usr/src/lib/smbsrv/libsmb/common/smb_syslog.c

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  14  */
  15
  16 #include <stdio.h>
  17 #include <stdarg.h>
  18 #include <assert.h>
  19 #include <dlfcn.h>
  20 #include <errno.h>
  21 #include <string.h>
  22 #include <syslog.h>
  23 #include <smbsrv/libsmb.h>
  24
  25 void
  26 smb_vsyslog(int pri, const char *fmt, va_list ap)
  27 {
  28         vsyslog(pri, fmt, ap);
  29 }
  30
  31 void
  32 smb_syslog(int pri, const char *fmt, ...)
  33 {
  34         va_list ap;
  35
  36         va_start(ap, fmt);
  37         smb_vsyslog(pri, fmt, ap);
  38         va_end(ap);
  39 }
  40
  41 /*
  42  * Helper for smb_vsyslog().  Does %m substitutions.
  43  */
  44 char *
  45 smb_syslog_fmt_m(char *buf, int buflen, const char *str, int err)
  46 {
  47         char            *bp = buf;
  48         const char      *sp = str;
  49         const char      *endp = buf + buflen - 1;
  50
  51         while ((*bp = *sp) != '\0' && bp != endp) {
  52                 if ((*sp++ == '%') && (*sp == 'm')) {
  53                         sp++;
  54                         if (strerror_r(err, bp, endp - bp) == 0)
  55                                 bp += strlen(bp);
  56                 } else {
  57                         bp++;
  58                 }
  59         }
  60         *bp = '\0';
  61
  62         return (buf);
  63 }