ubase/linux/syslog.c

43 lines
682 B
C

/* See LICENSE file for copyright and license details. */
#include <sys/klog.h>
#include <unistd.h>
#include <stdio.h>
enum {
SYSLOG_ACTION_READ_ALL = 3,
SYSLOG_ACTION_SIZE_BUFFER = 10
};
int
syslog_size(void)
{
return klogctl(SYSLOG_ACTION_SIZE_BUFFER, NULL, 0);
}
int
syslog_read(void *buf, size_t n)
{
return klogctl(SYSLOG_ACTION_READ_ALL, buf, n);
}
int
syslog_show(int fd, const void *buf, size_t n)
{
int last = '\n';
const char *p = buf;
size_t i;
for (i = 0; i < n; ) {
if (last == '\n' && p[i] == '<') {
i += 2;
if (i + 1 < n && p[i + 1] == '>')
i++;
} else {
if (write(fd, &p[i], 1) != 1)
return -1;
}
last = p[i++];
}
return 0;
}