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Merge "Make <sys/param.h> more glibc-like."

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Elliott Hughes 2013-12-12 23:38:25 +00:00 committed by Gerrit Code Review
commit 8623bf7b4d
1 changed files with 13 additions and 2 deletions
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15
libc/include/sys/param.h
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@ -40,8 +40,19 @@
#define ALIGNBYTES 3
#endif
#define ALIGN(p) (((unsigned long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
#ifndef ALIGN
#define ALIGN(p) (((uintptr_t)(p) + ALIGNBYTES) &~ ALIGNBYTES)
#endif
#define powerof2(x) ((((x)-1)&(x))==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))
#endif /* _SYS_PARAM_H_ */