Author: marius Date: Sat Jun 2 19:30:49 2012 New Revision: 236486 URL: http://svn.freebsd.org/changeset/base/236486
Log: Add nitems(), a macro for determining the number of elements in a statically-allocated array. Obtained from: OpenBSD (in principle) MFC after: 3 days Modified: head/sys/sys/param.h Modified: head/sys/sys/param.h ============================================================================== --- head/sys/sys/param.h Sat Jun 2 19:21:34 2012 (r236485) +++ head/sys/sys/param.h Sat Jun 2 19:30:49 2012 (r236486) @@ -273,6 +273,7 @@ #ifndef howmany #define howmany(x, y) (((x)+((y)-1))/(y)) #endif +#define nitems(x) (sizeof((x)) / sizeof((x)[0])) #define rounddown(x, y) (((x)/(y))*(y)) #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ #define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */ _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
