1 files changed, 5 insertions, 0 deletions

diff --git a/crypto/compat/posix_win.c b/crypto/compat/posix_win.c
index ea229c9..246f891 100644
--- a/crypto/compat/posix_win.c
+++ b/crypto/compat/posix_win.c
@@ -27,6 +27,11 @@
 static int
 is_socket(int fd)
 {
+        // Border case: Don't break std* file descriptors
+        if (fd < 3)
+                return 0;
+
+        // All locally-allocated file descriptors will have the high bit set
         return (fd & 0x80000000) == 0;
 }