55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
|
|
* Wireshark - Network traffic analyzer
|
|
*
|
|
* Copyright 2006 Gilbert Ramirez <gram@alumni.rice.edu>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef DFUNCTIONS_H
|
|
#define DFUNCTIONS_H
|
|
|
|
#include <glib.h>
|
|
#include <ftypes/ftypes.h>
|
|
#include "syntax-tree.h"
|
|
|
|
/* The run-time logic of the dfilter function */
|
|
typedef gboolean (*DFFuncType)(GList *arg1list, GList *arg2list, GList **retval);
|
|
|
|
/* The semantic check for the dfilter function */
|
|
typedef void (*DFSemCheckType)(dfwork_t *dfw, int param_num, stnode_t *st_node);
|
|
|
|
/* If a function needs more args than this, increase
|
|
* this macro and add more arg members to the dfvm_insn_t
|
|
* struct in dfvm.h, and add some logic to dfw_append_function()
|
|
* and dfvm_apply() */
|
|
#define DFUNCTION_MAX_NARGS 2
|
|
|
|
/* This is a "function definition" record, holding everything
|
|
* we need to know about a function */
|
|
typedef struct {
|
|
const char *name;
|
|
DFFuncType function;
|
|
ftenum_t retval_ftype;
|
|
guint min_nargs;
|
|
guint max_nargs;
|
|
DFSemCheckType semcheck_param_function;
|
|
} df_func_def_t;
|
|
|
|
/* Return the function definition record for a function of named "name" */
|
|
df_func_def_t* df_func_lookup(char *name);
|
|
|
|
#endif
|