diff options
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/internal.h b/internal.h index 697ce4778..4a132abf1 100644 --- a/internal.h +++ b/internal.h @@ -297,4 +297,13 @@ int nfsmount(const char *spec, const char *node, unsigned long *flags, #endif +#ifndef setbit +/* Bit map related macros -- libc5 doens't provide these... sigh. */ +#define NBBY CHAR_BIT +#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) +#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) +#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) +#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) +#endif + #endif /* _BB_INTERNAL_H_ */ |