95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
|
|
* libdivecomputer
|
|
*
|
|
* Copyright (C) 2008 Jef Driesen
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
|
|
#include "utils.h"
|
|
|
|
static FILE* g_logfile = NULL;
|
|
|
|
static unsigned char g_lastchar = '\n';
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
static unsigned long g_timestamp;
|
|
#else
|
|
#include <sys/time.h>
|
|
static struct timeval g_timestamp;
|
|
#endif
|
|
|
|
int message (const char* fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (g_logfile) {
|
|
if (g_lastchar == '\n') {
|
|
#ifdef _WIN32
|
|
unsigned long timestamp = GetTickCount () - g_timestamp;
|
|
unsigned long sec = timestamp / 1000L, msec = timestamp % 1000L;
|
|
fprintf (g_logfile, "[%li.%03li] ", sec, msec);
|
|
#else
|
|
struct timeval now, timestamp;
|
|
gettimeofday (&now, NULL);
|
|
timersub (&now, &g_timestamp, ×tamp);
|
|
fprintf (g_logfile, "[%lli.%06lli] ", (long long)timestamp.tv_sec, (long long)timestamp.tv_usec);
|
|
#endif
|
|
}
|
|
|
|
size_t len = strlen (fmt);
|
|
if (len > 0)
|
|
g_lastchar = fmt[len - 1];
|
|
else
|
|
g_lastchar = 0;
|
|
|
|
va_start (ap, fmt);
|
|
vfprintf (g_logfile, fmt, ap);
|
|
va_end (ap);
|
|
}
|
|
|
|
va_start (ap, fmt);
|
|
int rc = vfprintf (stdout, fmt, ap);
|
|
va_end (ap);
|
|
|
|
return rc;
|
|
}
|
|
|
|
void message_set_logfile (const char* filename)
|
|
{
|
|
if (g_logfile) {
|
|
fclose (g_logfile);
|
|
g_logfile = NULL;
|
|
}
|
|
|
|
if (filename)
|
|
g_logfile = fopen (filename, "w");
|
|
|
|
if (g_logfile) {
|
|
g_lastchar = '\n';
|
|
#ifdef _WIN32
|
|
g_timestamp = GetTickCount ();
|
|
#else
|
|
gettimeofday (&g_timestamp, NULL);
|
|
#endif
|
|
}
|
|
}
|