From: Eric Biggers <ebiggers3@gmail.com>
Date: Mon, 13 Jan 2014 20:35:12 +0000 (-0600)
Subject: win32_delete_file_wrapper(): Check for INVALID_FILE_ATTRIBUTES
X-Git-Tag: v1.6.1~52
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=28ebd986920812c7f91f30a3f3783d1ab3c951d0

win32_delete_file_wrapper(): Check for INVALID_FILE_ATTRIBUTES
---

diff --git a/src/win32_apply.c b/src/win32_apply.c
index 9eb8bad0..df74519d 100644
--- a/src/win32_apply.c
+++ b/src/win32_apply.c
@@ -158,15 +158,17 @@ error:
 static BOOL
 win32_delete_file_wrapper(const wchar_t *path)
 {
-	DWORD attrib;
 	DWORD err;
+	DWORD attrib;
 
 	if (DeleteFile(path))
 		return TRUE;
 
 	err = GetLastError();
 	attrib = GetFileAttributes(path);
-	if (attrib & FILE_ATTRIBUTE_READONLY) {
+	if ((attrib != INVALID_FILE_ATTRIBUTES) &&
+	    (attrib & FILE_ATTRIBUTE_READONLY))
+	{
 		/* Try again with FILE_ATTRIBUTE_READONLY cleared.  */
 		attrib &= ~FILE_ATTRIBUTE_READONLY;
 		if (SetFileAttributes(path, attrib)) {