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106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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* Copyright (C) 2000-2007 by Andy McFadden, All Rights Reserved.
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* This is free software; you can redistribute it and/or modify it under the
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* terms of the BSD License, see the file COPYING-LIB.
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*
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* Misc stuff (shared between nufxlib and nulib2). This is a collection
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* of miscellaneous types and macros that I find generally useful.
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*/
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#ifndef NUFXLIB_MISCSTUFF_H
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#define NUFXLIB_MISCSTUFF_H
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#define VALGRIND /* assume we're using it */
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#include "SysDefs.h"
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/*
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* Use our versions of functions if they don't exist locally.
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*/
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#ifndef HAVE_STRERROR
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#define strerror Nu_strerror
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const char* Nu_strerror(int errnum);
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#endif
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#ifndef HAVE_MEMMOVE
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#define memmove Nu_memmove
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void* Nu_memmove(void *dest, const void *src, size_t n);
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#endif
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#ifndef HAVE_STRTOUL
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#define strtoul Nu_strtoul
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unsigned long Nu_strtoul(const char *nptr, char **endptr, int base);
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#endif
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#ifndef HAVE_STRCASECMP
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#define strcasecmp Nu_strcasecmp
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int Nu_strcasecmp(const char *s1, const char *s2);
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#endif
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#ifndef HAVE_STRNCASECMP
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#define strncasecmp Nu_strncasecmp
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int Nu_strncasecmp(const char *s1, const char *s2, size_t n);
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#endif
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/*
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* Misc types.
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*/
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typedef unsigned char Boolean;
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#define false (0)
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#define true (!false)
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/*
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* Handy macros.
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*/
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/* compute #of elements in a static array */
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#define NELEM(x) (sizeof(x) / sizeof((x)[0]))
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/* convert single hex digit char to number */
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#define HexDigit(x) ( !isxdigit((int)(x)) ? -1 : \
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(x) <= '9' ? (x) - '0' : toupper(x) +10 - 'A' )
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/* convert number from 0-15 to hex digit */
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#define HexConv(x) ( ((unsigned int)(x)) <= 15 ? \
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( (x) <= 9 ? (x) + '0' : (x) -10 + 'A') : -1 )
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/*
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* Debug stuff.
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*/
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/*
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* Redefine this if you want assertions to do something other than default.
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* Changing the definition of assert is tough, because assert.h redefines
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* it every time it's included. On a Solaris 2.7 system I was using, gcc
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* pulled assert.h in with some of the system headers, and their definition
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* resulted in corrupted core dumps.
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*/
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#define Assert assert
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#if defined(DEBUG_VERBOSE)
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/* quick debug printf macro */
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#define DBUG(args) printf args
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#else
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#define DBUG(args) ((void)0)
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#endif
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#if defined(NDEBUG)
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#define DebugFill(addr, len) ((void)0)
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#define DebugAbort() ((void)0)
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#else
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/* when debugging, fill Malloc blocks with junk, unless we're using Purify */
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#if !defined(PURIFY) && !defined(VALGRIND)
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#define DebugFill(addr, len) memset(addr, 0xa3, len)
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#else
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#define DebugFill(addr, len) ((void)0)
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#endif
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#define DebugAbort() abort()
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#endif
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#define kInvalidPtr ((void*)0xa3a3a3a3)
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#endif /*NUFXLIB_MISCSTUFF_H*/
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