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Diffstat (limited to 'include/sys/param.h')
-rw-r--r-- | include/sys/param.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/sys/param.h b/include/sys/param.h new file mode 100644 index 000000000..906a0a230 --- /dev/null +++ b/include/sys/param.h @@ -0,0 +1,46 @@ +/* Copyright (C) 1996 Robert de Bath <rdebath@cix.compulink.co.uk> + * This file is part of the Linux-8086 C library and is distributed + * under the GNU Library General Public License. + */ + +#ifndef _PARAM_H +#define _PARAM_H + +#include <features.h> +#include <limits.h> +#include <linux/limits.h> +#include <linux/param.h> + +#include <sys/types.h> + +#define MAXPATHLEN PATH_MAX + +#ifndef NR_OPEN +#define NR_OPEN 32 +#endif +#ifndef NR_FILE +#define NR_FILE 32 +#endif + +/* Bit map related macros. */ +#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) + +/* Macros for counting and rounding. */ +#ifndef howmany +#define howmany(x, y) (((x)+((y)-1))/(y)) +#endif +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) +#define powerof2(x) ((((x)-1)&(x))==0) + +/* Macros for min/max. */ +#define MIN(a,b) (((a)<(b))?(a):(b)) +#define MAX(a,b) (((a)>(b))?(a):(b)) + + +/* Unit of `st_blocks'. */ +#define DEV_BSIZE 512 + +#endif /* _PARAM_H */ |