X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_random.h;h=ff0022ebccb26dfecd796b29e40c14896ce34d1f;hb=a811574a6acbf87f23948411876a231fecaeb491;hp=b05f4c86a3798d0a09e91b17483e1b55cd01d1ea;hpb=aedf67e69cbe93a6925fd1004a7c8b990aed4b0a;p=collectd.git diff --git a/src/daemon/utils_random.h b/src/daemon/utils_random.h index b05f4c86..ff0022eb 100644 --- a/src/daemon/utils_random.h +++ b/src/daemon/utils_random.h @@ -24,12 +24,23 @@ * Florian Forster **/ +#ifndef UTILS_RANDOM_H +#define UTILS_RANDOM_H 1 + /** * Returns a random double value in the range [0..1), i.e. excluding 1. * * This function is thread- and reentrant-safe. */ -double cdrand_d (void); +double cdrand_d(void); + +/** + * cdrand_u returns a random uint32_t value uniformly distributed in the range + * [0-2^32). + * + * This function is thread- and reentrant-safe. + */ +uint32_t cdrand_u(void); /** * Returns a random long between min and max, inclusively. @@ -37,4 +48,6 @@ double cdrand_d (void); * If min is larger than max, the result may be rounded incorrectly and may be * outside the intended range. This function is thread- and reentrant-safe. */ -long cdrand_range (long min, long max); +long cdrand_range(long min, long max); + +#endif /* !UTILS_RANDOM_H */