misc/bits/syslog.h

   1 /* Checking macros for syslog functions.
   2    Copyright (C) 2005-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_SYSLOG_H
  20 # error "Never include <bits/syslog.h> directly; use <sys/syslog.h> instead."
  21 #endif
  22
  23
  24 extern void __syslog_chk (int __pri, int __flag, const char *__fmt, ...)
  25      __attribute__ ((__format__ (__printf__, 3, 4)));
  26
  27 #ifdef __va_arg_pack
  28 __fortify_function void
  29 syslog (int __pri, const char *__fmt, ...)
  30 {
  31   __syslog_chk (__pri, __USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
  32 }
  33 #elif !defined __cplusplus
  34 # define syslog(pri, ...) \
  35   __syslog_chk (pri, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
  36 #endif
  37
  38
  39 #ifdef __USE_MISC
  40 extern void __vsyslog_chk (int __pri, int __flag, const char *__fmt,
  41                            __gnuc_va_list __ap)
  42      __attribute__ ((__format__ (__printf__, 3, 0)));
  43
  44 __fortify_function void
  45 vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
  46 {
  47   __vsyslog_chk (__pri,  __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
  48 }
  49 #endif