nulib2/nufxlib/MiscStuff.h
Andy McFadden 524e0926e7 Fix include guards
Symbols starting with "__" are reserved for use by the compiler.
2014-12-22 16:06:55 -08:00

106 lines
2.6 KiB
C

/*
* Copyright (C) 2000-2007 by Andy McFadden, All Rights Reserved.
* This is free software; you can redistribute it and/or modify it under the
* terms of the BSD 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 NUFXLIB_MISCSTUFF_H
#define NUFXLIB_MISCSTUFF_H
#define VALGRIND /* assume we're using it */
#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.
*/
typedef unsigned char Boolean;
#define false (0)
#define true (!false)
/*
* Handy macros.
*/
/* compute #of elements in a static array */
#define NELEM(x) (sizeof(x) / sizeof((x)[0]))
/* convert single hex digit char to number */
#define HexDigit(x) ( !isxdigit((int)(x)) ? -1 : \
(x) <= '9' ? (x) - '0' : toupper(x) +10 - 'A' )
/* convert number from 0-15 to hex digit */
#define HexConv(x) ( ((unsigned int)(x)) <= 15 ? \
( (x) <= 9 ? (x) + '0' : (x) -10 + 'A') : -1 )
/*
* 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
#else
#define DBUG(args) ((void)0)
#endif
#if defined(NDEBUG)
#define DebugFill(addr, len) ((void)0)
#define DebugAbort() ((void)0)
#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)
#else
#define DebugFill(addr, len) ((void)0)
#endif
#define DebugAbort() abort()
#endif
#define kInvalidPtr ((void*)0xa3a3a3a3)
#endif /*NUFXLIB_MISCSTUFF_H*/