ReactOS 0.4.15-dev-8109-gd7be748
comp.c
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1/*
2 * ReactOS Win32 Applications
3 * Copyright (C) 2005 ReactOS Team
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19/*
20 * PROJECT: ReactOS Comp utility
21 * COPYRIGHT: See COPYING in the top level directory
22 * FILE: base/applications/cmdutils/comp/comp.c
23 * PURPOSE: Compares the contents of two files
24 * PROGRAMMERS: Ged Murphy (gedmurphy@gmail.com)
25 */
26
27#include <stdio.h>
28#include <stdlib.h>
29#include <assert.h>
30
31#define WIN32_NO_STATUS
32#include <windef.h>
33#include <winbase.h>
34
35#include <conutils.h>
36
37#include "resource.h"
38
39#define STRBUF 1024
40
41/* getline: read a line, return length */
43{
44 return fread(buff, sizeof(BYTE), STRBUF, in);
45}
46
48{
49 INT result = -1;
50 if (fseek(fd, 0, SEEK_END) == 0 && (result = ftell(fd)) != -1)
51 {
52 /* Restoring file pointer */
53 rewind(fd);
54 }
55 return result;
56}
57
58
59int wmain(int argc, WCHAR* argv[])
60{
61 INT i;
62
63 /* File pointers */
64 FILE *fp1 = NULL;
65 FILE *fp2 = NULL;
66
67 INT BufLen1, BufLen2;
68 PBYTE Buff1 = NULL;
69 PBYTE Buff2 = NULL;
70 WCHAR File1[_MAX_PATH + 1], // File paths
71 File2[_MAX_PATH + 1];
72 BOOL bAscii = FALSE, // /A switch
73 bLineNos = FALSE; // /L switch
76 INT FileSizeFile1;
77 INT FileSizeFile2;
78 INT NumberOfOptions = 0;
79 INT FilesOK = 1;
81
82 /* Initialize the Console Standard Streams */
84
85 /* Parse command line for options */
86 for (i = 1; i < argc; i++)
87 {
88 if (argv[i][0] == L'/')
89 {
90 switch (towlower(argv[i][1]))
91 {
92 case L'a':
93 bAscii = TRUE;
94 NumberOfOptions++;
95 break;
96
97 case L'l':
98 bLineNos = TRUE;
99 NumberOfOptions++;
100 break;
101
102 case L'?':
104 return EXIT_SUCCESS;
105
106 default:
109 return EXIT_FAILURE;
110 }
111 }
112 }
113
114 if (argc - NumberOfOptions == 3)
115 {
116 wcsncpy(File1, argv[1 + NumberOfOptions], _MAX_PATH);
117 wcsncpy(File2, argv[2 + NumberOfOptions], _MAX_PATH);
118 }
119 else
120 {
122 return EXIT_FAILURE;
123 }
124
125 Buff1 = (PBYTE)malloc(STRBUF);
126 if (Buff1 == NULL)
127 {
128 ConPuts(StdErr, L"Can't get free memory for Buff1\n");
130 goto Cleanup;
131 }
132
133 Buff2 = (PBYTE)malloc(STRBUF);
134 if (Buff2 == NULL)
135 {
136 ConPuts(StdErr, L"Can't get free memory for Buff2\n");
138 goto Cleanup;
139 }
140
141 if ((fp1 = _wfopen(File1, L"rb")) == NULL)
142 {
145 goto Cleanup;
146 }
147 if ((fp2 = _wfopen(File2, L"rb")) == NULL)
148 {
151 goto Cleanup;
152 }
153
154 ConResPrintf(StdOut, IDS_COMPARING, File1, File2);
155
156 FileSizeFile1 = FileSize(fp1);
157 if (FileSizeFile1 == -1)
158 {
161 goto Cleanup;
162 }
163
164 FileSizeFile2 = FileSize(fp2);
165 if (FileSizeFile2 == -1)
166 {
169 goto Cleanup;
170 }
171
172 if (FileSizeFile1 != FileSizeFile2)
173 {
176 goto Cleanup;
177 }
178
179 LineNumber = 1;
180 Offset = 0;
181 while (1)
182 {
183 BufLen1 = GetBuff(Buff1, fp1);
184 BufLen2 = GetBuff(Buff2, fp2);
185
186 if (ferror(fp1) || ferror(fp2))
187 {
190 goto Cleanup;
191 }
192
193 if (!BufLen1 && !BufLen2)
194 break;
195
196 assert(BufLen1 == BufLen2);
197 for (i = 0; i < BufLen1; i++)
198 {
199 if (Buff1[i] != Buff2[i])
200 {
201 FilesOK = 0;
202
203 /* Reporting here a mismatch */
204 if (bLineNos)
206 else
208
209 if (bAscii)
210 {
211 ConResPrintf(StdOut, IDS_ASCIIDIFF, 1, Buff1[i]);
212 ConResPrintf(StdOut, IDS_ASCIIDIFF, 2, Buff2[i]);
213 }
214 else
215 {
218 }
219 }
220
221 Offset++;
222
223 if (Buff1[i] == '\n')
224 LineNumber++;
225 }
226 }
227
228 if (FilesOK)
230
231Cleanup:
232 if (fp2)
233 fclose(fp2);
