From ca5e361919fe8bd4d1d6b2d9c065e0084bbd6fa5 Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Tue, 28 Nov 2023 21:30:20 -0800
Subject: [PATCH] Don't show (win32 error 0)

---
 libc/intrin/strerror_r.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libc/intrin/strerror_r.c b/libc/intrin/strerror_r.c
index f534570b7..ba0b65ec9 100644
--- a/libc/intrin/strerror_r.c
+++ b/libc/intrin/strerror_r.c
@@ -53,7 +53,7 @@ errno_t strerror_r(int err, char *buf, size_t size) {
   // copy windows error information
   if (IsWindows()) {
     uint32_t winerr;
-    if ((winerr = GetLastError()) != err) {
+    if ((winerr = GetLastError()) != err && winerr) {
       stpcpy(FormatUint32(stpcpy(tmp, " (win32 error "), winerr), ")");
       msg = tmp;
       while ((c = *msg++) && p + 1 < pe) {