os/os2: wasi target support

2 files changed, 14 insertions, 0 deletions

diff --git a/core/crypto/rand_generic.odin b/core/crypto/rand_generic.odin
index ef578f5c0..8266f8ffc 100644
--- a/core/crypto/rand_generic.odin
+++ b/core/crypto/rand_generic.odin
@@ -5,6 +5,7 @@
 #+build !netbsd
 #+build !darwin
 #+build !js
+#+build !wasi
 package crypto
 
 HAS_RAND_BYTES :: false
diff --git a/core/crypto/rand_wasi.odin b/core/crypto/rand_wasi.odin
new file mode 100644
index 000000000..9653fb985
--- /dev/null
+++ b/core/crypto/rand_wasi.odin
@@ -0,0 +1,13 @@
+package crypto
+
+import "core:fmt"
+import "core:sys/wasm/wasi"
+
+HAS_RAND_BYTES :: true
+
+@(private)
+_rand_bytes :: proc(dst: []byte) {
+	if err := wasi.random_get(dst); err != nil {
+		fmt.panicf("crypto: wasi.random_get failed: %v", err)
+	}
+}