libsmb/common/smb_syslog.c

	smb_syslog.c revision b819cea2f73f98c5662230cc9affc8cc84f77fcf
/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
 */

#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <dlfcn.h>
#include <errno.h>
#include <string.h>
#include <syslog.h>
#include <smbsrv/libsmb.h>

/*
 * This is exported NODIRECT so that smbd can provide it's own.
 */
void
smb_vsyslog(int pri, const char *fmt, va_list ap)
{
    vsyslog(pri, fmt, ap);
}

/*
 * This is exported NODIRECT so that fksmbd can provide it's own.
 */
void
smb_syslog(int pri, const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    smb_vsyslog(pri, fmt, ap);
    va_end(ap);
}

/*
 * Helper for smb_vsyslog().  Does %m substitutions.
 */
char *
smb_syslog_fmt_m(char *buf, int buflen, const char *str, int err)
{
    char        *bp = buf;
    const char  *sp = str;
    const char  *endp = buf + buflen - 1;

    while ((*bp = *sp) != '\0' && bp != endp) {
        if ((*sp++ == '%') && (*sp == 'm')) {
            sp++;
            if (strerror_r(err, bp, endp - bp) == 0)
                bp += strlen(bp);
        } else {
            bp++;
        }
    }
    *bp = '\0';

    return (buf);
}