From c731f01067b8f5004e5953172c0003545f190c2e Mon Sep 17 00:00:00 2001
From: Calvin Rose <calsrose@gmail.com>
Date: Sat, 3 Dec 2022 12:10:22 -0600
Subject: [PATCH] Address windows compilation warning.

---
 src/core/ffi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/ffi.c b/src/core/ffi.c
index d463b697..48e0e569 100644
--- a/src/core/ffi.c
+++ b/src/core/ffi.c
@@ -240,7 +240,7 @@ static JanetByteView janet_ffijit_getbytes(void *p, size_t s) {
     JanetFFIJittedFn *fn = p;
     JanetByteView bytes;
     bytes.bytes = fn->function_pointer;
-    bytes.len = fn->size;
+    bytes.len = (int32_t) fn->size;
     return bytes;
 }
 
@@ -1299,6 +1299,7 @@ JANET_CORE_FN(cfun_ffi_jitfn,
     void *ptr = mmap(0, bytes.len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
 #else
     /* -std=c99 gets in the way */
+    /* #define MAP_ANONYMOUS 0x20 should work, though. */
     void *ptr = mmap(0, bytes.len, PROT_READ | PROT_WRITE, MAP_PRIVATE, -1, 0);
 #endif
     if (!ptr) {