X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_random.h;h=ff0022ebccb26dfecd796b29e40c14896ce34d1f;hb=48efd3deb4c9139fd060ff3d289896e9031bcc7c;hp=75bdc12e127f6210eae5de1c0f71b95157c61955;hpb=9655d4a6d9fa2c4f02032759b831e93933d68bd9;p=collectd.git

diff --git a/src/daemon/utils_random.h b/src/daemon/utils_random.h
index 75bdc12e..ff0022eb 100644
--- a/src/daemon/utils_random.h
+++ b/src/daemon/utils_random.h
@@ -24,6 +24,9 @@
  *   Florian Forster <octo at collectd.org>
  **/
 
+#ifndef UTILS_RANDOM_H
+#define UTILS_RANDOM_H 1
+
 /**
  * Returns a random double value in the range [0..1), i.e. excluding 1.
  *
@@ -46,3 +49,5 @@ uint32_t cdrand_u(void);
  * outside the intended range. This function is thread- and reentrant-safe.
  */
 long cdrand_range(long min, long max);
+
+#endif /* !UTILS_RANDOM_H */