home *** CD-ROM | disk | FTP | other *** search
- /*-
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)general.h 4.2 (Berkeley) 4/26/91
- */
-
- /*
- * Some general definitions.
- */
-
- #define numberof(x) (sizeof x/sizeof x[0])
- #define highestof(x) (numberof(x)-1)
-
- #if defined(unix)
- #define ClearElement(x) bzero((char *)&x, sizeof x)
- #define ClearArray(x) bzero((char *)x, sizeof x)
- #else /* defined(unix) */
- #define ClearElement(x) memset((char *)&x, 0, sizeof x)
- #define ClearArray(x) memset((char *)x, 0, sizeof x)
- #endif /* defined(unix) */
-
- #if defined(unix) /* Define BSD equivalent mem* functions */
- #define memcpy(dest,src,n) bcopy(src,dest,n)
- #define memmove(dest,src,n) bcopy(src,dest,n)
- #define memset(s,c,n) if (c == 0) { \
- bzero(s,n); \
- } else { \
- register char *src = s; \
- register int count = n; \
- \
- while (count--) { \
- *src++ = c; \
- } \
- }
- #define memcmp(s1,s2,n) bcmp(s1,s2,n)
- #endif /* defined(unix) */
-