--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lib/failures.c	Fri Aug 09 12:15:38 2002 +0300
@@ -0,0 +1,228 @@
+/*
+ failures.c : Failure manager
+
+    Copyright (c) 2001-2002 Timo Sirainen
+
+    Permission is hereby granted, free of charge, to any person obtaining
+    a copy of this software and associated documentation files (the
+    "Software"), to deal in the Software without restriction, including
+    without limitation the rights to use, copy, modify, merge, publish,
+    distribute, sublicense, and/or sell copies of the Software, and to
+    permit persons to whom the Software is furnished to do so, subject to
+    the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+
+#include "lib.h"
+#include "ioloop.h"
+
+#include <stdio.h>
+#include <syslog.h>
+#include <time.h>
+
+static FailureFunc panic_handler __attr_noreturn__, fatal_handler __attr_noreturn__;
+static FailureFunc error_handler, warning_handler;
+
+static FILE *log_fd;
+static char *log_prefix, *log_stamp_format;
+
+static void default_panic_handler(const char *format, va_list args)
+	__attr_noreturn__;
+static void default_fatal_handler(const char *format, va_list args)
+	__attr_noreturn__;
+
+static void write_prefix(void)
+{
+	struct tm *tm;
+	char str[256];
+
+	if (log_prefix != NULL)
+		fputs(log_prefix, log_fd);
+
+	if (log_stamp_format != NULL) {
+		tm = localtime(&ioloop_time);
+
+		if (strftime(str, sizeof(str), log_stamp_format, tm) > 0)
+			fputs(str, log_fd);
+	}
+}
+
+static void default_panic_handler(const char *format, va_list args)
+{
+	write_prefix();
+
+	fputs("Panic: ", log_fd);
+	vfprintf(log_fd, format, args);
+	fputc('\n', log_fd);
+
+	abort();
+}
+
+static void default_fatal_handler(const char *format, va_list args)
+{
+	write_prefix();
+
+	fputs("Fatal: ", log_fd);
+	vfprintf(log_fd, format, args);
+	fputc('\n', log_fd);
+
+	exit(98);
+}
+
+static void default_error_handler(const char *format, va_list args)
+{
+	write_prefix();
+
+	fputs("Error: ", log_fd);
+	vfprintf(log_fd, format, args);
+        fputc('\n', log_fd);
+
+	fflush(log_fd);
+}
+
+static void default_warning_handler(const char *format, va_list args)
+{
+	write_prefix();
+
+	fputs("Warning: ", log_fd);
+	vfprintf(log_fd, format, args);
+        fputc('\n', log_fd);
+
+	fflush(log_fd);
+}
+
+void i_panic(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	panic_handler(format, args);
+	va_end(args);
+}
+
+void i_fatal(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	fatal_handler(format, args);
+	va_end(args);
+}
+
+void i_error(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	error_handler(format, args);
+	va_end(args);
+}
+
+void i_warning(const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	warning_handler(format, args);
+	va_end(args);
+}
+
+void i_set_panic_handler(FailureFunc func __attr_noreturn__)
+{
+	if (func == NULL)
+		func = default_panic_handler;
+        panic_handler = func;
+}
+
+void i_set_fatal_handler(FailureFunc func __attr_noreturn__)
+{
+	if (func == NULL)
+		func = default_fatal_handler;
+        fatal_handler = func;
+}
+
+void i_set_error_handler(FailureFunc func)
+{
+	if (func == NULL)
+		func = default_error_handler;
+        error_handler = func;
+}
+
+void i_set_warning_handler(FailureFunc func)
+{
+	if (func == NULL)
+		func = default_warning_handler;
+        warning_handler = func;
+}
+
+void i_syslog_panic_handler(const char *fmt, va_list args)
+{
+	vsyslog(LOG_CRIT, fmt, args);
+        abort();
+}
+
+void i_syslog_fatal_handler(const char *fmt, va_list args)
+{
+	vsyslog(LOG_CRIT, fmt, args);
+	exit(98);
+}
+
+void i_syslog_error_handler(const char *fmt, va_list args)
+{
+	vsyslog(LOG_ERR, fmt, args);
+}
+
+void i_syslog_warning_handler(const char *fmt, va_list args)
+{
+	vsyslog(LOG_WARNING, fmt, args);
+}
+
+void i_set_failure_file(const char *path, const char *prefix)
+{
+	if (log_fd != stderr)
+		(void)fclose(log_fd);
+
+	log_fd = fopen(path, "a");
+	if (log_fd == NULL)
+		i_fatal("Can't open log file %s: %m", path);
+
+	i_free(log_prefix);
+	log_prefix = i_strconcat(prefix, ": ", NULL);
+}
+
+void i_set_failure_timestamp_format(const char *fmt)
+{
+	i_free(log_stamp_format);
+        log_stamp_format = i_strdup(fmt);
+}
+
+void failures_init(void)
+{
+	log_fd = stderr;
+	log_prefix = NULL;
+        log_stamp_format = NULL;
+
+        i_set_panic_handler(NULL);
+        i_set_fatal_handler(NULL);
+        i_set_error_handler(NULL);
+        i_set_warning_handler(NULL);
+}
+
+void failures_deinit(void)
+{
+	if (log_fd != stderr) {
+		(void)fclose(log_fd);
+		log_fd = stderr;
+	}
+}