234 if (fp1)
235 fclose(fp1);
236
237 if (Buff2)
238 free(Buff2);
239 if (Buff1)
240 free(Buff1);
241
242 return Status;
243}
244
245/* EOF */
static int argc
Definition: ServiceArgs.c:12
ACPI_BUFFER *RetBuffer ACPI_BUFFER *RetBuffer char ACPI_WALK_RESOURCE_CALLBACK void *Context ACPI_BUFFER *RetBuffer UINT16 ACPI_RESOURCE **ResourcePtr ACPI_GENERIC_ADDRESS *Reg UINT32 *ReturnValue UINT8 UINT8 *Slp_TypB ACPI_PHYSICAL_ADDRESS PhysicalAddress64 UINT32 UINT32 *TimeElapsed UINT32 LineNumber
Definition: acpixf.h:1220
#define IDS_HELP
Definition: resource.h:3
#define IDS_FILEERROR
Definition: resource.h:6
#define IDS_READERROR
Definition: resource.h:10
#define IDS_SIZEDIFFERS
Definition: resource.h:9
#define IDS_ASCIIDIFF
Definition: resource.h:13
#define IDS_FILESIZEERROR
Definition: resource.h:8
#define IDS_HEXADECIMALDIFF
Definition: resource.h:14
#define IDS_INVALIDSWITCH
Definition: resource.h:4
#define IDS_MISMATCHOFFSET
Definition: resource.h:12
#define IDS_COMPARING
Definition: resource.h:7
#define IDS_MISMATCHLINE
Definition: resource.h:11
#define IDS_BADSYNTAX
Definition: resource.h:5
#define IDS_MATCH
Definition: resource.h:15
void ConPuts(FILE *fp, LPCWSTR psz)
Definition: fc.c:16
#define ConInitStdStreams()
Definition: fc.c:13
#define StdOut
Definition: fc.c:14
void ConResPrintf(FILE *fp, UINT nID,...)
Definition: fc.c:33
#define StdErr
Definition: fc.c:15
void ConResPuts(FILE *fp, UINT nID)
Definition: fc.c:27
#define SEEK_END
Definition: cabinet.c:29
#define STRBUF
Definition: comp.c:39
INT GetBuff(PBYTE buff, FILE *in)
Definition: comp.c:42
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
static const WCHAR Cleanup[]
Definition: register.c:80
#define assert(x)
Definition: debug.h:53
static unsigned char buff[32768]
Definition: fatten.c:17
unsigned int BOOL
Definition: ntddk_ex.h:94
_Must_inspect_result_ _Out_ PLARGE_INTEGER FileSize
Definition: fsrtlfuncs.h:108
Status
Definition: gdiplustypes.h:25
GLuint in
Definition: glext.h:9616
GLuint64EXT * result
Definition: glext.h:11304
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
_Check_return_ _CRTIMP int __cdecl ferror(_In_ FILE *_File)
_CRTIMP void __cdecl rewind(_Inout_ FILE *_File)
_Check_return_ _CRTIMP FILE *__cdecl _wfopen(_In_z_ const wchar_t *_Filename, _In_z_ const wchar_t *_Mode)
_Check_return_opt_ _CRTIMP size_t __cdecl fread(_Out_writes_bytes_(_ElementSize *_Count) void *_DstBuf, _In_ size_t _ElementSize, _In_ size_t _Count, _Inout_ FILE *_File)
_Check_return_opt_ _CRTIMP int __cdecl fseek(_Inout_ FILE *_File, _In_ long _Offset, _In_ int _Origin)
_Check_return_opt_ _CRTIMP int __cdecl fclose(_Inout_ FILE *_File)
_Check_return_ _CRTIMP long __cdecl ftell(_Inout_ FILE *_File)
#define EXIT_FAILURE
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#define _MAX_PATH
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#define argv
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unsigned int UINT
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_In_ ULONG _In_ ULONG Offset
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BYTE * PBYTE
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#define EXIT_SUCCESS
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_CRTIMP wchar_t *__cdecl wcsncpy(wchar_t *_Dest, const wchar_t *_Source, size_t _Count)
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Definition: io.c:51
#define towlower(c)
Definition: wctype.h:97
int32_t INT
Definition: typedefs.h:58
__wchar_t WCHAR
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unsigned char BYTE
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