148760Sbostic /*- 2*62364Sbostic * Copyright (c) 1988, 1993 3*62364Sbostic * The Regents of the University of California. All rights reserved. 431893Sminshall * 548760Sbostic * %sccs.include.redist.c% 633815Sbostic * 7*62364Sbostic * @(#)general.h 8.1 (Berkeley) 06/06/93 830674Sminshall */ 930674Sminshall 1033815Sbostic /* 1133815Sbostic * Some general definitions. 1233815Sbostic */ 1330674Sminshall 1430674Sminshall #define numberof(x) (sizeof x/sizeof x[0]) 1530674Sminshall #define highestof(x) (numberof(x)-1) 1630723Sminshall 1731092Sminshall #if defined(unix) 1831092Sminshall #define ClearElement(x) bzero((char *)&x, sizeof x) 1930723Sminshall #define ClearArray(x) bzero((char *)x, sizeof x) 2031092Sminshall #else /* defined(unix) */ 2131157Sminshall #define ClearElement(x) memset((char *)&x, 0, sizeof x) 2231092Sminshall #define ClearArray(x) memset((char *)x, 0, sizeof x) 2331092Sminshall #endif /* defined(unix) */ 2431092Sminshall 2531092Sminshall #if defined(unix) /* Define BSD equivalent mem* functions */ 2631092Sminshall #define memcpy(dest,src,n) bcopy(src,dest,n) 2731092Sminshall #define memmove(dest,src,n) bcopy(src,dest,n) 2831092Sminshall #define memset(s,c,n) if (c == 0) { \ 2931092Sminshall bzero(s,n); \ 3031092Sminshall } else { \ 3131174Sminshall register char *src = s; \ 3231174Sminshall register int count = n; \ 3331174Sminshall \ 3431174Sminshall while (count--) { \ 3531174Sminshall *src++ = c; \ 3631174Sminshall } \ 3731092Sminshall } 3831248Sminshall #define memcmp(s1,s2,n) bcmp(s1,s2,n) 3931092Sminshall #endif /* defined(unix) */ 40