3 Shared versions of debug(), log(), etc.
8 RCSID("$OpenBSD: log.c,v 1.2 1999/11/19 16:04:17 markus Exp $");
13 /* Fatal messages. This function never returns. */
16 fatal(const char *fmt, ...)
20 do_log(SYSLOG_LEVEL_FATAL, fmt, args);
25 /* Error messages that should be logged. */
28 error(const char *fmt, ...)
32 do_log(SYSLOG_LEVEL_ERROR, fmt, args);
36 /* Log this message (information that usually should go to the log). */
39 log(const char *fmt, ...)
43 do_log(SYSLOG_LEVEL_INFO, fmt, args);
47 /* More detailed messages (information that does not need to go to the log). */
50 chat(const char *fmt, ...)
54 do_log(SYSLOG_LEVEL_CHAT, fmt, args);
58 /* Debugging messages that should not be logged during normal operation. */
61 debug(const char *fmt, ...)
65 do_log(SYSLOG_LEVEL_DEBUG, fmt, args);
73 struct fatal_cleanup *next;
78 static struct fatal_cleanup *fatal_cleanups = NULL;
80 /* Registers a cleanup function to be called by fatal() before exiting. */
83 fatal_add_cleanup(void (*proc)(void *), void *context)
85 struct fatal_cleanup *cu;
87 cu = xmalloc(sizeof(*cu));
89 cu->context = context;
90 cu->next = fatal_cleanups;
94 /* Removes a cleanup frunction to be called at fatal(). */
97 fatal_remove_cleanup(void (*proc)(void *context), void *context)
99 struct fatal_cleanup **cup, *cu;
101 for (cup = &fatal_cleanups; *cup; cup = &cu->next)
104 if (cu->proc == proc && cu->context == context)
111 fatal("fatal_remove_cleanup: no such cleanup function: 0x%lx 0x%lx\n",
112 (unsigned long)proc, (unsigned long)context);
115 /* Cleanup and exit */
119 struct fatal_cleanup *cu, *next_cu;
120 static int called = 0;
125 /* Call cleanup functions. */
126 for (cu = fatal_cleanups; cu; cu = next_cu)
129 debug("Calling cleanup 0x%lx(0x%lx)",
130 (unsigned long)cu->proc, (unsigned long)cu->context);
131 (*cu->proc)(cu->context);
137 /* textual representation of log-facilities/levels */
146 { "DAEMON", SYSLOG_FACILITY_DAEMON },
147 { "USER", SYSLOG_FACILITY_USER },
148 { "AUTH", SYSLOG_FACILITY_AUTH },
149 { "LOCAL0", SYSLOG_FACILITY_LOCAL0 },
150 { "LOCAL1", SYSLOG_FACILITY_LOCAL1 },
151 { "LOCAL2", SYSLOG_FACILITY_LOCAL2 },
152 { "LOCAL3", SYSLOG_FACILITY_LOCAL3 },
153 { "LOCAL4", SYSLOG_FACILITY_LOCAL4 },
154 { "LOCAL5", SYSLOG_FACILITY_LOCAL5 },
155 { "LOCAL6", SYSLOG_FACILITY_LOCAL6 },
156 { "LOCAL7", SYSLOG_FACILITY_LOCAL7 },
166 { "QUIET", SYSLOG_LEVEL_QUIET },
167 { "FATAL", SYSLOG_LEVEL_FATAL },
168 { "ERROR", SYSLOG_LEVEL_ERROR },
169 { "INFO", SYSLOG_LEVEL_INFO },
170 { "CHAT", SYSLOG_LEVEL_CHAT },
171 { "DEBUG", SYSLOG_LEVEL_DEBUG },
176 log_facility_number(char *name)
180 for (i = 0; log_facilities[i].name; i++)
181 if (strcasecmp(log_facilities[i].name, name) == 0)
182 return log_facilities[i].val;
183 return (SyslogFacility)-1;
187 log_level_number(char *name)
191 for (i = 0; log_levels[i].name; i++)
192 if (strcasecmp(log_levels[i].name, name) == 0)
193 return log_levels[i].val;