source: trunk/stdcode/file.c@ 3

Last change on this file since 3 was 3, checked in by erdmann, 8 years ago

fixing 2 bugs in mmi_customdll.c, unpacking STDCODE.RAR into its own directory, removing all binaries (.obj, .exe) from repo
  • Property svn:eol-style set to native
File size: 8.3 KB
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1
2// ù Ä ÄÄÄÄÍÍ = Ä ù Ä = ÍÍÄÄÄÄ Ä ù
3// ³ ³
4// ÜÛÛÛÛÛÛÛÜ ÜÛÜ ÜÛÛÛÛÛÛÛÛÜ ú úÄÄÄÍÄÄÍÄÍÍÄÄÍÍÍÍÄÍÍÍÍÍÍÍÍÍÎÄ
5// ³ ÛÛÛÛßßßÛÛÛÛ ÛÛÛÛÛ ÛÛÛß ßÛÛÛ ³ MINSTALL Front-End º
6// º ÛÛÛÛÜÜÜÛÛÛÛ ÛÛÛÛÛ ÛÛÛÜ ÜÛÛÛ º ú ÄÄÄÄÍÄÍÍÄÄÍÍÍÍÄÍÍÍÍÍÍÍÍÄÍÍÍÍÍÎÄ
7// º ÛÛÛÛÛÛÛÛÛÛÛ ÛÛÛÛÛ ÛÛÛÛÛÛÛÛÛß º Section: MMOS/2 for eCS º
8// º ÛÛÛÛ ÛÛÛÛ ÛÛÛÛÛ ÛÛÛÛ ßÛÛÛÛÜ º ³ Created: 28/10/02 º
9// ³ ßÛÛß ßÛÛß ßÛß ßÛÛß ßÛÛß ³ ³ Last Modified: ³
10// ÜÜÜ ³ Number Of Modifications: 000 ³
11// ù ÜÛÛß ù ³ INCs required: *none* ³
12// ÄÄÄÄÄÄÄ ÜÛÛß º Written By: Martin Kiewitz ³
13// ³ Ú¿Ú¿³ÜÛÛÛÜÜÛÛÛÜ ³ º (c) Copyright by ³
14// º ÀÙ³ÀÙßÛÛÛßßÜÛÛß º º AiR ON-Line Software '02 ú
15// º ÄÄÄÄÄÄÄ ÜÛÛÝ º º All rights reserved.
16// º ÜÛÛÛÄÄÄÄÄÄÄÄÄ º ÄÎÍÍÍÄÍÍÍÍÍÄÍÍÍÍÄÍÍÄÄÍÄÄÍÄÄÄúÄÄ ú
17// º ÜÛÛÛݳ ³Ú¿³³Ä º
18// ³ ÜÛÛÛÛ Àij³ÀÙ³Ä ³
19// ßÛÛÛÛÝÄÄÄÄÄÄÄÄÄÄ
20// ³ ßß ³
21// ù ÄŽ-=’iç éï-Liïî SéŸâW’çî=-ÃÄÄ ù
22
23#define INCL_NOPMAPI
24#define INCL_BASE
25#define INCL_DOSMODULEMGR
26#include <os2.h>
27
28#include <global.h>
29#include <crcs.h>
30#include <file.h>
31
32// PCHAR FILE_CONFIGSYS = 0;
33// PCHAR FILE_DelayUtilFileName = 0;
34// PCHAR FILE_DelayListFileName = 0;
35// PCHAR FILE_DelayDirectory = 0;
36
37// Copies a file, will not replace existing file. Replies TRUE, if succeeded
38APIRET FILE_Copy (PSZ SourceFileName, PSZ DestFileName) {
39 APIRET rc;
40 if (!(rc = DosCopy (SourceFileName, DestFileName, 0)))
41 rc = FILE_ResetAttributes (DestFileName);
42 return rc;
43 }
44
45// Copies a file, replaces existing file. Replies TRUE, if succeeded
46BOOL FILE_Replace (PSZ SourceFileName, PSZ DestFileName) {
47 APIRET rc;
48 if (!(rc = DosCopy (SourceFileName, DestFileName, DCPY_EXISTING)))
49 FILE_ResetAttributes (DestFileName);
50 return rc;
51 }
52
53// This creates a multi-level directory... Needs a FQ-directory/filename as
54// input. "C:\test\test" is not correct. Use "C:\test\test\".
