Simple implementation of the MS comp utility (remembered to add the files this time :) )

svn path=/trunk/; revision=18069

rosapps/cmdutils/comp/comp.c

@@ -0,0 +1,181 @@
+/*
+ *  ReactOS Win32 Applications
+ *  Copyright (C) 2005 ReactOS Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/*
+ * COPYRIGHT:   See COPYING in the top level directory
+ * PROJECT:     ReactOS comp utility
+ * FILE:        comp.c
+ * PURPOSE:     Compares the contents of two files
+ * PROGRAMMERS: Ged Murphy (gedmurphy@gmail.com)
+ * REVISIONS:
+ *   GM 25/09/05 Created
+ *
+ */
+
+
+#include <windows.h>
+#include <tchar.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define STRBUF 1024
+
+/* getline:  read a line, return length */
+INT GetLine(char *line, FILE *in)
+{
+    if (fgets(line, STRBUF, in) == NULL)
+        return 0;
+    else
+        return strlen(line);
+}
+
+/* print program usage */
+VOID Usage(VOID)
+{
+    _tprintf(_T("\nCompares the contents of two files or sets of files.\n\n"
+                "COMP [data1] [data2]\n\n"
+                "  data1      Specifies location and name of first file to compare.\n"
+                "  data2      Specifies location and name of second file to compare.\n"));
+}
+
+
+int _tmain (int argc, TCHAR *argv[])
+{
+    INT i;
+    INT LineLen1, LineLen2;
+    FILE *fp1, *fp2;           // file pointers
+    PTCHAR Line1 = (TCHAR *)malloc(STRBUF * sizeof(TCHAR));
+    PTCHAR Line2 = (TCHAR *)malloc(STRBUF * sizeof(TCHAR));
+    TCHAR File1[_MAX_PATH],    // file paths
+          File2[_MAX_PATH];
+    BOOL bMatch = TRUE,        // files match
+         bAscii = FALSE,       // /A switch
+         bLineNos = FALSE;     // /L switch
+
+    /* parse command line for options */
+    for (i = 1; i < argc; i++)
+    {
+        if (argv[i][0] == '/')
+        {
+            --argc;
+            switch (argv[i][1]) {
+               case 'A': bAscii = TRUE;
+                         _tprintf(_T("/a not Supported\n")); /*FIXME: needs adding */
+                         break;
+               case 'L': bLineNos = TRUE;
+                         _tprintf(_T("/l not supported\n")); /*FIXME: needs adding */
+                         break;
+               case '?': Usage();
+                         return EXIT_SUCCESS;
+               default:
+                   _tprintf(_T("Invalid switch - /%c\n"), argv[i][1]);
+                   Usage();
+                   return EXIT_FAILURE;
+            }
+        }
+    }
+
+    switch (argc)
+    {
+        case 1 :
+                 _tprintf(_T("Name of first file to compare: "));
+                 fgets(File1, _MAX_PATH, stdin);
+                 for (i=0; i<_MAX_PATH; i++)
+                 {
+                     if (File1[i] == '\n')
+                     {
+                         File1[i] = '\0';
+                         break;
+                     }
+                 }
+
+                 _tprintf(_T("Name of second file to compare: "));
+                 fgets(File2, _MAX_PATH, stdin);
+                 for (i=0; i<_MAX_PATH; i++)
+                 {
+                     if (File2[i] == '\n')
+                     {
+                         File2[i] = '\0';
+                         break;
+                     }
+                 }
+                 break;
+        case 2 :
+                 _tcsncpy(File1, argv[1], _MAX_PATH);
+                 _tprintf(_T("Name of second file to compare: "));
+                 fgets(File2, _MAX_PATH, stdin);
+                 for (i=0; i<_MAX_PATH; i++)
+                 {
+                     if (File2[i] == '\n')
+                     {
+                         File2[i] = '\0';
+                         break;
+                     }
+                 }
+                 break;
+        case 3 :
+                 _tcsncpy(File1, argv[1], _MAX_PATH);
+                 _tcsncpy(File2, argv[2], _MAX_PATH);
+                 break;
+        default :
+                  _tprintf(_T("Bad command line syntax\n"));
+                  return EXIT_FAILURE;
+                  break;
+    }
+
+
+
+    if ((fp1 = fopen(File1, "r")) == NULL)
+    {
+        _tprintf(_T("Can't find/open file: %s\n"), File1);
+        return EXIT_FAILURE;
+    }
+    if ((fp2 = fopen(File2, "r")) == NULL)
+    {
+        _tprintf(_T("Can't find/open file: %s\n"), File2);
+        return EXIT_FAILURE;
+    }
+
+
+    _tprintf(_T("Comparing %s and %s...\n"), File1, File2);
+
+    while ((LineLen1 = GetLine(Line1, fp1) != 0) &&
+           (LineLen2 = GetLine(Line2, fp2) != 0))
+    {
+        // LineCount++;
+        while ((*Line1 != '\0') && (*Line2 != '\0'))
+        {
+            if (*Line1 != *Line2)
+            {
+                bMatch = FALSE;
+                break;
+            }
+            Line1++, Line2++;
+        }
+    }
+
+    bMatch ? _tprintf(_T("Files compare OK\n")) : _tprintf(_T("Files are different sizes.\n"));
+
+    fclose(fp1);
+    fclose(fp2);
+
+
+    return EXIT_SUCCESS;
+}
+/* EOF */

rosapps/cmdutils/comp/comp.rc

@@ -0,0 +1,4 @@
+#define REACTOS_STR_FILE_DESCRIPTION    "File Compare Utility\0"
+#define REACTOS_STR_INTERNAL_NAME   "comp\0"
+#define REACTOS_STR_ORIGINAL_FILENAME   "comp.exe\0"
+#include <reactos/version.rc>

rosapps/cmdutils/comp/comp.xml

@@ -0,0 +1,7 @@
+<module name="comp" type="win32cui" installbase="system32" installname="comp.exe" allowwarnings="true">
+    <define name="__USE_W32API" />
+    <library>kernel32</library>
+    <file>comp.c</file>
+    <file>comp.rc</file>
+</module>
+