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.
36 #ifdef NEED_STRERROR_H
41 #include <epan/epan.h>
43 #include <epan/timestamp.h>
44 #include <epan/plugins.h>
45 #include <epan/filesystem.h>
48 #include "epan/dfilter/dfilter.h"
53 static void failure_message(const char *msg_format, va_list ap);
54 static void open_failure_message(const char *filename, int err,
55 gboolean for_writing);
56 static void read_failure_message(const char *filename, int err);
59 main(int argc, char **argv)
62 char *gpf_path, *pf_path;
63 int gpf_open_errno, gpf_read_errno;
64 int pf_open_errno, pf_read_errno;
68 set_timestamp_setting(TS_RELATIVE);
70 /* register all dissectors; we must do this before checking for the
71 "-g" flag, as the "-g" flag dumps a list of fields registered
72 by the dissectors, and we must do it before we read the preferences,
73 in case any dissectors register preferences. */
74 epan_init(PLUGIN_DIR,register_all_protocols,
75 register_all_protocol_handoffs,
76 failure_message, open_failure_message, read_failure_message);
78 /* now register the preferences for any non-dissector modules.
79 we must do that before we read the preferences as well. */
80 prefs_register_modules();
82 /* set the c-language locale to the native environment. */
83 setlocale(LC_ALL, "");
85 prefs = read_prefs(&gpf_open_errno, &gpf_read_errno, &gpf_path,
86 &pf_open_errno, &pf_read_errno, &pf_path);
87 if (gpf_path != NULL) {
88 if (gpf_open_errno != 0) {
90 "can't open global preferences file \"%s\": %s.\n",
91 pf_path, strerror(gpf_open_errno));
93 if (gpf_read_errno != 0) {
95 "I/O error reading global preferences file \"%s\": %s.\n",
96 pf_path, strerror(gpf_read_errno));
99 if (pf_path != NULL) {
100 if (pf_open_errno != 0) {
102 "can't open your preferences file \"%s\": %s.\n",
103 pf_path, strerror(pf_open_errno));
105 if (pf_read_errno != 0) {
107 "I/O error reading your preferences file \"%s\": %s.\n",
108 pf_path, strerror(pf_read_errno));
112 /* notify all registered modules that have had any of their preferences
113 changed either from one of the preferences file or from the command
114 line that its preferences have changed. */
117 /* Check for filter on command line */
119 fprintf(stderr, "Usage: dftest filter\n");
123 /* Get filter text */
124 text = get_args_as_string(argc, argv, 1);
126 printf("Filter: \"%s\"\n", text);
129 if (!dfilter_compile(text, &df)) {
130 fprintf(stderr, "dftest: %s\n", dfilter_error_msg);
134 printf("dfilter ptr = 0x%08x\n", (unsigned int) df);
145 * General errors are reported with an console message in "dftest".
148 failure_message(const char *msg_format, va_list ap)
150 fprintf(stderr, "dftest: ");
151 vfprintf(stderr, msg_format, ap);
152 fprintf(stderr, "\n");
156 * Open/create errors are reported with an console message in "dftest".
159 open_failure_message(const char *filename, int err, gboolean for_writing)
161 fprintf(stderr, "dftest: ");
162 fprintf(stderr, file_open_error_message(err, for_writing), filename);
163 fprintf(stderr, "\n");
167 * Read errors are reported with an console message in "dftest".
170 read_failure_message(const char *filename, int err)
172 fprintf(stderr, "dftest: An error occurred while reading from the file \"%s\": %s.\n",
173 filename, strerror(err));