mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-30 03:54:10 +01:00
130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <vis.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
FILE *log_file;
|
|
|
|
void log_event_cb(int, const char *);
|
|
void log_vwrite(const char *, va_list);
|
|
|
|
/* Log callback for libevent. */
|
|
void
|
|
log_event_cb(unused int severity, const char *msg)
|
|
{
|
|
log_debug("%s", msg);
|
|
}
|
|
|
|
/* Open logging to file. */
|
|
void
|
|
log_open(const char *path)
|
|
{
|
|
if (log_file != NULL)
|
|
fclose(log_file);
|
|
|
|
log_file = fopen(path, "w");
|
|
if (log_file == NULL)
|
|
return;
|
|
|
|
setvbuf(log_file, NULL, _IOLBF, 0);
|
|
event_set_log_callback(log_event_cb);
|
|
}
|
|
|
|
/* Close logging. */
|
|
void
|
|
log_close(void)
|
|
{
|
|
if (log_file != NULL)
|
|
fclose(log_file);
|
|
log_file = NULL;
|
|
|
|
event_set_log_callback(NULL);
|
|
}
|
|
|
|
/* Write a log message. */
|
|
void
|
|
log_vwrite(const char *msg, va_list ap)
|
|
{
|
|
char *fmt, *out;
|
|
struct timeval tv;
|
|
|
|
if (log_file == NULL)
|
|
return;
|
|
|
|
if (vasprintf(&fmt, msg, ap) == -1)
|
|
exit(1);
|
|
if (stravis(&out, fmt, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL) == -1)
|
|
exit(1);
|
|
|
|
gettimeofday(&tv, NULL);
|
|
if (fprintf(log_file, "%lld.%06d %s\n", (long long)tv.tv_sec,
|
|
(int)tv.tv_usec, out) == -1)
|
|
exit(1);
|
|
fflush(log_file);
|
|
|
|
free(out);
|
|
free(fmt);
|
|
}
|
|
|
|
/* Log a debug message. */
|
|
void
|
|
log_debug(const char *msg, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, msg);
|
|
log_vwrite(msg, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
/* Log a critical error with error string and die. */
|
|
__dead void
|
|
log_fatal(const char *msg, ...)
|
|
{
|
|
char *fmt;
|
|
va_list ap;
|
|
|
|
va_start(ap, msg);
|
|
if (asprintf(&fmt, "fatal: %s: %s", msg, strerror(errno)) == -1)
|
|
exit(1);
|
|
log_vwrite(fmt, ap);
|
|
exit(1);
|
|
}
|
|
|
|
/* Log a critical error and die. */
|
|
__dead void
|
|
log_fatalx(const char *msg, ...)
|
|
{
|
|
char *fmt;
|
|
va_list ap;
|
|
|
|
va_start(ap, msg);
|
|
if (asprintf(&fmt, "fatal: %s", msg) == -1)
|
|
exit(1);
|
|
log_vwrite(fmt, ap);
|
|
exit(1);
|
|
}
|