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/*
* Copyright (c) 2023 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/syslog.h>
#include <sys/tty.h>
#include <string.h>
static struct tty syslog_tty;
static void
syslog_handle_fmt(va_list *ap, char fmt_spec)
{
char tmp_ch;
int64_t tmp_int;
const char *tmp_str;
char tmp_buf[256] = { 0 };
switch (fmt_spec) {
case 'c':
tmp_ch = va_arg(*ap, int);
tty_write(&syslog_tty, &tmp_ch, 1);
break;
case 's':
tmp_str = va_arg(*ap, const char *);
tty_write(&syslog_tty, tmp_str, strlen(tmp_str));
break;
case 'd':
tmp_int = va_arg(*ap, int64_t);
itoa(tmp_int, tmp_buf, 10);
tty_write(&syslog_tty, tmp_buf, strlen(tmp_buf));
break;
case 'x':
tmp_int = va_arg(*ap, uint64_t);
itoa(tmp_int, tmp_buf, 16);
tty_write(&syslog_tty, tmp_buf + 2, strlen(tmp_buf) - 2);
break;
}
}
void
vkprintf(const char *fmt, va_list *ap)
{
while (*fmt) {
if (*fmt == '%') {
++fmt;
syslog_handle_fmt(ap, *fmt++);
} else {
tty_write(&syslog_tty, fmt++, 1);
}
}
}
void
kprintf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vkprintf(fmt, &ap);
va_end(ap);
}
void
syslog_init(void)
{
tty_set_defaults(&syslog_tty);
tty_attach(&syslog_tty);
}
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