util.h File Reference

#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>

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Data Structures
struct	ratelimit_state_t
	Control structure used for rate limiting. More...

Macros
#define	containerof(ptr, type, member)   ((type *) (((char *) ptr) - offsetof(type, member)))
#define	lengthof(x)   ((sizeof(x) / sizeof(*(x))))
#define	verify(x)   assert(x)
#define	RATELIMIT_TO(n, window, fn)
	Ratelimit a single expression. More...
#define	RATELIMIT(fn)   RATELIMIT_TO(3, 10, fn)
	Ratelimit a single expression using default ratelimiter values. More...

Functions
int32_t	cyclecmp32 (uint32_t a, uint32_t b)
	Compares values that may be subject to overflow. More...
bool	ratelimit_check (ratelimit_state_t *rs, uint32_t n, uint32_t window)
	Check that the rate limiter has not triggered. More...
void	rf_internal_out_of_memory (void)
void *	xmalloc (size_t sz)