/* Copyright (C) 1989, 1992, 1993, 1994 Aladdin Enterprises.  All rights reserved.
  
  This file is part of Aladdin Ghostscript.
  
  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
  or distributor accepts any responsibility for the consequences of using it,
  or for whether it serves any particular purpose or works at all, unless he
  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
  License (the "License") for full details.
  
  Every copy of Aladdin Ghostscript must include a copy of the License,
  normally in a plain ASCII text file named PUBLIC.  The License grants you
  the right to copy, modify and redistribute Aladdin Ghostscript, but only
  under certain conditions described in the License.  Among other things, the
  License requires that the copyright notice and this notice be preserved on
  all copies.
*/

/* memory_.h */
/* Generic substitute for Unix memory.h */

/* We must include std.h before any file that includes sys/types.h. */
#include "std.h"

/****** Note: the System V bcmp routine only returns zero or non-zero, ******/
/****** unlike memcmp which returns -1, 0, or 1. ******/

#ifdef __TURBOC__
/* Define inline functions */
#  ifdef __WIN32__
#    define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
#  else
#    define memcmp_inline(b1,b2,len) __memcmp__(b1,b2,len)
#  endif
/* The Turbo C implementation of memset swaps the arguments and calls */
/* the non-standard routine setmem.  We may as well do it in advance. */
#  undef memset			/* just in case */
#  include <mem.h>
#  ifndef memset		/* Borland C++ can inline this */
#    define memset(dest,chr,cnt) setmem(dest,cnt,chr)
#  endif
#else
	/* Not Turbo C, no inline functions */
#  define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
	/* Apparently the newer VMS compilers include prototypes */
	/* for the mem... routines in <string.h>.  Unfortunately, */
	/* gcc lies on Sun systems: it defines __STDC__ even if */
	/* the header files in /usr/include are broken. */
	/* However, Solaris systems, which define __svr4__, do have */
	/* correct header files. */
#  if defined(VMS) || defined(_POSIX_SOURCE) || (defined(__STDC__) && (!defined(sun) || defined(__svr4__))) || defined(_HPUX_SOURCE) || defined(__WATCOMC__) || defined(THINK_C) || defined(bsdi)
#    include <string.h>
#  else
#    if defined(BSD4_2) || defined(UTEK)
	 extern bcopy(), bcmp(), bzero();
#	 define memcpy(dest,src,len) bcopy(src,dest,len)
#	 define memcmp(b1,b2,len) bcmp(b1,b2,len)
	 /* Define our own versions of missing routines (in gsmisc.c). */
#	 define memory__need_memmove
#        define memmove(dest,src,len) gs_memmove(dest,src,len)
#        include <sys/types.h>   /* for size_t */
	 void *gs_memmove(P3(void *, const void *, size_t));
#	 define memory__need_memset
#        define memset(dest,ch,len) gs_memset(dest,ch,len)
	 void *gs_memset(P3(void *, int, size_t));
#	 if defined(UTEK)
#          define memory__need_memchr
#          define memchr(ptr,ch,len) gs_memchr(ptr,ch,len)
	   const char *gs_memchr(P3(const void *, int, size_t));
#        endif				/* UTEK */
#    else
#      include <memory.h>
#      if defined(__SVR3) || defined(sun)	/* Not sure this is right.... */
#	 define memory__need_memmove
#        define memmove(dest,src,len) gs_memmove(dest,src,len)
#        include <sys/types.h>   /* for size_t */
	 void *gs_memmove(P3(void *, const void *, size_t));
#      endif				/* __SVR3 or sun */
#    endif				/* BSD4_2 or UTEK */
#  endif				/* VMS, POSIX, ... */
#endif					/* !__TURBOC__ */
