From af20f7bf0441419acd58ea0bf00db86bfa4cdb41 Mon Sep 17 00:00:00 2001
From: Kartik Naik <kartik@bugqore.com>
Date: Wed, 8 Jul 2026 20:35:30 +0530
Subject: handle GetModuleFileName failure in getprogname

---
 crypto/compat/getprogname_windows.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/compat/getprogname_windows.c b/crypto/compat/getprogname_windows.c
index eb04ec0..9de3cab 100644
--- a/crypto/compat/getprogname_windows.c
+++ b/crypto/compat/getprogname_windows.c
@@ -7,7 +7,8 @@ getprogname(void)
 {
 	static char progname[MAX_PATH + 1];
 	DWORD length = GetModuleFileName(NULL, progname, sizeof (progname) - 1);
-	if (length < 0)
+	if (length == 0)
 		return "?";
+	progname[length] = '\0';
 	return progname;
 }
-- 
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