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/* $Id: error-handler.h,v 0.2 1997/08/30 18:01:05 yoichi v0_70 $
*
* dhcpcd - DHCP client daemon -
* Copyright (C) 1996 Yoichi Hariguchi <yoichi@fore.com>
*
* Dhcpcd is an RFC2131 and RFC1541 compliant DHCP client daemon.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
extern int errno;
/* logXXX outputs error message to stderr if DebugFlag is 1
* logXXX sends error message to syslog if DebugFlag is 0
*/
extern int DebugFlag;
/* function prototypes
*/
void errSysExit(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: outputs system and user specified error messages to stderr,
* and terminates the process with exit(1).
* modifies: nothing
* returns: nothing
* comment: call this when a system call related error occured and want to
* terminate the process.
*/
void errSysRet(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: outputs system and user specified error messages to stderr.
* modifies: nothing
* returns: nothing
* comment: call this when a system call related error occured.
*/
void errQuit(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: outputs user specified error messages to stderr, and terminates
* the process with exit(1).
* modifies: nothing
* returns: nothing
*/
void errMsg(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: outputs user specified error messages to stderr.
* modifies: nothing
* returns: nothing
*/
void logOpen(const char *ident, int option, int facility);
/* requests: ident: ptr to program name
* option: one of LOG_{CONS, NDELAY, PERROR, PID}
* facility: LOG_XXX in syslog.h (XXX is LOCAL0, USER, etc.)
* effects: it calles 'openlog' if 'DebugFlag' is 1, othewise does nothing.
* modifies: nothing
* returns: nothing
*/
void logSysExit(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: it sends system and user specified error messages to syslog
* if 'DebugFlag' is 1, otherwise outputs them to stderr. it also
* terminates the process with 'exit(2)'.
* modifies: nothing
* returns: nothing
* comment: call this when a system call related error occured.
*/
void logSysRet(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: it sends system and user specified error messages to syslog
* if 'DebugFlag' is 1, otherwise outputs them to stderr.
* modifies: nothing
* returns: nothing
* comment: call this when a system call related error occured.
*/
void logQuit(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: it sends user specified error messages to syslog
* if 'DebugFlag' is 1, otherwise outputs them to stderr. it also
* terminates the process with 'exit(2)'.
* modifies: nothing
* returns: nothing
*/
void logRet(const char *fmt, ...);
/* requests: parameters same as 'printf'
* effects: it sends user specified error messages to syslog
* if 'DebugFlag' is 1, otherwise outputs them to stderr.
* modifies: nothing
* returns: nothing
*/
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