common/replacements/vsyslog.c

   1 /* nbdkit
   2  * Copyright Red Hat
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <stdarg.h>
  38
  39 #ifndef HAVE_SYSLOG_H
  40
  41 #include "syslog.h"
  42
  43 #ifdef WIN32
  44
  45 /* Replacement vsyslog for Win32. */
  46
  47 #include <windows.h>
  48
  49 #include "win32/nbdkit-cat.h"
  50
  51 extern HANDLE event_source;
  52
  53 void
  54 vsyslog (int pri, const char *fmt, va_list args)
  55 {
  56   char *str;
  57   const char *strs[1];
  58
  59   if (vasprintf (&str, fmt, args) == -1)
  60     return;
  61   strs[0] = str;
  62
  63   ReportEventA (event_source, EVENTLOG_ERROR_TYPE, 0,
  64                 NBDKIT_SYSLOG_ERROR, NULL, 1, 0, strs, NULL);
  65
  66   free (str);
  67 }
  68
  69 #else /* !WIN32 */
  70 #error "no replacement vsyslog is available on this platform"
  71 #endif
  72
  73 #endif /* !HAVE_SYSLOG_H */