nulib2/nufxlib-0/MiscStuff.h

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/*
* Copyright (C) 2000 by Andy McFadden, All Rights Reserved.
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU Library General Public License, see the file COPYING.LIB.
*
* Misc stuff (shared between nufxlib and nulib2). This is a collection
* of miscellaneous types and macros that I find generally useful.
*/
#ifndef __MiscStuff__
#define __MiscStuff__
#define VALGRIND /* let's just assume we're using it */
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#include "SysDefs.h"
/*
* Use our versions of functions if they don't exist locally.
*/
#ifndef HAVE_STRERROR
#define strerror Nu_strerror
const char* Nu_strerror(int errnum);
#endif
#ifndef HAVE_MEMMOVE
#define memmove Nu_memmove
void* Nu_memmove(void *dest, const void *src, size_t n);
#endif
#ifndef HAVE_STRTOUL
#define strtoul Nu_strtoul
unsigned long Nu_strtoul(const char *nptr, char **endptr, int base);
#endif
#ifndef HAVE_STRCASECMP
#define strcasecmp Nu_strcasecmp
int Nu_strcasecmp(const char *s1, const char *s2);
#endif
#ifndef HAVE_STRNCASECMP
#define strncasecmp Nu_strncasecmp
int Nu_strncasecmp(const char *s1, const char *s2, size_t n);
#endif
/*
* Misc types.
*/
#include <sys/types.h>
#define nil NULL /* I can't seem to stop typing 'nil' now */
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typedef uchar Boolean;
#define false (0)
#define true (!false)
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/*
* Handy macros.
*/
/* compute #of elements in a static array */
#define NELEM(x) (sizeof(x) / sizeof((x)[0]))
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/* convert single hex digit char to number */
#define HexDigit(x) ( !isxdigit((int)(x)) ? -1 : \
(x) <= '9' ? (x) - '0' : toupper(x) +10 - 'A' )
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/* convert number from 0-15 to hex digit */
#define HexConv(x) ( ((uint)(x)) <= 15 ? \
( (x) <= 9 ? (x) + '0' : (x) -10 + 'A') : -1 )
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/*
* Debug stuff.
*/
/*
* Redefine this if you want assertions to do something other than default.
* Changing the definition of assert is tough, because assert.h redefines
* it every time it's included. On a Solaris 2.7 system I was using, gcc
* pulled assert.h in with some of the system headers, and their definition
* resulted in corrupted core dumps.
*/
#define Assert assert
#if defined(DEBUG_VERBOSE)
/* quick debug printf macro */
#define DBUG(args) printf args
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#else
#define DBUG(args) ((void)0)
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#endif
#if defined(NDEBUG)
#define DebugFill(addr, len) ((void)0)
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#define DebugAbort() ((void)0)
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#else
/* when debugging, fill Malloc blocks with junk, unless we're using Purify */
#if !defined(PURIFY) && !defined(VALGRIND)
#define DebugFill(addr, len) memset(addr, 0xa3, len)
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#else
#define DebugFill(addr, len) ((void)0)
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#endif
#define DebugAbort() abort()
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#endif
#define kInvalidPtr ((void*)0xa3a3a3a3)
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#endif /*__MiscStuff__*/