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/*
* emu68 - error message handler
* Copyright (C) 2001-2009 Benjamin Gerard
* <benjihan -4t- users.sourceforge -d0t- net>
*
* This program 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/* $Id: error68.c 116 2009-06-18 14:09:54Z benjihan $ */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "error68.h"
#ifdef MAXERROR
#undef MAXERROR
#endif
#ifdef MAXERRORSTR
#undef MAXERRORSTR
#endif
#define MAXERROR (sizeof(emu68->err)/sizeof(emu68->err[0]))
#define MAXERRORSTR sizeof(emu68->err[0])
/* Push error message
*/
int emu68_error_add(emu68_t * const emu68, const char * format, ...)
{
if (emu68 && format) {
va_list list;
int n = emu68->nerr;
if (n >= MAXERROR) {
memmove(emu68->err[0],emu68->err[1],MAXERRORSTR*(MAXERROR-1));
n = MAXERROR-1;
}
va_start(list,format);
vsnprintf(emu68->err[n],MAXERRORSTR,format,list);
va_end(list);
emu68->err[n][MAXERRORSTR-1] = 0;
emu68->nerr = ++n;
}
return -1;
}
/* Pop error message
*/
const char * emu68_error_get(emu68_t * const emu68)
{
const char * res = 0;
if (emu68 && emu68->nerr > 0) {
res = emu68->err[--emu68->nerr];
}
return res;
}