1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 #include <libpspp/message.h>
31 #include <libpspp/alloc.h>
32 #include <libpspp/version.h>
35 #include "xvasprintf.h"
37 /* Current command name as set by msg_set_command_name(). */
38 static char *command_name;
40 /* Message handler as set by msg_init(). */
41 static void (*msg_handler) (const struct msg *);
42 static void (*msg_location) (struct msg_locator *);
45 /* Disables emitting messages if positive. */
46 static int messages_disabled;
48 /* Public functions. */
50 /* Writes error message in CLASS, with text FORMAT, formatted with
51 printf, to the standard places. */
53 msg (enum msg_class class, const char *format, ...)
58 m.category = msg_class_to_category (class);
59 m.severity = msg_class_to_severity (class);
60 va_start (args, format);
61 m.text = xvasprintf (format, args);
68 msg_init ( void (*handler) (const struct msg *),
69 void (*location) (struct msg_locator *) )
71 msg_handler = handler;
72 msg_location = location;
81 /* Duplicate a message */
83 msg_dup(const struct msg *m)
85 struct msg *new_msg = xmalloc (sizeof *m);
88 new_msg->text = strdup(m->text);
94 msg_destroy(struct msg *m)
100 /* Emits M as an error message.
101 Frees allocated data in M. */
103 msg_emit (struct msg *m)
105 msg_location (&m->where);
106 if (!messages_disabled)
111 /* Disables message output until the next call to msg_enable. If
112 this function is called multiple times, msg_enable must be
113 called an equal number of times before messages are actually
121 /* Enables message output that was disabled by msg_disable. */
125 assert (messages_disabled > 0);
129 /* Private functions. */
131 /* Sets COMMAND_NAME as the command name included in some kinds
132 of error messages. */
134 msg_set_command_name (const char *command_name_)
137 command_name = command_name_ ? xstrdup (command_name_) : NULL;
140 /* Returns the current command name, or NULL if none. */
142 msg_get_command_name (void)
148 request_bug_report_and_abort (const char *msg)
150 fprintf (stderr, "******************************************************\n");
151 fprintf (stderr, "You have discovered a bug in PSPP. Please report this\n");
152 fprintf (stderr, "to " PACKAGE_BUGREPORT ". Please include this entire\n");
153 fprintf (stderr, "message, *plus* several lines of output just above it.\n");
154 fprintf (stderr, "For the best chance at having the bug fixed, also\n");
155 fprintf (stderr, "include the syntax file that triggered it and a sample\n");
156 fprintf (stderr, "of any data file used for input.\n");
157 fprintf (stderr, "proximate cause: %s\n", msg);
158 fprintf (stderr, "version: %s\n", stat_version);
159 fprintf (stderr, "host_system: %s\n", host_system);
160 fprintf (stderr, "build_system: %s\n", build_system);
161 fprintf (stderr, "default_config_path: %s\n", default_config_path);
162 fprintf (stderr, "include_path: %s\n", include_path);
163 fprintf (stderr, "locale_dir: %s\n", locale_dir);
164 fprintf (stderr, "compiler version: %s\n",
171 fprintf (stderr, "******************************************************\n");
173 _exit (EXIT_FAILURE);