1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
// FileStreams.cpp
#include "StdAfx.h"
#ifndef _WIN32
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#endif
#include "FileStreams.h"
static inline HRESULT ConvertBoolToHRESULT(bool result)
{
// return result ? S_OK: E_FAIL;
#ifdef _WIN32
return result ? S_OK: (::GetLastError());
#else
return result ? S_OK: E_FAIL;
#endif
}
bool CInFileStream::Open(LPCTSTR fileName)
{
return File.Open(fileName);
}
#ifdef USE_WIN_FILE
#ifndef _UNICODE
bool CInFileStream::Open(LPCWSTR fileName)
{
return File.Open(fileName);
}
#endif
#endif
bool CInFileStream::OpenShared(LPCTSTR fileName, bool shareForWrite)
{
return File.OpenShared(fileName, shareForWrite);
}
#ifdef USE_WIN_FILE
#ifndef _UNICODE
bool CInFileStream::OpenShared(LPCWSTR fileName, bool shareForWrite)
{
return File.OpenShared(fileName, shareForWrite);
}
#endif
#endif
STDMETHODIMP CInFileStream::Read(void *data, UInt32 size, UInt32 *processedSize)
{
#ifdef USE_WIN_FILE
UInt32 realProcessedSize;
bool result = File.ReadPart(data, size, realProcessedSize);
if(processedSize != NULL)
*processedSize = realProcessedSize;
return ConvertBoolToHRESULT(result);
#else
if(processedSize != NULL)
*processedSize = 0;
ssize_t res = File.Read(data, (size_t)size);
if (res == -1)
return E_FAIL;
if(processedSize != NULL)
*processedSize = (UInt32)res;
return S_OK;
#endif
}
#ifndef _WIN32_WCE
STDMETHODIMP CStdInFileStream::Read(void *data, UInt32 size, UInt32 *processedSize)
{
#ifdef _WIN32
UInt32 realProcessedSize;
BOOL res = ::ReadFile(GetStdHandle(STD_INPUT_HANDLE),
data, size, (DWORD *)&realProcessedSize, NULL);
if(processedSize != NULL)
*processedSize = realProcessedSize;
if (res == FALSE && GetLastError() == ERROR_BROKEN_PIPE)
return S_OK;
return ConvertBoolToHRESULT(res != FALSE);
#else
if(processedSize != NULL)
*processedSize = 0;
ssize_t res;
do
{
res = read(0, data, (size_t)size);
}
while (res < 0 && (errno == EINTR));
if (res == -1)
return E_FAIL;
if(processedSize != NULL)
*processedSize = (UInt32)res;
return S_OK;
#endif
}
#endif
STDMETHODIMP CInFileStream::Seek(Int64 offset, UInt32 seekOrigin,
UInt64 *newPosition)
{
if(seekOrigin >= 3)
return STG_E_INVALIDFUNCTION;
#ifdef USE_WIN_FILE
UInt64 realNewPosition;
bool result = File.Seek(offset, seekOrigin, realNewPosition);
if(newPosition != NULL)
*newPosition = realNewPosition;
return ConvertBoolToHRESULT(result);
#else
off_t res = File.Seek(offset, seekOrigin);
if (res == -1)
return E_FAIL;
if(newPosition != NULL)
*newPosition = (UInt64)res;
return S_OK;
#endif
}
STDMETHODIMP CInFileStream::GetSize(UInt64 *size)
{
return ConvertBoolToHRESULT(File.GetLength(*size));
}
//////////////////////////
// COutFileStream
bool COutFileStream::Create(LPCTSTR fileName, bool createAlways)
{
return File.Create(fileName, createAlways);
}
#ifdef USE_WIN_FILE
#ifndef _UNICODE
bool COutFileStream::Create(LPCWSTR fileName, bool createAlways)
{
return File.Create(fileName, createAlways);
}
#endif
#endif
STDMETHODIMP COutFileStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
{
#ifdef USE_WIN_FILE
UInt32 realProcessedSize;
bool result = File.WritePart(data, size, realProcessedSize);
if(processedSize != NULL)
*processedSize = realProcessedSize;
return ConvertBoolToHRESULT(result);
#else
if(processedSize != NULL)
*processedSize = 0;
ssize_t res = File.Write(data, (size_t)size);
if (res == -1)
return E_FAIL;
if(processedSize != NULL)
*processedSize = (UInt32)res;
return S_OK;
#endif
}
STDMETHODIMP COutFileStream::Seek(Int64 offset, UInt32 seekOrigin,
UInt64 *newPosition)
{
if(seekOrigin >= 3)
return STG_E_INVALIDFUNCTION;
#ifdef USE_WIN_FILE
UInt64 realNewPosition;
bool result = File.Seek(offset, seekOrigin, realNewPosition);
if(newPosition != NULL)
*newPosition = realNewPosition;
return ConvertBoolToHRESULT(result);
#else
off_t res = File.Seek(offset, seekOrigin);
if (res == -1)
return E_FAIL;
if(newPosition != NULL)
*newPosition = (UInt64)res;
return S_OK;
#endif
}
STDMETHODIMP COutFileStream::SetSize(Int64 newSize)
{
#ifdef USE_WIN_FILE
UInt64 currentPos;
if(!File.Seek(0, FILE_CURRENT, currentPos))
return E_FAIL;
bool result = File.SetLength(newSize);
UInt64 currentPos2;
result = result && File.Seek(currentPos, currentPos2);
return result ? S_OK : E_FAIL;
#else
return E_FAIL;
#endif
}
#ifndef _WIN32_WCE
STDMETHODIMP CStdOutFileStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
{
if(processedSize != NULL)
*processedSize = 0;
#ifdef _WIN32
UInt32 realProcessedSize;
BOOL res = TRUE;
if (size > 0)
{
// Seems that Windows doesn't like big amounts writing to stdout.
// So we limit portions by 32KB.
UInt32 sizeTemp = (1 << 15);
if (sizeTemp > size)
sizeTemp = size;
res = ::WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),
data, sizeTemp, (DWORD *)&realProcessedSize, NULL);
size -= realProcessedSize;
data = (const void *)((const Byte *)data + realProcessedSize);
if(processedSize != NULL)
*processedSize += realProcessedSize;
}
return ConvertBoolToHRESULT(res != FALSE);
#else
ssize_t res;
do
{
res = write(1, data, (size_t)size);
}
while (res < 0 && (errno == EINTR));
if (res == -1)
return E_FAIL;
if(processedSize != NULL)
*processedSize = (UInt32)res;
return S_OK;
return S_OK;
#endif
}
#endif
|
