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/*
** Copyright (C) 2003-2006 Christophe Kalt
**
** This file is part of shush,
** see the LICENSE file for details on your rights.
*/
#include "os.h"
#include <stdarg.h>
#include <syslog.h>
#include "error.h"
#include "gethostname.h"
#ifndef lint
static char const rcsid[] = "@(#)$Id: error.c 1404 2008-03-08 23:25:46Z kalt $";
#endif
static int prefix, tosyslog;
static char *task, *id;
/*
** error_init
** Whether or not to write a header prior to any error message
*/
void
error_init(char *name, char *jid, int copytosyslog)
{
task = name;
id = jid;
if (name == NULL)
prefix = 1;
else
prefix = 0;
tosyslog = copytosyslog;
}
/*
** error
** output a message optionally preceeded by a header
*/
void
error(char *format, ...)
{
va_list va;
if (task != NULL)
{
if (*id != '\0')
fprintf(stderr, "%s[%s] encountered the following error(s) while running \"%s\" on host %s:\n\n", myname, task, id, get_hostname(0));
else
fprintf(stderr, "%s encountered the following error(s) while running \"%s\" on host %s:\n\n", myname, task, get_hostname(0));
task = NULL;
}
if (prefix)
fprintf(stderr, "%s: ", myname);
va_start(va, format);
vfprintf(stderr, format, va);
fprintf(stderr, "\n");
fflush(stderr);
if (tosyslog)
vsyslog(LOG_ERR, format, va);
va_end(va);
}
#undef abort
/*
** myassert
** _assert() replacement
*/
void
myassert(char *assertion, char *file, char *function, int line)
{
if (function != NULL)
error("Assertion failed: %s, file %s, function %s, line %d",
assertion, file, function, line);
else
error("Assertion failed: %s, file %s, line %d", assertion, file, line);
abort();
}
/*
** myabort()
** abort() replacement
*/
void
myabort(char *file, char *function, int line)
{
if (function != NULL)
error("The impossible just happened: line %d in function \"%s\" in file %s was reached!", line, function, file);
else
error("The impossible just happened: line %d in file %s was reached!",
line, file);
abort();
}
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