ndie.c

/* 
   TRURLib
   Copyright (C) 1999 Pawel A. Gajda (mis@k2.net.pl)

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "ndie.h"
#include "n_snprintf.h"

static t_fn_die_hook die_hook;

t_fn_die_hook n_die_set_hook(t_fn_die_hook hook)
{
    t_fn_die_hook tmp = die_hook;
    die_hook = hook;
    return tmp;
}

t_fn_die_hook set_trurl_err_hook(t_fn_die_hook hook)
{
    return n_die_set_hook(hook);
}


static void trurl_vdie(const char *fmt, va_list ap)
{
    fflush(NULL);

    if (die_hook != NULL) {
        char msg[1024];
        n_vsnprintf(msg, sizeof(msg), fmt, ap);
        die_hook(msg);

    } else {
        int len;
        fprintf(stderr, "n_die: ");
        vfprintf(stderr, fmt, ap);
        len = strlen(fmt);

        if (len && fmt[len - 1] != '\n')
            fprintf(stderr, "\n");

        abort();
    }
}


void trurl_die(const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    trurl_vdie(fmt, ap);
    va_end(ap);
}

void n_die(const char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    trurl_vdie(fmt, ap);
    va_end(ap);
}