From 369d7c71485c9a63ab616d7bd69cfcd391d7637c Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robux4@ycbcr.xyz>
Date: Fri, 16 Jun 2023 14:16:03 +0200
Subject: [PATCH] Don't use FindFirstFileW() before Windows XP

On runtime it will attempt to get FindFirstFileW() from kernel32.dll
but it's not there and the DLL/program containing mbedtls will not load.

Signed-off-by: Steve Lhomme <robux4@ycbcr.xyz>
---
 library/x509_crt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/x509_crt.c b/library/x509_crt.c
index 453389b7ef..a784e634dd 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -1540,6 +1540,7 @@ int mbedtls_x509_crt_parse_path(mbedtls_x509_crt *chain, const char *path)
 {
     int ret = 0;
 #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
+#if _WIN32_WINNT >= 0x0501 /* _WIN32_WINNT_XP */
     int w_ret;
     WCHAR szDir[MAX_PATH];
     char filename[MAX_PATH];
@@ -1602,6 +1603,9 @@ int mbedtls_x509_crt_parse_path(mbedtls_x509_crt *chain, const char *path)
 
 cleanup:
     FindClose(hFind);
+#else /* !_WIN32_WINNT_XP */
+#error mbedtls_x509_crt_parse_path not available before Windows XP
+#endif /* !_WIN32_WINNT_XP */
 #else /* _WIN32 */
     int t_ret;
     int snp_ret;