MultiSource/Benchmarks/MallocBench/gs/memory_.h

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

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

#ifdef __MSDOS__
/* 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>
#  define memset(dest,chr,cnt) setmem(dest,cnt,chr)
#else
#  ifdef VMS
	extern char *memcpy(), *memset();
	extern int memcmp();
#  else
#    ifdef BSD4_2
	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 version of memset */
#	ifdef __STDC__
	static void memset(void *dest, register char ch, unsigned len)
#	else
	static void memset(dest, ch, len)
	  void *dest; register char ch; unsigned len;
#	endif				/* (!)__STDC__ */
	   {	if ( ch == 0 )
			bzero(dest, len);
		else if ( len > 0 )
		   {	register char *p = (char *)dest;
			register unsigned count = len;
			do { *p++ = ch; } while ( --count );
		   }
	   }
#    else				/* !BSD4_2 */
#      ifdef _POSIX_SOURCE
#        include <string.h>
#      else
#        include <memory.h>
#      endif				/* !_POSIX_SOURCE */
#    endif				/* !BSD4_2 */
#  endif				/* !VMS */
#endif					/* !__MSDOS__ */