misc/bits/syslog.h

   1 /* Checking macros for syslog functions.
   2    Copyright (C) 2005-2023 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    <https://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 __USE_MISC
  28 extern void __vsyslog_chk (int __pri, int __flag, const char *__fmt,
  29                            __gnuc_va_list __ap)
  30      __attribute__ ((__format__ (__printf__, 3, 0)));
  31 #endif
  32
  33 #include <bits/floatn.h>
  34 #if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
  35 # include <bits/syslog-ldbl.h>
  36 #endif
  37
  38 /* The following functions must be used only after applying all asm
  39    redirections, e.g. long double asm redirections.  */
  40
  41 #ifdef __va_arg_pack
  42 __fortify_function void
  43 syslog (int __pri, const char *__fmt, ...)
  44 {
  45   __syslog_chk (__pri, __USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
  46 }
  47 #elif !defined __cplusplus
  48 # define syslog(pri, ...) \
  49   __syslog_chk (pri, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
  50 #endif
  51
  52
  53 #ifdef __USE_MISC
  54 __fortify_function void
  55 vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
  56 {
  57   __vsyslog_chk (__pri,  __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
  58 }
  59 #endif