[hbelusca] 75635: [SETUPLIB]: Merge DoesPathExist() and DoesFileExist() into (temporarily called) DoesPathExistEx() function, and turn the previous two functions into macros.

Author: hbelusca
Date: Mon Aug 21 19:14:33 2017
New Revision: 75635

URL: http://svn.reactos.org/svn/reactos?rev=75635&view=rev
Log:
[SETUPLIB]: Merge DoesPathExist() and DoesFileExist() into (temporarily called) DoesPathExistEx() function, and turn the previous two functions into macros.

Modified:
    branches/setup_improvements/base/setup/lib/filesup.c
    branches/setup_improvements/base/setup/lib/filesup.h

Modified: branches/setup_improvements/base/setup/lib/filesup.c
URL: http://svn.reactos.org/svn/reactos/branches/setup_improvements/base/setup/li...
==============================================================================
--- branches/setup_improvements/base/setup/lib/filesup.c	[iso-8859-1] (original)
+++ branches/setup_improvements/base/setup/lib/filesup.c	[iso-8859-1] Mon Aug 21 19:14:33 2017
@@ -516,19 +516,17 @@
     return hr;
 }

-//
-// NOTE: It may be possible to merge both DoesPathExist and DoesFileExist...
-//
 BOOLEAN
-DoesPathExist(
+DoesPathExistEx(
     IN HANDLE RootDirectory OPTIONAL,
-    IN PCWSTR PathName)
+    IN PCWSTR PathName,
+    IN BOOLEAN IsDirectory)
 {
     NTSTATUS Status;
+    UNICODE_STRING Name;
     HANDLE FileHandle;
     OBJECT_ATTRIBUTES ObjectAttributes;
     IO_STATUS_BLOCK IoStatusBlock;
-    UNICODE_STRING Name;

RtlInitUnicodeString(&Name, PathName);

@@ -539,48 +537,20 @@
                                NULL);

Status = NtOpenFile(&FileHandle,
-                        FILE_LIST_DIRECTORY | SYNCHRONIZE,
+                        IsDirectory ? (FILE_LIST_DIRECTORY | SYNCHRONIZE)
+                                    :  FILE_GENERIC_READ, // Contains SYNCHRONIZE
                         &ObjectAttributes,
                         &IoStatusBlock,
                         FILE_SHARE_READ | FILE_SHARE_WRITE,
-                        FILE_SYNCHRONOUS_IO_NONALERT | FILE_DIRECTORY_FILE);
+                        FILE_SYNCHRONOUS_IO_NONALERT |
+                            (IsDirectory ? FILE_DIRECTORY_FILE
+                                         : FILE_NON_DIRECTORY_FILE));
     if (NT_SUCCESS(Status))
         NtClose(FileHandle);
     else
-        DPRINT1("Failed to open directory '%wZ', Status 0x%08lx\n", &Name, Status);
-
-    return NT_SUCCESS(Status);
-}
-
-BOOLEAN
-DoesFileExist(
-    IN HANDLE RootDirectory OPTIONAL,
-    IN PCWSTR PathNameToFile)
-{
-    NTSTATUS Status;
-    UNICODE_STRING FileName;
-    HANDLE FileHandle;
-    OBJECT_ATTRIBUTES ObjectAttributes;
-    IO_STATUS_BLOCK IoStatusBlock;
-
-    RtlInitUnicodeString(&FileName, PathNameToFile);
-
-    InitializeObjectAttributes(&ObjectAttributes,
-                               &FileName,
-                               OBJ_CASE_INSENSITIVE,
-                               RootDirectory,
-                               NULL);
-
-    Status = NtOpenFile(&FileHandle,
-                        FILE_GENERIC_READ, // Contains SYNCHRONIZE
-                        &ObjectAttributes,
-                        &IoStatusBlock,
-                        FILE_SHARE_READ | FILE_SHARE_WRITE,
-                        FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
-    if (NT_SUCCESS(Status))
-        NtClose(FileHandle);
-    else
-        DPRINT1("Failed to open file '%wZ', Status 0x%08lx\n", &FileName, Status);
+        DPRINT1("Failed to open %s '%wZ', Status 0x%08lx\n",
+                IsDirectory ? "directory" : "file",
+                &Name, Status);

return NT_SUCCESS(Status);
 }

Modified: branches/setup_improvements/base/setup/lib/filesup.h
URL: http://svn.reactos.org/svn/reactos/branches/setup_improvements/base/setup/li...
==============================================================================
--- branches/setup_improvements/base/setup/lib/filesup.h	[iso-8859-1] (original)
+++ branches/setup_improvements/base/setup/lib/filesup.h	[iso-8859-1] Mon Aug 21 19:14:33 2017
@@ -63,14 +63,16 @@
     IN /* PCWSTR */ ...);

BOOLEAN
-DoesPathExist(
+DoesPathExistEx(
     IN HANDLE RootDirectory OPTIONAL,
-    IN PCWSTR PathName);
+    IN PCWSTR PathName,
+    IN BOOLEAN IsDirectory);

-BOOLEAN
-DoesFileExist(
-    IN HANDLE RootDirectory OPTIONAL,
-    IN PCWSTR PathNameToFile);
+#define DoesPathExist(RootDirectory, PathName)  \
+    DoesPathExistEx((RootDirectory), (PathName), TRUE)
+
+#define DoesFileExist(RootDirectory, FileName)  \
+    DoesPathExistEx((RootDirectory), (FileName), FALSE)

// FIXME: DEPRECATED! HACKish function that needs to be deprecated!
 BOOLEAN