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LibJS: Use rand() for Math.random() on other systems

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I bet we could be smarter here and use arc4random() on systems where
it is present. I'm not sure how to detect it though.
This commit is contained in:
Andreas Kling 2020-03-23 13:14:04 +01:00
parent 290ea11739
commit 538537dfd0
1 changed files with 5 additions and 1 deletions
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6
Libraries/LibJS/Runtime/MathObject.cpp
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@ -24,8 +24,8 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include <AK/Function.h>
#include <AK/FlyString.h> #include <AK/FlyString.h>
#include <AK/Function.h>
#include <LibJS/Runtime/MathObject.h> #include <LibJS/Runtime/MathObject.h>
namespace JS { namespace JS {
@ -33,7 +33,11 @@ namespace JS {
MathObject::MathObject() MathObject::MathObject()
{ {
put_native_function("random", [](Object*, const Vector<Value>&) { put_native_function("random", [](Object*, const Vector<Value>&) {
#ifdef __serenity__
double r = (double)arc4random() / (double)UINT32_MAX; double r = (double)arc4random() / (double)UINT32_MAX;
#else
double r = (double)rand() / (double)RAND_MAX;
#endif
return Value(r); return Value(r);
}); });
} }