iPXE
log.c
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1 /*
2  * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 /** @file
27  *
28  * System logger
29  *
30  */
31 
32 #include <stdarg.h>
33 #include <syslog.h>
34 #include <ipxe/console.h>
35 
36 /**
37  * Write message to system log
38  *
39  * @v fmt Format string
40  * @v args Arguments
41  */
42 void log_vprintf ( const char *fmt, va_list args ) {
43  int saved_usage;
44 
45  /* Mark console as in use for log messages */
47 
48  /* Print message */
49  vprintf ( fmt, args );
50 
51  /* Restore console usage */
53 }
54 
55 /**
56  * Write message to system log
57  *
58  * @v fmt Format string
59  * @v ... Arguments
60  */
61 void log_printf ( const char *fmt, ... ) {
62  va_list args;
63 
64  va_start ( args, fmt );
65  log_vprintf ( fmt, args );
66  va_end ( args );
67 }
#define va_end(ap)
Definition: stdarg.h:9
void log_printf(const char *fmt,...)
Write message to system log.
Definition: log.c:61
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
User interaction.
System logger.
#define CONSOLE_USAGE_LOG
Log messages.
Definition: console.h:150
__builtin_va_list va_list
Definition: stdarg.h:6
static int console_set_usage(int usage)
Set console usage.
Definition: console.h:187
static unsigned int saved_usage
Definition: ansi_screen.c:13
int ssize_t const char * fmt
Definition: vsprintf.h:72
void log_vprintf(const char *fmt, va_list args)
Write message to system log.
Definition: log.c:42
int vprintf(const char *fmt, va_list args)
Write a formatted string to the console.
Definition: vsprintf.c:449
#define va_start(ap, last)
Definition: stdarg.h:7