[DLLS] Fix 64 bit issues
[reactos.git] / dll / win32 / kernel32 / client / file / lfile.c
1 /*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS system libraries
4 * FILE: dll/win32/kernel32/client/file/lfile.c
5 * PURPOSE: Find functions
6 * PROGRAMMER: Ariadne ( ariadne@xs4all.nl)
7 * UPDATE HISTORY:
8 * Created 01/11/98
9 */
10
11 #include <k32.h>
12 #define NDEBUG
13 #include <debug.h>
14
15 /*
16 * @implemented
17 */
18 long
19 WINAPI
20 _hread(HFILE hFile, LPVOID lpBuffer, long lBytes)
21 {
22 DWORD NumberOfBytesRead;
23
24 if (!ReadFile(LongToHandle(hFile),
25 lpBuffer,
26 (DWORD) lBytes,
27 &NumberOfBytesRead,
28 NULL))
29 {
30 return HFILE_ERROR;
31 }
32 return NumberOfBytesRead;
33 }
34
35
36 /*
37 * @implemented
38 */
39 long
40 WINAPI
41 _hwrite(HFILE hFile, LPCSTR lpBuffer, long lBytes)
42 {
43 DWORD NumberOfBytesWritten;
44
45 if (lBytes == 0)
46 {
47 if (!SetEndOfFile((HANDLE)(ULONG_PTR) hFile))
48 {
49 return HFILE_ERROR;
50 }
51 return 0;
52 }
53 if (!WriteFile(LongToHandle(hFile),
54 (LPVOID) lpBuffer,
55 (DWORD) lBytes,
56 &NumberOfBytesWritten,
57 NULL))
58 {
59 return HFILE_ERROR;
60 }
61 return NumberOfBytesWritten;
62 }
63
64
65 /*
66 * @implemented
67 */
68 HFILE
69 WINAPI
70 _lopen(LPCSTR lpPathName, int iReadWrite)
71 {
72 DWORD dwAccess, dwSharing, dwCreation;
73
74 if (iReadWrite & OF_CREATE)
75 {
76 dwCreation = CREATE_ALWAYS;
77 dwAccess = GENERIC_READ | GENERIC_WRITE;
78 }
79 else
80 {
81 dwCreation = OPEN_EXISTING;
82 switch(iReadWrite & 0x03)
83 {
84 case OF_READ: dwAccess = GENERIC_READ; break;
85 case OF_WRITE: dwAccess = GENERIC_WRITE; break;
86 case OF_READWRITE: dwAccess = GENERIC_READ | GENERIC_WRITE; break;
87 default: dwAccess = 0; break;
88 }
89 }
90
91 switch(iReadWrite & 0x70)
92 {
93 case OF_SHARE_EXCLUSIVE: dwSharing = 0; break;
94 case OF_SHARE_DENY_WRITE: dwSharing = FILE_SHARE_READ; break;
95 case OF_SHARE_DENY_READ: dwSharing = FILE_SHARE_WRITE; break;
96 case OF_SHARE_DENY_NONE:
97 case OF_SHARE_COMPAT:
98 default: dwSharing = FILE_SHARE_READ | FILE_SHARE_WRITE; break;
99 }
100
101 return (HFILE)(ULONG_PTR) CreateFileA(lpPathName,
102 dwAccess,
103 dwSharing,
104 NULL,
105 dwCreation,
106 FILE_ATTRIBUTE_NORMAL,
107 NULL);
108 }
109
110
111 /*
112 * @implemented
113 */
114 HFILE
115 WINAPI
116 _lcreat(LPCSTR lpPathName, int iAttribute)
117 {
118 HANDLE hFile;
119
120 iAttribute &= FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
121 hFile = CreateFileA(lpPathName,
122 GENERIC_READ | GENERIC_WRITE,
123 (FILE_SHARE_READ | FILE_SHARE_WRITE),
124 NULL,
125 CREATE_ALWAYS,
126 iAttribute,
127 NULL);
128
129 return HandleToLong(hFile);
130 }
131
132
133 /*
134 * @implemented
135 */
136 int
137 WINAPI
138 _lclose(HFILE hFile)
139 {
140 return CloseHandle(LongToHandle(hFile)) ? 0 : HFILE_ERROR;
141 }
142
143
144 /*
145 * @implemented
146 */
147 LONG
148 WINAPI
149 _llseek(HFILE hFile, LONG lOffset, int iOrigin)
150 {
151 return SetFilePointer(LongToHandle(hFile),
152 lOffset,
153 NULL,
154 (DWORD) iOrigin);
155 }
156
157 /* EOF */