55BOOL FILE_CreateDirectory (PSZ DirectoryName) {
56 CHAR TempDirectoryName[MAXFILELENGTH];
57 PCHAR CurPos = (PCHAR)&TempDirectoryName;
58 PCHAR EndPos = (PCHAR)((ULONG)&TempDirectoryName+strlen(DirectoryName));
59 APIRET rc = 0;
60
61 if ((EndPos-CurPos)>=MAXFILELENGTH)
62 return FALSE; // due Buffer-Overflow
63
64 // Copy Directory-Name...
65 strcpy (TempDirectoryName, DirectoryName);
66
67 CurPos += 3; // skip over "x:\"
68 while (CurPos<EndPos) {
69 if (*CurPos==0x5C) {
70 *CurPos = 0; // Set terminating NUL...
71 rc = DosCreateDir (TempDirectoryName, NULL);
72 if ((rc!=0) && (rc!=ERROR_ACCESS_DENIED))
73 return FALSE;
74 *CurPos = 0x5C; // Set '\' again...
75 }
76 CurPos++;
77 }
78 return TRUE;
79 }
80
81// Will reset R/O, System, Hidden and Archive attributes on a given file
82BOOL FILE_ResetAttributes (PSZ FileName) {
83 FILESTATUS3 CurFileInfo = {0};
84 CurFileInfo.attrFile = FILE_NORMAL;
85 if (DosSetPathInfo (FileName, FIL_STANDARD, &CurFileInfo, sizeof(CurFileInfo), 0))
86 return FALSE;
87 return TRUE;
88 }
89
90// Loads in a maximum of 128k of a control file. We don't support more for
91// security, because we load the whole file at once and we dont know IF the
92// file actually IS a control file.
93BOOL FILE_LoadFileControl (PFILECONTROL FileControl, ULONG MaxFileSize) {
94 FILE *FileHandle = 0;
95
96 FileControl->BufferPtr = 0;
97 FileControl->BufferSize = 0;
98
99 FileHandle = fopen(FileControl->Name, "rb");
100 if (FileHandle==NULL)
101 return FALSE;
102
103 // Get File-Length of INI-File, check for maximum buffer-length
104 fseek (FileHandle, 0, SEEK_END);
105 FileControl->BufferSize = ftell(FileHandle);
106 if (FileControl->BufferSize>=MaxFileSize) FileControl->BufferSize = MaxFileSize;
107
108 FileControl->BufferPtr = malloc(FileControl->BufferSize+1);
109 if (FileControl->BufferPtr==NULL) {
110 fclose (FileHandle);
111 return FALSE;
112 }
113
114 FileControl->BufferEndPtr = (PCHAR)((ULONG)FileControl->BufferPtr+FileControl->BufferSize);
115
116 // Read in CONTROL.SCR-File (maximum MaxFileSize)
117 fseek (FileHandle, 0, SEEK_SET); // Seek back to start
118 if (FileControl->BufferSize != fread(FileControl->BufferPtr, 1, FileControl->BufferSize, FileHandle)) {
119 fclose (FileHandle);
120 FILE_UnLoadFileControl (FileControl);
121 return FALSE;
122 }
123
124 // Put ending NUL for safety
125 *FileControl->BufferEndPtr = 0;
126
127 // And close INI-File afterwards...
128 fclose (FileHandle);
129 return TRUE;
130 }
131
132VOID FILE_UnLoadFileControl (PFILECONTROL FileControl) {
133 if (FileControl->BufferPtr) {
134 free (FileControl->BufferPtr);
135 FileControl->BufferPtr = 0;
136 }
137 }
138
139// Replaces all comments and LFs with CRs in a Control-File buffer, so the
140// actual parse routines will not process this data.
