Lauri Kenttä : cmd: Compare handles to INVALID_HANDLE_VALUE, not NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 048a80ffe48a26b21f5d5a4333683a3beb6baa20
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=048a80ffe48a26b21f5d5a4333...

Author: Lauri Kenttä 
Date:   Mon Dec  5 19:07:07 2016 +0200

cmd: Compare handles to INVALID_HANDLE_VALUE, not NULL.

Signed-off-by: Lauri Kenttä 
Signed-off-by: Alexandre Julliard

---

programs/cmd/builtins.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index a29a502..f82f15a 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -444,7 +444,7 @@ static BOOL WCMD_AppendEOF(WCHAR *filename)
     h = CreateFileW(filename, GENERIC_WRITE, 0, NULL,
                     OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

-    if (h == NULL) {
+    if (h == INVALID_HANDLE_VALUE) {
       WINE_ERR("Failed to open %s (%d)\n", wine_dbgstr_w(filename), GetLastError());
       return FALSE;
     } else {
@@ -478,7 +478,7 @@ static BOOL WCMD_ManualCopy(WCHAR *srcname, WCHAR *dstname, BOOL ascii, BOOL app

in  = CreateFileW(srcname, GENERIC_READ, 0, NULL,
                       OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (in == NULL) {
+    if (in == INVALID_HANDLE_VALUE) {
       WINE_ERR("Failed to open %s (%d)\n", wine_dbgstr_w(srcname), GetLastError());
       return FALSE;
     }
@@ -486,7 +486,7 @@ static BOOL WCMD_ManualCopy(WCHAR *srcname, WCHAR *dstname, BOOL ascii, BOOL app
     /* Open the output file, overwriting if not appending */
     out = CreateFileW(dstname, GENERIC_WRITE, 0, NULL,
                       append?OPEN_EXISTING:CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (out == NULL) {
+    if (out == INVALID_HANDLE_VALUE) {
       WINE_ERR("Failed to open %s (%d)\n", wine_dbgstr_w(dstname), GetLastError());
       CloseHandle(in);
       return FALSE;