mirror of
https://github.com/reactos/reactos.git
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182 lines
5.4 KiB
C
182 lines
5.4 KiB
C
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/*
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* ReactOS Win32 Applications
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* Copyright (C) 2005 ReactOS Team
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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 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS comp utility
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* FILE: comp.c
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* PURPOSE: Compares the contents of two files
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* PROGRAMMERS: Ged Murphy (gedmurphy@gmail.com)
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* REVISIONS:
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* GM 25/09/05 Created
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*
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*/
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#include <windows.h>
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#include <tchar.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define STRBUF 1024
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/* getline: read a line, return length */
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INT GetLine(char *line, FILE *in)
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{
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if (fgets(line, STRBUF, in) == NULL)
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return 0;
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else
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return strlen(line);
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}
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/* print program usage */
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VOID Usage(VOID)
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{
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_tprintf(_T("\nCompares the contents of two files or sets of files.\n\n"
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"COMP [data1] [data2]\n\n"
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" data1 Specifies location and name of first file to compare.\n"
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" data2 Specifies location and name of second file to compare.\n"));
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}
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int _tmain (int argc, TCHAR *argv[])
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{
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INT i;
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INT LineLen1, LineLen2;
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FILE *fp1, *fp2; // file pointers
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PTCHAR Line1 = (TCHAR *)malloc(STRBUF * sizeof(TCHAR));
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PTCHAR Line2 = (TCHAR *)malloc(STRBUF * sizeof(TCHAR));
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TCHAR File1[_MAX_PATH], // file paths
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File2[_MAX_PATH];
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BOOL bMatch = TRUE, // files match
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bAscii = FALSE, // /A switch
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bLineNos = FALSE; // /L switch
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/* parse command line for options */
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for (i = 1; i < argc; i++)
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{
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if (argv[i][0] == '/')
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{
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--argc;
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switch (argv[i][1]) {
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case 'A': bAscii = TRUE;
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_tprintf(_T("/a not Supported\n")); /*FIXME: needs adding */
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break;
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case 'L': bLineNos = TRUE;
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_tprintf(_T("/l not supported\n")); /*FIXME: needs adding */
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break;
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case '?': Usage();
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return EXIT_SUCCESS;
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default:
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_tprintf(_T("Invalid switch - /%c\n"), argv[i][1]);
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Usage();
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return EXIT_FAILURE;
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}
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}
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}
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switch (argc)
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{
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case 1 :
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_tprintf(_T("Name of first file to compare: "));
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fgets(File1, _MAX_PATH, stdin);
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for (i=0; i<_MAX_PATH; i++)
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{
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if (File1[i] == '\n')
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{
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File1[i] = '\0';
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break;
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}
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}
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_tprintf(_T("Name of second file to compare: "));
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fgets(File2, _MAX_PATH, stdin);
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for (i=0; i<_MAX_PATH; i++)
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{
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if (File2[i] == '\n')
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{
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File2[i] = '\0';
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break;
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}
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}
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break;
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case 2 :
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_tcsncpy(File1, argv[1], _MAX_PATH);
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_tprintf(_T("Name of second file to compare: "));
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fgets(File2, _MAX_PATH, stdin);
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for (i=0; i<_MAX_PATH; i++)
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{
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if (File2[i] == '\n')
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{
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File2[i] = '\0';
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break;
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}
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}
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break;
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case 3 :
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_tcsncpy(File1, argv[1], _MAX_PATH);
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_tcsncpy(File2, argv[2], _MAX_PATH);
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break;
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default :
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_tprintf(_T("Bad command line syntax\n"));
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return EXIT_FAILURE;
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break;
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}
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if ((fp1 = fopen(File1, "r")) == NULL)
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{
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_tprintf(_T("Can't find/open file: %s\n"), File1);
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return EXIT_FAILURE;
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}
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if ((fp2 = fopen(File2, "r")) == NULL)
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{
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_tprintf(_T("Can't find/open file: %s\n"), File2);
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return EXIT_FAILURE;
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}
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_tprintf(_T("Comparing %s and %s...\n"), File1, File2);
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while ((LineLen1 = GetLine(Line1, fp1) != 0) &&
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(LineLen2 = GetLine(Line2, fp2) != 0))
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{
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// LineCount++;
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while ((*Line1 != '\0') && (*Line2 != '\0'))
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{
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if (*Line1 != *Line2)
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{
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bMatch = FALSE;
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break;
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}
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Line1++, Line2++;
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}
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}
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bMatch ? _tprintf(_T("Files compare OK\n")) : _tprintf(_T("Files are different sizes.\n"));
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fclose(fp1);
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fclose(fp2);
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return EXIT_SUCCESS;
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}
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/* EOF */
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