[pschweitzer] 75778: [FSUTIL] Print nicer error messages

Author: pschweitzer
Date: Wed Sep  6 17:11:03 2017
New Revision: 75778

URL: http://svn.reactos.org/svn/reactos?rev=75778&view=rev
Log:
[FSUTIL]
Print nicer error messages

Modified:
    trunk/reactos/base/applications/cmdutils/fsutil/common.c
    trunk/reactos/base/applications/cmdutils/fsutil/dirty.c
    trunk/reactos/base/applications/cmdutils/fsutil/fsinfo.c
    trunk/reactos/base/applications/cmdutils/fsutil/fsutil.h

Modified: trunk/reactos/base/applications/cmdutils/fsutil/common.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/cmdutils…
==============================================================================
--- trunk/reactos/base/applications/cmdutils/fsutil/common.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/cmdutils/fsutil/common.c	[iso-8859-1] Wed Sep  6
17:11:03 2017
@@ -72,7 +72,7 @@
                          NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
     if (hVolume == INVALID_HANDLE_VALUE)
     {
-        _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
+        PrintErrorMessage(GetLastError());
         return INVALID_HANDLE_VALUE;
     }
 
@@ -99,3 +99,24 @@
         _ftprintf(stderr, _T("%s\t%s\n"), HandlersList[i].Command,
HandlersList[i].Desc);
     }
 }
+
+int PrintErrorMessage(DWORD Error)
+{
+    TCHAR * String;
+
+    /* Try to get textual error */
+    if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+                       NULL, Error, 0, (TCHAR *)&String, 0, NULL) != 0)
+    {
+        /* And print it */
+        _ftprintf(stderr, _T("Error: %s\n"), String);
+        LocalFree(String);
+    }
+    else
+    {
+        /* Otherwise, just print the error number */
+        _ftprintf(stderr, _T("Error: %d\n"), Error);
+    }
+
+    return Error;
+}

Modified: trunk/reactos/base/applications/cmdutils/fsutil/dirty.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/cmdutils…
==============================================================================
--- trunk/reactos/base/applications/cmdutils/fsutil/dirty.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/cmdutils/fsutil/dirty.c	[iso-8859-1] Wed Sep  6
17:11:03 2017
@@ -44,7 +44,7 @@
     if (DeviceIoControl(Volume, FSCTL_IS_VOLUME_DIRTY, NULL, 0, &VolumeStatus,
                         sizeof(ULONG), &BytesRead, NULL) == FALSE)
     {
-        _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
+        PrintErrorMessage(GetLastError());
         CloseHandle(Volume);
         return 1;
     }
@@ -81,7 +81,7 @@
     /* And set the dirty bit */
     if (DeviceIoControl(Volume, FSCTL_MARK_VOLUME_DIRTY, NULL, 0, NULL, 0,
&BytesRead, NULL) == FALSE)
     {
-        _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
+        PrintErrorMessage(GetLastError());
         CloseHandle(Volume);
         return 1;
     }

Modified: trunk/reactos/base/applications/cmdutils/fsutil/fsinfo.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/cmdutils…
==============================================================================
--- trunk/reactos/base/applications/cmdutils/fsutil/fsinfo.c	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/cmdutils/fsutil/fsinfo.c	[iso-8859-1] Wed Sep  6
17:11:03 2017
@@ -30,7 +30,7 @@
     Drives = GetLogicalDrives();
     if (Drives == 0)
     {
-        _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
+        PrintErrorMessage(GetLastError());
         return 1;
     }
 
@@ -119,7 +119,7 @@
     if (!GetVolumeInformation(argv[1], VolumeName,  MAX_PATH + 1, &Serial,
                               &MaxComponentLen, &Flags, FileSystem, MAX_PATH +
1))
     {
-        _ftprintf(stderr, _T("Error: %d\n"), GetLastError());
+        PrintErrorMessage(GetLastError());
         return 1;
     }
 

Modified: trunk/reactos/base/applications/cmdutils/fsutil/fsutil.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/cmdutils…
==============================================================================
--- trunk/reactos/base/applications/cmdutils/fsutil/fsutil.h	[iso-8859-1] (original)
+++ trunk/reactos/base/applications/cmdutils/fsutil/fsutil.h	[iso-8859-1] Wed Sep  6
17:11:03 2017
@@ -26,4 +26,6 @@
                        HandlerItem * HandlersList,
                        int HandlerListCount);
 
+int PrintErrorMessage(DWORD Error);
+
 #endif