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/* Copyright (C) 1989, 1992, 1993, 1994, 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: memory_.h,v 1.6 2002/06/16 05:03:12 lpd Exp $ */
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/* Generic substitute for Unix memory.h */
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#ifndef memory__INCLUDED
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# define memory__INCLUDED
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/* We must include std.h before any file that includes sys/types.h. */
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#include "std.h"
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/******
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****** Note: the System V bcmp routine only returns zero or non-zero,
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****** unlike memcmp which returns -1, 0, or 1.
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******/
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#ifdef __TURBOC__
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/* Define inline functions */
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# ifdef __WIN32__
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# define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
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# else
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# define memcmp_inline(b1,b2,len) __memcmp__(b1,b2,len)
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# endif
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# include <mem.h>
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#else
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/* Not Turbo C, no inline functions */
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# define memcmp_inline(b1,b2,len) memcmp(b1,b2,len)
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/*
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* Apparently the newer VMS compilers include prototypes
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* for the mem... routines in <string.h>. Unfortunately,
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* gcc lies on Sun systems: it defines __STDC__ even if
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* the header files in /usr/include are broken.
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* However, Solaris systems, which define __svr4__, do have
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* correct header files.
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*/
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/*
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* The exceptions vastly outnumber the BSD4_2 "rule":
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* these tests should be the other way around....
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*/
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# if defined(VMS) || defined(_POSIX_SOURCE) || (defined(__STDC__) && (!defined(sun) || defined(__svr4__))) || defined(_HPUX_SOURCE) || defined(__WATCOMC__) || defined(THINK_C) || defined(bsdi) || defined(__FreeBSD) || (defined(_MSC_VER) && _MSC_VER >= 1000)
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# include <string.h>
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# else
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# if defined(BSD4_2) || defined(UTEK)
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extern bcopy(), bcmp(), bzero();
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# define memcpy(dest,src,len) bcopy(src,dest,len)
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# define memcmp(b1,b2,len) bcmp(b1,b2,len)
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/* Define our own versions of missing routines (in gsmisc.c). */
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# define MEMORY__NEED_MEMMOVE
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# include <sys/types.h> /* for size_t */
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# define MEMORY__NEED_MEMSET
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# if defined(UTEK)
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# define MEMORY__NEED_MEMCHR
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# endif /* UTEK */
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# else
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# include <memory.h>
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# if defined(__SVR3) || defined(sun) /* Not sure this is right.... */
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# define MEMORY__NEED_MEMMOVE
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# include <sys/types.h> /* for size_t */
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# endif /* __SVR3 or sun */
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# endif /* BSD4_2 or UTEK */
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# endif /* VMS, POSIX, ... */
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#endif /* !__TURBOC__ */
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/*
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* If we are profiling, substitute our own versions of memset, memcpy,
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* and memmove, in case profiling libraries aren't available.
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*/
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#ifdef PROFILE
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# define MEMORY__NEED_MEMCPY
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# define MEMORY__NEED_MEMMOVE
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# define MEMORY__NEED_MEMSET
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#endif
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/*
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* Declare substitutes for library procedures we supply. We undef them
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* first, just in case we are substituting for an existing library facility
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* that happens to be implemented as a macro.
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*/
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#ifdef MEMORY__NEED_MEMMOVE
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# undef memmove
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# define memmove(dest,src,len) gs_memmove(dest,src,len)
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void *gs_memmove(void *, const void *, size_t);
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#endif
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#ifdef MEMORY__NEED_MEMCPY
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# undef memcpy
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# define memcpy(dest,src,len) gs_memcpy(dest,src,len)
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void *gs_memcpy(void *, const void *, size_t);
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#endif
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#ifdef MEMORY__NEED_MEMSET
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# undef memset
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# define memset(dest,ch,len) gs_memset(dest,ch,len)
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void *gs_memset(void *, int, size_t);
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#endif
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#ifdef MEMORY__NEED_MEMCHR
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# undef memchr
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# define memchr(ptr,ch,len) gs_memchr(ptr,ch,len)
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void *gs_memchr(const void *, int, size_t);
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#endif
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#endif /* memory__INCLUDED */
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