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1.1 root 1:
2:
3: //#include <string.h>
4: //#include <tchar.h>
5:
6: #include <stdio.h>
7: #include "perfmon.h"
8: #include "fileutil.h"
9: #include "utils.h"
10:
11: #include <string.h> // for strncpy
12: #ifdef UNICODE
13: #define _tcsrchr wcsrchr
14: #else
15: #define _tcsrchr strrchr
16: #endif
17:
18: #define DRIVE_DELIMITER TEXT(':')
19: #define DIRECTORY_DELIMITER TEXT('\\')
20: #define EXTENSION_DELIMITER TEXT('.')
21:
22:
23: #if 0
24: VOID FileErrorMessageBox(HWND hWnd, LPTSTR lpszFileName, DWORD ErrorCode)
25: {
26: TCHAR szErrorMessage[FILE_ERROR_MESSAGE_SIZE] ;
27: TCHAR szErrorMessageTemplate[FILE_ERROR_MESSAGE_SIZE] ;
28:
29: StringLoad (IDS_FILE_ERROR, szErrorMessageTemplate) ;
30: TSPRINTF((LPTSTR)szErrorMessage,
31: (LPTSTR)szErrorMessageTemplate,
32: lpszFileName,
33: ErrorCode) ;
34:
35: MessageBox (hWnd, (LPTSTR)szErrorMessage, NULL,
36: MB_OK | MB_ICONSTOP | MB_TASKMODAL);
37: return ;
38: }
39: #endif
40:
41:
42: BOOL FileRead (HANDLE hFile,
43: LPMEMORY lpMemory,
44: DWORD nAmtToRead)
45: { // FileRead
46: BOOL bSuccess ;
47: DWORD nAmtRead ;
48:
49: bSuccess = ReadFile (hFile, lpMemory, nAmtToRead, &nAmtRead, NULL) ;
50: return (bSuccess && (nAmtRead == nAmtToRead)) ;
51: } // FileRead
52:
53:
54:
55: BOOL FileWrite (HANDLE hFile,
56: LPMEMORY lpMemory,
57: DWORD nAmtToWrite)
58: { // FileWrite
59: BOOL bSuccess ;
60: DWORD nAmtWritten ;
61:
62: bSuccess = WriteFile (hFile, lpMemory, nAmtToWrite, &nAmtWritten, NULL) ;
63: return (bSuccess && (nAmtWritten == nAmtToWrite)) ;
64: } // FileWrite
65:
66:
67: #if 0
68: HANDLE FileHandleOpen (LPTSTR lpszFilePath)
69: { // FileHandleOpen
70: return ((HANDLE) CreateFile (lpszFilePath,
71: GENERIC_READ |
72: GENERIC_WRITE,
73: FILE_SHARE_READ |
74: FILE_SHARE_WRITE,
75: NULL,
76: OPEN_EXISTING,
77: 0,
78: NULL)) ;
79: } // FileHandleOpen
80:
81:
82: HANDLE FileHandleCreate (LPTSTR lpszFilePath)
83: { // FileHandleCreate
84: return ((HANDLE) CreateFile (lpszFilePath,
85: GENERIC_READ | GENERIC_WRITE,
86: FILE_SHARE_READ,
87: NULL,
88: CREATE_ALWAYS,
89: FILE_ATTRIBUTE_NORMAL,
90: NULL)) ;
91: } // FileHandleCreate
92:
93:
94:
95: long FileSeekEnd (HANDLE hFile,
96: long lAmtToMove)
97: { // FileSeekEnd
98: return (SetFilePointer (hFile, lAmtToMove, NULL, FILE_END)) ;
99: } // FileSeekEnd
100:
101:
102: long FileSeekBegin (HANDLE hFile,
103: long lAmtToMove)
104: { // FileSeekBegin
105: return (SetFilePointer (hFile, lAmtToMove, NULL, FILE_BEGIN)) ;
106: } // FileSeekBegin
107:
108:
109: long FileSeekCurrent (HANDLE hFile,
110: long lAmtToMove)
111: { // FileSeekCurrent
112: return (SetFilePointer (hFile, lAmtToMove, NULL, FILE_CURRENT)) ;
113: } // FileSeekCurrent
114:
115:
116:
117: long FileTell (HANDLE hFile)
118: { // FileTell
119: return (SetFilePointer (hFile, 0, NULL, FILE_CURRENT)) ;
120: } // FileTell
121: #endif
122:
123:
124:
125: LPMEMORY FileMap (HANDLE hFile, HANDLE *phMapHandle)
126: /*
127: To Do: Error reporting!!
128: */
129: { // FileMap
130: HANDLE hMapping ;
131:
132:
133: *phMapHandle = 0 ;
134: hMapping = CreateFileMapping (hFile, NULL, PAGE_READONLY,
135: 0, 0, NULL) ;
136: if (!hMapping)
137: return (NULL) ;
138:
139: *phMapHandle = hMapping ;
140: return (MapViewOfFile (hMapping, FILE_MAP_READ, 0, 0, 0)) ;
141: } // FileMap
142:
143:
144:
145: BOOL FileUnMap (LPVOID pBase, HANDLE hMapping)
146: /*
147: To Do: Error reporting!!
148: */
149: { // FileUnMap
150: UnmapViewOfFile(pBase) ;
151: CloseHandle (hMapping) ;
152: return (TRUE) ;
153: } // FileUnMap
154:
155:
156:
157: void FileNameExtension (LPTSTR lpszSpec,
158: LPTSTR lpszFileNameExtension)
159: /*
160: Effect: Return the name and extension portion only of lpszSpec
161: int lpszFileNameExtension.
162:
163: Assert: lpszFileNameExtension is large enough to hold a name,
164: delimiter, extension, and terminating null character.
165: */
166: { // FileNameExtension
167: LPTSTR lpszDelimiter ;
168:
169: lpszDelimiter = _tcsrchr ((LPCTSTR)lpszSpec, (TCHAR)DIRECTORY_DELIMITER) ;
170: if (!lpszDelimiter)
171: lpszDelimiter = _tcsrchr ((LPCTSTR)lpszSpec, (TCHAR)DRIVE_DELIMITER) ;
172:
173: lstrcpy (lpszFileNameExtension,
174: lpszDelimiter ? ++lpszDelimiter : lpszSpec) ;
175: } // FileNameExtension
176:
177:
178:
179: void FileDriveDirectory (LPTSTR lpszFileSpec,
180: LPTSTR lpszDirectory)
181: /*
182: Effect: Extract the drive and directory from the file
183: specification lpszFileSpec, and return the it in
184: lpszDirectory.
185:
186: Internals: Copy the the whole spec to lpszDirectory. Use lstrrchr
187: to find the *last* directory delimiter ('\') and
188: truncate the string right after that.
189:
190: Note: This function assumes that the specification lpszFileSpec
191: is fairly complete, in that it contains both a directory
192: and a file name.
193: */
194: { // FileDriveDirectory
195: LPTSTR lpszDelimiter ;
196:
197: lstrcpy (lpszDirectory, lpszFileSpec) ;
198: lpszDelimiter = _tcsrchr ((LPCTSTR)lpszDirectory, (TCHAR)DIRECTORY_DELIMITER) ;
199: if (lpszDelimiter)
200: *(++lpszDelimiter) = TEXT('\0') ;
201: } // FileDriveDirectory
202:
203:
204:
205:
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