/*
 * Generic utility-functions, macros and defaults
 * Programmed and designed by Matti 'ccr' Hamalainen
 * (C) Copyright 2002-2009 Tecnic Software productions (TNSP)
 *
 * Please read file 'COPYING' for information on license and distribution.
 */
#ifndef _TH_UTIL_H
#define _TH_UTIL_H

#ifdef __cplusplus
extern "C" {
#endif

#include "th_types.h"
#include <stdarg.h>
#include <stdlib.h>
#ifndef HAVE_NO_ASSERT
#include <assert.h>
#endif

#ifdef HAVE_STRING_H
#include <string.h>
#define HAVE_MEMSET 1
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif

#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif


#ifdef TH_NO_DEFAULTS
#define TH_PROG_AUTHOR      NULL
#define TH_PROG_LICENSE     NULL
#else
#define TH_PROG_AUTHOR      "By Matti 'ccr' Hämäläinen (C) Copyright 2009 TNSP"
#define TH_PROG_LICENSE     "This software is licensed under GNU GPL version 2"
#endif


/* Replacement for assert() */
#ifdef HAVE_NO_ASSERT
#  ifdef NDEBUG
#    define assert(NEXPR) /* stub */
#  else
#    define assert(NEXPR) do { if (!(NEXPR)) { fprintf(stderr, "[%s:%d] assert(" # NEXPR ") failed!\n", __FILE__, __LINE__); abort(); } } while (0)
#  endif
#endif

/* Global variables
 */
extern  int    th_verbosityLevel;
extern  char *th_prog_name,
        *th_prog_fullname,
        *th_prog_version,
        *th_prog_author,
        *th_prog_license;

/* Functions
 */
void    th_init(char *progName, char *progFullName, char *progVersion,
        char *progAuthor, char *progLicense);
void    THERR(const char *, ...);
void    THMSG(int, const char *, ...);
void    THPRINT(int, const char *, ...);

void    THERR_V(const char *, va_list);
void    THMSG_V(int, const char *, va_list);
void    THPRINT_V(int, const char *, va_list);

void    *th_malloc(size_t);
void    *th_calloc(size_t, size_t);
void    *th_realloc(void *, size_t);
void    th_free(void *);

#ifdef HAVE_MEMSET
#define th_memset memset
#else
void    *th_memset(void *, int, size_t);
#endif

#ifdef __cplusplus
}
#endif
#endif /* _TH_UTIL_H */