ftp.nice.ch/pub/next/unix/developer/slang0.99-34.s.tar.gz#/slang/src/slmemset.c

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/* Copyright (c) 1992, 1995 John E. Davis
 * All rights reserved.
 * 
 * You may distribute under the terms of either the GNU General Public
 * License or the Perl Artistic License.
 */


/* These routines are fast memcpy, memset routines.  When available, I
   use system rouines.  For msdos, I use inline assembly. */

/* The current versions only work in the forward direction only!! */
      
#include "config.h"

#include <stdio.h>


#include "slang.h"
#include "_slang.h"

void SLmemset(char *p, char space, int n)
{
#if defined(msdos) && !defined(__WIN32__) && !defined(__GO32__)
   asm mov al, space
   asm mov dx, di
   asm mov cx, n
   asm les di, p
   asm cld
   asm rep stosb
   asm mov di, dx
#else
   register char *pmax;

   pmax = p + (n - 4);
   n = n % 4;
   while (p <= pmax) 
     {
	*p++ = space; *p++ = space; *p++ = space; *p++= space;
     }
   while (n--) *p++ = space;     
#endif
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.