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-rw-r--r--ruby_1_8_6/ext/dl/sample/stream.rb87
1 files changed, 0 insertions, 87 deletions
diff --git a/ruby_1_8_6/ext/dl/sample/stream.rb b/ruby_1_8_6/ext/dl/sample/stream.rb
deleted file mode 100644
index 179836999d..0000000000
--- a/ruby_1_8_6/ext/dl/sample/stream.rb
+++ /dev/null
@@ -1,87 +0,0 @@
-# -*- ruby -*-
-# Display a file name and stream names of a file with those size.
-
-require 'dl'
-require 'dl/import'
-
-module NTFS
- extend DL::Importable
-
- dlload "kernel32.dll"
-
- OPEN_EXISTING = 3
- GENERIC_READ = 0x80000000
- BACKUP_DATA = 0x00000001
- BACKUP_ALTERNATE_DATA = 0x00000004
- FILE_SHARE_READ = 0x00000001
- FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
-
- typealias "LPSECURITY_ATTRIBUTES", "void*"
-
- extern "BOOL BackupRead(HANDLE, PBYTE, DWORD, PDWORD, BOOL, BOOL, PVOID)"
- extern "BOOL BackupSeek(HANDLE, DWORD, DWORD, PDWORD, PDWORD, PVOID)"
- extern "BOOL CloseHandle(HANDLE)"
- extern "HANDLE CreateFile(LPCSTR, DWORD, DWORD, LPSECURITY_ATTRIBUTES,
- DWORD, DWORD, HANDLE)"
-
- module_function
-
- def streams(filename)
- status = []
- h = createFile(filename,GENERIC_READ,FILE_SHARE_READ,nil,
- OPEN_EXISTING,FILE_FLAG_BACKUP_SEMANTICS,0)
- if( h != 0 )
- begin
- # allocate the memory for backup data used in backupRead().
- data = DL.malloc(DL.sizeof("L5"))
- data.struct!("LLLLL", :id, :attrs, :size_low, :size_high, :name_size)
-
- # allocate memories for references to long values used in backupRead().
- context = DL.malloc(DL.sizeof("L"))
- lval = DL.malloc(DL.sizeof("L"))
-
- while( backupRead(h, data, data.size, lval, false, false, context) )
- size = data[:size_low] + (data[:size_high] << (DL.sizeof("I") * 8))
- case data[:id]
- when BACKUP_ALTERNATE_DATA
- stream_name = DL.malloc(data[:name_size])
- backupRead(h, stream_name, stream_name.size,
- lval, false, false, context)
- name = stream_name[0, stream_name.size]
- name.tr!("\000","")
- if( name =~ /^:(.*?):.*$/ )
- status.push([$1,size])
- end
- when BACKUP_DATA
- status.push([nil,size])
- else
- raise(RuntimeError, "unknown data type #{data[:id]}.")
- end
- l1 = DL.malloc(DL.sizeof("L"))
- l2 = DL.malloc(DL.sizeof("L"))
- if( !backupSeek(h, data[:size_low], data[:size_high], l1, l2, context) )
- break
- end
- end
- ensure
- backupRead(h, nil, 0, lval, true, false, context)
- closeHandle(h)
- end
- return status
- else
- raise(RuntimeError, "can't open #{filename}.\n")
- end
- end
-end
-
-ARGV.each{|filename|
- if( File.exist?(filename) )
- NTFS.streams(filename).each{|name,size|
- if( name )
- print("#{filename}:#{name}\t#{size}bytes\n")
- else
- print("#{filename}\t#{size}bytes\n")
- end
- }
- end
-}