Commit | Line | Data |
---|---|---|
e01f9566 GM |
1 | /* |
2 | * Some general definitions. | |
992de934 GM |
3 | * |
4 | * @(#)general.h 1.9 (Berkeley) %G% | |
e01f9566 GM |
5 | */ |
6 | ||
7 | ||
8 | #define numberof(x) (sizeof x/sizeof x[0]) | |
9 | #define highestof(x) (numberof(x)-1) | |
04b5f59e | 10 | |
d217437f GM |
11 | #if defined(unix) |
12 | #define ClearElement(x) bzero((char *)&x, sizeof x) | |
04b5f59e | 13 | #define ClearArray(x) bzero((char *)x, sizeof x) |
d217437f | 14 | #else /* defined(unix) */ |
262260c8 | 15 | #define ClearElement(x) memset((char *)&x, 0, sizeof x) |
d217437f GM |
16 | #define ClearArray(x) memset((char *)x, 0, sizeof x) |
17 | #endif /* defined(unix) */ | |
18 | ||
19 | #if defined(unix) /* Define BSD equivalent mem* functions */ | |
20 | #define memcpy(dest,src,n) bcopy(src,dest,n) | |
21 | #define memmove(dest,src,n) bcopy(src,dest,n) | |
22 | #define memset(s,c,n) if (c == 0) { \ | |
23 | bzero(s,n); \ | |
24 | } else { \ | |
cf9ca8ba GM |
25 | register char *src = s; \ |
26 | register int count = n; \ | |
27 | \ | |
28 | while (count--) { \ | |
29 | *src++ = c; \ | |
30 | } \ | |
d217437f | 31 | } |
80725441 | 32 | #define memcmp(s1,s2,n) bcmp(s1,s2,n) |
d217437f | 33 | #endif /* defined(unix) */ |