141VOID FILE_PreProcessControlFile (PFILECONTROL FileControl) {
142 PCHAR CurPos = FileControl->BufferPtr;
143 PCHAR StartPos = CurPos;
144 CHAR CurChar = 0;
145
146 while (CurPos<FileControl->BufferEndPtr) {
147 if (*(PUSHORT)CurPos==0x2A2F) {
148 *(PUSHORT)CurPos = 0x2020; StartPos = CurPos; CurPos += 2;
149 while (CurPos<FileControl->BufferEndPtr) {
150 if (*(PUSHORT)CurPos==0x2F2A) { // Got End-Of-Comment
151 *(PUSHORT)CurPos = 0x2020; CurPos++;
152 break;
153 } else if (*CurPos!=0x0D)
154 *CurPos = 0x20; // Fill in spaces...
155 CurPos++;
156 }
157 } else {
158 CurChar = *CurPos;
159 if ((CurChar==0x0A) || (CurChar==0x1A) || (CurChar==0x09))
160 *CurPos = 0x20; // Replace LF, EOF and TAB with space
161 }
162 CurPos++;
163 }
164 }
165
166ULONG FILE_CountControlFileLines (PFILECONTROL FileControl) {
167 PCHAR CurPos = FileControl->BufferPtr;
168 PCHAR StartPos = CurPos;
169 ULONG TotalLines = 0;
170
171 while (CurPos<FileControl->BufferEndPtr) {
172 if (*CurPos!=0x0D) {
173 StartPos = CurPos;
174 while ((CurPos<FileControl->BufferEndPtr) & (*CurPos!=0x0D)) {
175 if ((*CurPos!=0x20)) { // Count line, if not empty...
176 TotalLines++;
177 while ((CurPos<FileControl->BufferEndPtr) & (*CurPos!=0x0D))
178 CurPos++;
179 break;
180 } else CurPos++;
181 }
182 }
183 CurPos++;
184 }
185 return TotalLines;
186 }
187
188// Checks, if FileName consists of path and filename, or filename only.
189// will return FALSE; when no path got found (by looking for '\' character.
190BOOL FILE_IncludesPath (PSZ FileName) {
191 PCHAR CurPos = FileName;
192
193 while (*CurPos!=0) {
194 if (*CurPos==0x5C)
195 return TRUE;
196 CurPos++;
197 }
198 return FALSE;
199 }
200
201VOID FILE_SetDefaultExtension (PSZ FileName, ULONG FileNameMaxSize, PSZ DefaultExtension) {
202 ULONG FileNameLen = strlen(FileName);
203 PCHAR EndPos = (PCHAR)((ULONG)FileName+FileNameLen);
204 PCHAR CurPos = EndPos;
205 ULONG DefaultLen;
206
207 // Don't modify NUL filenames
208 if (!FileNameLen) return;
209
210 while (CurPos>FileName) {
211 if (*CurPos==0x5C) // If '\' is found, add extension
212 break;
213 if (*CurPos=='.') // Got '.' so has extension, exit
214 return;
215 CurPos--;
216 }
217 // Check, if we have enough place left
218 DefaultLen = strlen(DefaultExtension);
219 if ((FileNameMaxSize-FileNameLen)>DefaultLen) {
220 // Copy extension over including terminating NUL
221 memcpy (EndPos, DefaultExtension, DefaultLen+1);
222 }
223 }
224
225VOID FILE_PutS (HFILE FileHandle, PSZ String) {
226 ULONG StringLen = strlen(String);
227 ULONG Written;
228
229 DosWrite (FileHandle, String, StringLen, &Written);
230 }
231
232BOOL FILE_GetCurrentPath (PSZ DestCurrentPath, ULONG PathMaxSize) {
233 ULONG CurrentDisk = 0;
234 ULONG CurrentLogDisks = 0;
235 CHAR CurrentDir[MAXFILELENGTH];
236 ULONG CurrentDirMaxSize = MAXFILELENGTH;
237
238 // Find out path, where we currently are...
239 if (DosQueryCurrentDisk (&CurrentDisk, &CurrentLogDisks))
240 return FALSE;
241 if (DosQueryCurrentDir (0, CurrentDir, &CurrentDirMaxSize))
242 return FALSE;
243 if (strlen(CurrentDir)+3>=PathMaxSize)
244 return FALSE; // due Buffer-overflow
245
246 sprintf (DestCurrentPath, "%c:\\%s", CurrentDisk+64, CurrentDir);
247 return TRUE;
248 }
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