utils_random.{c,h}: fix build warning

utils_random.c:53:8: warning: no previous prototype for function 'cdrand_d' [-Wmissing-prototypes]
double cdrand_d() {
       ^
./utils_random.h:32:8: note: this declaration is not a prototype; add 'void' to make it a prototype for a zero-parameter function
double cdrand_d();
       ^
                void
utils_random.c:64:10: warning: no previous prototype for function 'cdrand_u' [-Wmissing-prototypes]
uint32_t cdrand_u() {
         ^
./utils_random.h:40:10: note: this declaration is not a prototype; add 'void' to make it a prototype for a zero-parameter function
uint32_t cdrand_u();
         ^
                  void
2 warnings generated.

diff --git a/src/daemon/utils_random.c b/src/daemon/utils_random.c
index d490986..77b500f 100644 (file)
--- a/src/daemon/utils_random.c
+++ b/src/daemon/utils_random.c
@@ -50,7 +50,7 @@ static void cdrand_seed(void) {
   have_seed = 1;
 }
 
-double cdrand_d() {
+double cdrand_d(void) {
   double r;
 
   pthread_mutex_lock(&lock);
@@ -61,7 +61,7 @@ double cdrand_d() {
   return (r);
 }
 
-uint32_t cdrand_u() {
+uint32_t cdrand_u(void) {
   long r;
 
   pthread_mutex_lock(&lock);

diff --git a/src/daemon/utils_random.h b/src/daemon/utils_random.h
index e25ae9b..75bdc12 100644 (file)
--- a/src/daemon/utils_random.h
+++ b/src/daemon/utils_random.h
@@ -29,7 +29,7 @@
  *
  * This function is thread- and reentrant-safe.
  */
-double cdrand_d();
+double cdrand_d(void);
 
 /**
  * cdrand_u returns a random uint32_t value uniformly distributed in the range
@@ -37,7 +37,7 @@ double cdrand_d();
  *
  * This function is thread- and reentrant-safe.
  */
-uint32_t cdrand_u();
+uint32_t cdrand_u(void);
 
 /**
  * Returns a random long between min and max, inclusively.