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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#include <libxfs.h>
#include <stdarg.h>
#include "command.h"
#include "output.h"
#include "sig.h"
#include "malloc.h"
#include "init.h"
static int log_f(int argc, char **argv);
static const cmdinfo_t log_cmd =
{ "log", NULL, log_f, 0, 2, 0, "[stop|start <filename>]",
"start or stop logging to a file", NULL };
int dbprefix;
static FILE *log_file;
static char *log_file_name;
int
dbprintf(const char *fmt, ...)
{
va_list ap;
int i;
if (seenint())
return 0;
va_start(ap, fmt);
blockint();
i = 0;
if (dbprefix)
i += printf("%s: ", fsdevice);
i += vprintf(fmt, ap);
unblockint();
va_end(ap);
if (log_file) {
va_start(ap, fmt);
vfprintf(log_file, fmt, ap);
va_end(ap);
}
return i;
}
static int
log_f(
int argc,
char **argv)
{
if (argc == 1) {
if (log_file)
dbprintf("logging to %s\n", log_file_name);
else
dbprintf("no log file\n");
} else if (argc == 2 && strcmp(argv[1], "stop") == 0) {
if (log_file) {
xfree(log_file_name);
fclose(log_file);
log_file = NULL;
} else
dbprintf("no log file\n");
} else if (argc == 3 && strcmp(argv[1], "start") == 0) {
if (log_file)
dbprintf("already logging to %s\n", log_file_name);
else {
log_file = fopen(argv[2], "a");
if (log_file == NULL)
dbprintf("can't open %s for writing\n",
argv[2]);
else
log_file_name = xstrdup(argv[1]);
}
} else
dbprintf("bad log command, ignored\n");
return 0;
}
void
logprintf(const char *fmt, ...)
{
va_list ap;
if (log_file) {
va_start(ap, fmt);
(void)vfprintf(log_file, fmt, ap);
va_end(ap);
}
}
void
output_init(void)
{
add_command(&log_cmd);
}
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