5 * Ethereal - Network traffic analyzer
6 * By Gerald Combs <gerald@ethereal.com>
7 * Copyright 1998 Gerald Combs
9 * Shows display filter byte-code, for debugging dfilter routines.
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 /* With MSVC and a libethereal.dll this file needs to import some variables
27 in a special way. Therefore _NEED_VAR_IMPORT_ is defined. */
28 #define _NEED_VAR_IMPORT_
40 #ifdef NEED_STRERROR_H
45 #include <epan/epan.h>
47 #include <epan/timestamp.h>
48 #include <epan/plugins.h>
49 #include <epan/filesystem.h>
50 #include <epan/prefs.h>
52 #include "epan/dfilter/dfilter.h"
57 static void failure_message(const char *msg_format, va_list ap);
58 static void open_failure_message(const char *filename, int err,
59 gboolean for_writing);
60 static void read_failure_message(const char *filename, int err);
63 main(int argc, char **argv)
66 char *gpf_path, *pf_path;
67 int gpf_open_errno, gpf_read_errno;
68 int pf_open_errno, pf_read_errno;
72 set_timestamp_setting(TS_RELATIVE);
74 /* register all dissectors; we must do this before checking for the
75 "-g" flag, as the "-g" flag dumps a list of fields registered
76 by the dissectors, and we must do it before we read the preferences,
77 in case any dissectors register preferences. */
78 epan_init(PLUGIN_DIR,register_all_protocols,
79 register_all_protocol_handoffs,
80 failure_message, open_failure_message, read_failure_message);
82 /* now register the preferences for any non-dissector modules.
83 we must do that before we read the preferences as well. */
84 prefs_register_modules();
86 /* set the c-language locale to the native environment. */
87 setlocale(LC_ALL, "");
89 prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
90 &pf_open_errno, &pf_read_errno, &pf_path);
91 if (gpf_path != NULL) {
92 if (gpf_open_errno != 0) {
94 "can't open global preferences file \"%s\": %s.\n",
95 pf_path, strerror(gpf_open_errno));
97 if (gpf_read_errno != 0) {
99 "I/O error reading global preferences file \"%s\": %s.\n",
100 pf_path, strerror(gpf_read_errno));
103 if (pf_path != NULL) {
104 if (pf_open_errno != 0) {
106 "can't open your preferences file \"%s\": %s.\n",
107 pf_path, strerror(pf_open_errno));
109 if (pf_read_errno != 0) {
111 "I/O error reading your preferences file \"%s\": %s.\n",
112 pf_path, strerror(pf_read_errno));
116 /* notify all registered modules that have had any of their preferences
117 changed either from one of the preferences file or from the command
118 line that its preferences have changed. */
121 /* Check for filter on command line */
123 fprintf(stderr, "Usage: dftest filter\n");
127 /* Get filter text */
128 text = get_args_as_string(argc, argv, 1);
130 printf("Filter: \"%s\"\n", text);
133 if (!dfilter_compile(text, &df)) {
134 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
138 printf("dfilter ptr = 0x%08x\n", (unsigned int) df);
149 * General errors are reported with an console message in "dftest".
152 failure_message(const char *msg_format, va_list ap)
154 fprintf(stderr, "dftest: ");
155 vfprintf(stderr, msg_format, ap);
156 fprintf(stderr, "\n");
160 * Open/create errors are reported with an console message in "dftest".
163 open_failure_message(const char *filename, int err, gboolean for_writing)
165 fprintf(stderr, "dftest: ");
166 fprintf(stderr, file_open_error_message(err, for_writing), filename);
167 fprintf(stderr, "\n");
171 * Read errors are reported with an console message in "dftest".
174 read_failure_message(const char *filename, int err)
176 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
177 filename, strerror(err));