X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_random.c;h=5500aaa028113c62167fbf6434ceee21f23a05e4;hb=711f5b6c86f51061c21bedcaa46214a01de0125c;hp=34cf5b80669b861281b654d9901695da4fcebc58;hpb=2079ee1517e34de372f58e7e2267ad5c71a8a41f;p=collectd.git

diff --git a/src/daemon/utils_random.c b/src/daemon/utils_random.c
index 34cf5b80..5500aaa0 100644
--- a/src/daemon/utils_random.c
+++ b/src/daemon/utils_random.c
@@ -31,8 +31,16 @@
 
 #include <pthread.h>
 
+#ifdef WIN32
+double erand48(unsigned short unused[3]) {
+  return (double)rand() / (double)RAND_MAX;
+}
+
+long int jrand48(unsigned short unused[3]) { return rand(); }
+#endif
+
 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-static _Bool have_seed = 0;
+static bool have_seed;
 static unsigned short seed[3];
 
 static void cdrand_seed(void) {
@@ -47,7 +55,11 @@ static void cdrand_seed(void) {
   seed[1] = (unsigned short)(t >> 16);
   seed[2] = (unsigned short)(t >> 32);
 
-  have_seed = 1;
+#ifdef WIN32
+  srand((unsigned)t);
+#endif
+
+  have_seed = true;
 }
 
 double cdrand_d(void) {
@@ -58,7 +70,18 @@ double cdrand_d(void) {
   r = erand48(seed);
   pthread_mutex_unlock(&lock);
 
-  return (r);
+  return r;
+}
+
+uint32_t cdrand_u(void) {
+  long r;
+
+  pthread_mutex_lock(&lock);
+  cdrand_seed();
+  r = jrand48(seed);
+  pthread_mutex_unlock(&lock);
+
+  return (uint32_t)r;
 }
 
 long cdrand_range(long min, long max) {
@@ -70,5 +93,5 @@ long cdrand_range(long min, long max) {
   r = (long)(0.5 + (cdrand_d() * range));
   r += min;
 
-  return (r);
+  return r;
 }