From f7a401210914f27b637cf201704144666f7cf851 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers3@gmail.com>
Date: Thu, 3 Jul 2014 21:00:00 -0500
Subject: [PATCH] Ensure WIM has filename before doing WIMBoot extraction

---
 src/extract.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/extract.c b/src/extract.c
index 0663edd7..edac626e 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -1511,12 +1511,16 @@ check_extract_flags(const WIMStruct *wim, int *extract_flags_p)
 	}
 #endif
 
-#ifndef __WIN32__
 	if (extract_flags & WIMLIB_EXTRACT_FLAG_WIMBOOT) {
+#ifdef __WIN32__
+		if (!wim->filename)
+			return WIMLIB_ERR_NO_FILENAME;
+#else
 		ERROR("WIMBoot extraction is only supported on Windows!");
 		return WIMLIB_ERR_UNSUPPORTED;
-	}
 #endif
+	}
+
 
 	if ((extract_flags & (WIMLIB_EXTRACT_FLAG_RPFIX |
 			      WIMLIB_EXTRACT_FLAG_NORPFIX |
-- 
2.43.0