X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_random.h;fp=src%2Fdaemon%2Futils_random.h;h=b05f4c86a3798d0a09e91b17483e1b55cd01d1ea;hb=216c6246b73645ac093de15b87aedc9abc6ebc80;hp=0000000000000000000000000000000000000000;hpb=2578c91335381de7cf1da589f8993e775483319e;p=collectd.git

diff --git a/src/daemon/utils_random.h b/src/daemon/utils_random.h
new file mode 100644
index 00000000..b05f4c86
--- /dev/null
+++ b/src/daemon/utils_random.h
@@ -0,0 +1,40 @@
+/**
+ * collectd - src/utils_random.h
+ * Copyright (C) 2013       Florian Forster
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *   Florian Forster <octo at collectd.org>
+ **/
+
+/**
+ * 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);
+
+/**
+ * Returns a random long between min and max, inclusively.
+ *
+ * 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);