err.h

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/*
 
  Copyright (C) 2010 Alex Andreotti <alex.andreotti@gmail.com>
 
  This file is part of chmc.
 
  chmc 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.
 
  chmc 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 chmc.  If not, see <http://www.gnu.org/licenses/>.
 
*/
#ifndef CHMC_ERR_H
#define CHMC_ERR_H
 
#include <stdio.h>
#define chmcerr_printf(fmt, ...) fprintf (stderr, fmt , ## __VA_ARGS__)
 
#include <stdlib.h>
#define BUG_ON(fmt, ...)      \
    do { \
        fprintf (stderr, "%s:%d: ", __FILE__, __LINE__); \
        fprintf (stderr, fmt , ## __VA_ARGS__); \
        abort (); \
    } while (0)
 
#define CHMC_ERRMAXLEN (1023)
 
#include <errno.h>
 
#define CHMC_NOERR (0)
#define CHMC_ENOMEM (ENOMEM)
#define CHMC_EINVAL (EINVAL)
 
void chmcerr_set(int code, const char *fmt, ...);
void chmcerr_clean(void);
int chmcerr_code(void);
const char *chmcerr_message(void);
 
#define chmc_error(fmt, ...) fprintf (stdout, fmt , ## __VA_ARGS__)
 
#define chmcerr_return_msg(fmt,...)   \
    do { \
        chmcerr_printf ( "%s: %d: ", __FILE__, __LINE__ ); \
        chmcerr_printf ( "error %d: ", chmcerr_code () ); \
        chmcerr_printf ( fmt , ## __VA_ARGS__ ); \
        chmcerr_printf ( ": %s\n", chmcerr_message () ); \
        return chmcerr_code (); \
    } while (0)
 
#define chmcerr_msg(fmt,...)      \
    do { \
        chmcerr_printf ("%s: %d: ", __FILE__, __LINE__); \
        chmcerr_printf ("error %d: ", chmcerr_code ()); \
        chmcerr_printf (fmt , ## __VA_ARGS__ ); \
        chmcerr_printf (": %s\n", chmcerr_message ()); \
    } while (0)
 
#define chmcerr_set_return(code,fmt,...)      \
    do { \
        chmcerr_set ( (code), (fmt), ## __VA_ARGS__ ); \
        return (code); \
    } while (0)
 
#endif /* CHMC_ERR_H */