Improve error message for fallback RNG failure

marti4d · marti4d · commit 23f62619324a · 2022-05-16T13:49:12.000-04:00
diff --git a/std/src/sys/windows/rand.rs b/std/src/sys/windows/rand.rs
@@ -83,5 +83,5 @@ fn fallback_rng() -> Result<(u64, u64), io::Error> {
 /// We can't use RtlGenRandom with UWP, so there is no fallback
 #[cfg(target_vendor = "uwp")]
 fn fallback_rng() -> Result<(u64, u64), io::Error> {
-    Err(io::const_io_error!(io::ErrorKind::Unsupported, "unsupported on UWP"))
+    Err(io::const_io_error!(io::ErrorKind::Unsupported, "RtlGenRandom() not supported on UWP"))
 }

Original file line number	Diff line number	Diff line change
`@@ -83,5 +83,5 @@ fn fallback_rng() -> Result<(u64, u64), io::Error> {`
`83`	`83`	`/// We can't use RtlGenRandom with UWP, so there is no fallback`
`84`	`84`	`#[cfg(target_vendor = "uwp")]`
`85`	`85`	`fn fallback_rng() -> Result<(u64, u64), io::Error> {`
`86`		`- Err(io::const_io_error!(io::ErrorKind::Unsupported, "unsupported on UWP"))`
	`86`	`+ Err(io::const_io_error!(io::ErrorKind::Unsupported, "RtlGenRandom() not supported on UWP"))`
`87`	`87`	`}`