reactos/base/applications/cmdutils/fc/fc.h

98 lines
2.7 KiB
C
Raw Normal View History

/*
* PROJECT: ReactOS FC Command
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: Comparing files
* COPYRIGHT: Copyright 2021 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
*/
#pragma once
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifdef __REACTOS__
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <winnls.h>
#else
#include <windows.h>
#endif
#include <wine/list.h>
#include "resource.h"
// See also: https://stackoverflow.com/questions/33125766/compare-files-with-a-cmd
typedef enum FCRET // return code of FC command
{
FCRET_INVALID = -1,
FCRET_IDENTICAL = 0,
FCRET_DIFFERENT = 1,
FCRET_CANT_FIND = 2,
FCRET_NO_MORE_DATA = 3 // (extension)
} FCRET;
typedef struct NODE_W
{
struct list entry;
LPWSTR pszLine;
LPWSTR pszComp; // compressed
DWORD lineno;
DWORD hash;
} NODE_W;
typedef struct NODE_A
{
struct list entry;
LPSTR pszLine;
LPSTR pszComp; // compressed
DWORD lineno;
DWORD hash;
} NODE_A;
#define FLAG_A (1 << 0) // abbreviation
#define FLAG_B (1 << 1) // binary
#define FLAG_C (1 << 2) // ignore cases
#define FLAG_L (1 << 3) // ASCII mode
#define FLAG_LBn (1 << 4) // line buffers
#define FLAG_N (1 << 5) // show line numbers
#define FLAG_OFFLINE (1 << 6) // ???
#define FLAG_T (1 << 7) // prevent fc from converting tabs to spaces
#define FLAG_U (1 << 8) // Unicode
#define FLAG_W (1 << 9) // compress white space
#define FLAG_nnnn (1 << 10) // ???
#define FLAG_HELP (1 << 11) // show usage
typedef struct FILECOMPARE
{
DWORD dwFlags; // FLAG_...
INT n; // # of line buffers
INT nnnn; // retry count before resynch
LPCWSTR file[2];
struct list list[2];
} FILECOMPARE;
// text.h
FCRET TextCompareW(FILECOMPARE *pFC,
HANDLE *phMapping0, const LARGE_INTEGER *pcb0,
HANDLE *phMapping1, const LARGE_INTEGER *pcb1);
FCRET TextCompareA(FILECOMPARE *pFC,
HANDLE *phMapping0, const LARGE_INTEGER *pcb0,
HANDLE *phMapping1, const LARGE_INTEGER *pcb1);
// fc.c
VOID PrintLineW(const FILECOMPARE *pFC, DWORD lineno, LPCWSTR psz);
VOID PrintLineA(const FILECOMPARE *pFC, DWORD lineno, LPCSTR psz);
VOID PrintCaption(LPCWSTR file);
VOID PrintEndOfDiff(VOID);
VOID PrintDots(VOID);
FCRET NoDifference(VOID);
FCRET Different(LPCWSTR file0, LPCWSTR file1);
FCRET LongerThan(LPCWSTR file0, LPCWSTR file1);
FCRET OutOfMemory(VOID);
FCRET CannotRead(LPCWSTR file);
FCRET InvalidSwitch(VOID);
FCRET ResyncFailed(VOID);
HANDLE DoOpenFileForInput(LPCWSTR file);
#ifdef _WIN64
#define MAX_VIEW_SIZE (256 * 1024 * 1024) // 256 MB
#else
#define MAX_VIEW_SIZE (64 * 1024 * 1024) // 64 MB
#endif