116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
/* error.h - Error handling
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Copyright (C) 2000, 2001 Thomas Moestl
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Copyright (C) 2003, 2004, 2011 Paul A. Rombouts
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This file is part of the pdnsd package.
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pdnsd is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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pdnsd is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pdnsd; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#ifndef ERROR_H
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#define ERROR_H
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#include <config.h>
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#include <time.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <signal.h>
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#include <syslog.h>
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#include "thread.h"
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#include "helpers.h"
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#include "pdnsd_assert.h"
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/* --- from error.c */
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extern volatile short int use_log_lock;
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/* --- */
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void crash_msg(char *msg);
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inline static void init_log_lock(void) __attribute__((always_inline));
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inline static void init_log_lock(void)
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{
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use_log_lock=1;
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}
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void log_message(int prior,const char *s, ...) printfunc(2, 3);
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#if !defined(CPP_C99_VARIADIC_MACROS)
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/* GNU C Macro Varargs style. */
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#define log_error(args...) log_message(LOG_ERR,args)
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#define log_warn(args...) log_message(LOG_WARNING,args)
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#define log_info(level,args...) {if((level)<=global.verbosity) log_message(LOG_INFO,args);}
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#else
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/* ANSI C99 style. */
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#define log_error(...) log_message(LOG_ERR,__VA_ARGS__)
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#define log_warn(...) log_message(LOG_WARNING,__VA_ARGS__)
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#define log_info(level,...) {if((level)<=global.verbosity) log_message(LOG_INFO,__VA_ARGS__);}
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#endif
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/* Following are some ugly macros for debug messages that
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* should inhibit any code generation when DEBUG is not defined.
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* Of course, those messages could be done in a function, but I
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* want to save the overhead when DEBUG is not defined.
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* debug_p needs to be defined (by including conff.h), or you
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* will get strange errors.
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* A macro call expands to a complete statement, so a semicolon after
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* the macro call is redundant.
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* The arguments are normal printfs, so you know how to use the args
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*/
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#if DEBUG>0
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void debug_msg(int c, const char *fmt, ...) printfunc(2, 3);
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/* from main.c */
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extern FILE *dbg_file;
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#endif
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#if !defined(CPP_C99_VARIADIC_MACROS)
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/* GNU C Macro Varargs style. */
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# if DEBUG > 0
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# define DEBUG_MSG(args...) {if (debug_p) debug_msg(0,args);}
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# define DEBUG_MSGC(args...) {if (debug_p) debug_msg(1,args);}
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# define DEBUG_PDNSDA_MSG(args...) {char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(args);}
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# define PDNSDA2STR(a) pdnsd_a2str(a,_debugsockabuf,sizeof(_debugsockabuf))
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# define DEBUG_RHN_MSG(args...) {unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(args);}
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# define RHN2STR(a) rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
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# else
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# define DEBUG_MSG(args...)
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# define DEBUG_MSGC(args...)
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# define DEBUG_PDNSDA_MSG(args...)
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# define DEBUG_RHN_MSG(args...)
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# endif /* DEBUG > 0 */
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#else
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/* ANSI C99 style. */
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# if DEBUG > 0
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/*
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* XXX: The ANSI and GCC variadic macros should be merged as far as possible, but that
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* might make things even more messy...
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*/
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# define DEBUG_MSG(...) {if (debug_p) debug_msg(0,__VA_ARGS__);}
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# define DEBUG_MSGC(...) {if (debug_p) debug_msg(1,__VA_ARGS__);}
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# define DEBUG_PDNSDA_MSG(...) {char _debugsockabuf[ADDRSTR_MAXLEN]; DEBUG_MSG(__VA_ARGS__);}
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# define PDNSDA2STR(a) pdnsd_a2str(a,_debugsockabuf,ADDRSTR_MAXLEN)
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# define DEBUG_RHN_MSG(...) {unsigned char _debugstrbuf[DNSNAMEBUFSIZE]; DEBUG_MSG(__VA_ARGS__);}
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# define RHN2STR(a) rhn2str(a,_debugstrbuf,sizeof(_debugstrbuf))
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# else
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# define DEBUG_MSG(...)
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# define DEBUG_MSGC(...)
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# define DEBUG_PDNSDA_MSG(...)
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# define DEBUG_RHN_MSG(...)
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# endif /* DEBUG > 0 */
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#endif
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#endif
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