108 lines
2.0 KiB
C++
108 lines
2.0 KiB
C++
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/*
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** Command & Conquer Generals Zero Hour(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//
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// fileops.cpp
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//
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#include "stdAfx.h"
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#include "fileops.h"
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int FileExists ( const char *filename )
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{
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int fa = FileAttribs ( filename );
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return ! ( (fa == FA_NOFILE) || (fa & FA_DIRECTORY ));
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}
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int FileAttribs ( const char *filename )
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{
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WIN32_FIND_DATA fi;
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HANDLE handle;
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int fa = FA_NOFILE;
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handle = FindFirstFile ( filename, &fi );
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if ( handle != INVALID_HANDLE_VALUE )
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{
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if ( fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
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{
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fa |= FA_DIRECTORY;
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}
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if ( fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY )
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{
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fa |= FA_READONLY;
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}
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else
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{
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fa |= FA_WRITEABLE;
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}
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FindClose ( handle );
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}
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return fa;
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}
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static void make_bk_name ( char *bkname, const char *filename )
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{
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char *ext, *ext1;
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strcpy ( bkname, filename );
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ext = strchr ( filename, '.' );
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ext1 = strchr ( bkname, '.' );
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if ( ext )
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{
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strcpy ( ext1, "_back_up" );
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strcat ( ext1, ext );
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}
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else
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{
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strcat ( bkname, "_back_up" );
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}
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}
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void MakeBackupFile ( const char *filename )
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{
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char bkname[256];
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make_bk_name ( bkname, filename );
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CopyFile ( filename, bkname, FALSE );
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}
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void RestoreBackupFile ( const char *filename )
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{
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char bkname[256];
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make_bk_name ( bkname, filename );
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if ( FileExists ( bkname ))
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{
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CopyFile ( bkname, filename, FALSE );
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}
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}
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