| /* This file should contain various parameter macros appropriate for the |
| machine and operating system. There is no standard set of macros; this |
| file is just for compatibility with programs written for Unix that |
| expect it to define things. On Unix systems that do not have their own |
| sysdep version of this file, it is generated at build time by examining |
| the installed headers on the system. */ |
| |
| #include <limits.h> |
| |
| /* ROS note: similar to other sysdeps params.h, we pull what we need. */ |
| |
| #define NBBY CHAR_BIT |
| |
| /* These seem like the linux defaults */ |
| #ifndef NGROUPS |
| # define NGROUPS NGROUPS_MAX |
| #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) |
| |
| #define MAXSYMLINKS 1 |
| #define MAXPATHLEN 256 |
| |
| /* Macros for min/max. */ |
| #define MIN(a,b) (((a)<(b))?(a):(b)) |
| #define MAX(a,b) (((a)>(b))?(a):(b)) |
