4586
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* $Id: dfilter.h,v 1.4 2002/01/21 07:37:37 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 2001 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., 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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/* Passed back to user */
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typedef struct _dfilter_t dfilter_t;
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#include <epan/epan.h>
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#include <epan/proto.h>
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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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/* Run a callback for each interesting field in the dfilter. */
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void
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dfilter_foreach_interesting_field(dfilter_t *df, GFunc func,
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gpointer user_data);
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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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