pgpztailor.h

著名的加密软件的应用于电子邮件中

/* pgpZTailor.h -- Not copyrighted 1991 Mark Adler */
/*
* This is a PRIVATE header file, for use only within the PGP Library.
* You should not be using these functions in an application.
*
* $Id: pgpZTailor.h,v 1.1.2.1 1997/06/07 09:51:11 mhw Exp $
*/

#ifndef MSDOS
# ifdef __MSDOS__
# define MSDOS 1
# endif
#endif

/* A couple of other compilers also behave like Turbo C */
	#ifndef __TURBOC__
	# ifdef __POWERC	/* For Power C too */
	# define __TURBOC__
	# endif
	# ifdef __BORLANDC__
	# define __TURBOC__
	# endif
	#endif

/*
* We use MSDOS to signal a need for 16-bit kludges and all the near/far crap,
* so DJGPP basically isn't MSDOS.
*/
#ifdef __GNUC__
# undef MSDOS
#endif

/*
* Allow far and huge allocation for small model (Microsoft C or Turbo C)
* unless NOFAR defined (needed for ANSI mode compilations)
* But if we're using DJGPP, and want to use the optimized 386 assembler
* zmatch routines, we can't use DYN_ALLOC. But gcc has virtual memory...
*/
#ifdef MSDOS

# ifndef DYN_ALLOC
# define DYN_ALLOC 1
# endif
# ifdef __TURBOC__
# include <alloc.h>
# ifdef __STDC__
	/* Damn Borland C won't declare these ifdef __STDC__. */
void __far * _Cdecl farcalloc(unsigned long __nunits, unsigned long __unitsz);
void _Cdecl farfree(void __far *__block);
# endif
# define fcalloc farcalloc /* Assumes that all arrays are < 64K for MSDOS*/
# define fcfree farfree
# else /* !__TURBOC__ */
# include <malloc.h>
# define fcalloc(nitems,itemsize) halloc((long)(nitems),(itemsize))
# define fcfree hfree
# endif /* ?__TURBOC__ */
# define far __far
	# define near __near

	#else /* !MSDOS */

	# ifndef DYN_ALLOC
	# define DYN_ALLOC 0
	# endif
	# define far
	# define near
	# define fcalloc(nitems,itemsize)		pgpMemAlloc((long)(nitems)*(itemsize))
	# define fcfree    		   	  		 pgpMemFree

#endif /* !MSDOS */

#include <stdlib.h>

/* Define this symbol if your target allows access to unaligned data.
* This is not mandatory, just a speed optimization. The compressed
* output is strictly identical.
*/
#ifndef UNALIGNED_OK
#if defined(MSDOS) || defined(M_XENIX) || defined(i386) || defined(__i386__)
# define UNALIGNED_OK 1
#elif defined(mc68020) || defined(__mc68020__)
# define UNALIGNED_OK 1
#elif defined(vax) || defined(__vax__)
# define UNALIGNED_OK 1
#else
# define UNALIGNED_OK 0
#endif
#endif

/* end of tailor.h */