ReactOS 0.4.15-dev-5672-gf73ac17
enum_files.c
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1/*
2 * Queue Manager (BITS) File Enumerator
3 *
4 * Copyright 2007, 2008 Google (Roy Shea, Dan Hipschman)
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21#include "qmgr.h"
22#include "wine/debug.h"
23
25
26typedef struct
27{
34
36{
37 return CONTAINING_RECORD(iface, EnumBackgroundCopyFilesImpl, IEnumBackgroundCopyFiles_iface);
38}
39
41 REFIID riid, void **ppv)
42{
44
45 TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
46
47 if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IEnumBackgroundCopyFiles))
48 {
49 *ppv = iface;
50 IEnumBackgroundCopyFiles_AddRef(iface);
51 return S_OK;
52 }
53
54 *ppv = NULL;
55 return E_NOINTERFACE;
56}
57
59{
62
63 TRACE("(%p)->(%d)\n", This, ref);
64 return ref;
65}
66
68{
71 ULONG i;
72
73 TRACE("(%p)->(%d)\n", This, ref);
74
75 if (ref == 0)
76 {
77 for(i = 0; i < This->numFiles; i++)
78 IBackgroundCopyFile2_Release(This->files[i]);
79 HeapFree(GetProcessHeap(), 0, This->files);
81 }
82
83 return ref;
84}
85
86/* Return reference to one or more files in the file enumerator */
88 ULONG celt, IBackgroundCopyFile **rgelt, ULONG *pceltFetched)
89{
91 ULONG fetched;
92 ULONG i;
94
95 TRACE("(%p)->(%d %p %p)\n", This, celt, rgelt, pceltFetched);
96
97 /* Despite documented behavior, Windows (tested on XP) is not verifying
98 that the caller set pceltFetched to zero. No check here. */
99
100 fetched = min(celt, This->numFiles - This->indexFiles);
101 if (pceltFetched)
102 *pceltFetched = fetched;
103 else
104 {
105 /* We need to initialize this array if the caller doesn't request
106 the length because length_is will default to celt. */
107 for (i = 0; i < celt; i++)
108 rgelt[i] = NULL;
109
110 /* pceltFetched can only be NULL if celt is 1 */
111 if (celt != 1)
112 return E_INVALIDARG;
113 }
114
115 /* Fill in the array of objects */
116 for (i = 0; i < fetched; i++)
117 {
118 file = This->files[This->indexFiles++];
119 IBackgroundCopyFile2_AddRef(file);
120 rgelt[i] = (IBackgroundCopyFile *)file;
121 }
122
123 return fetched == celt ? S_OK : S_FALSE;
124}
125
126/* Skip over one or more files in the file enumerator */
128 ULONG celt)
129{
131
132 TRACE("(%p)->(%d)\n", This, celt);
133
134 if (celt > This->numFiles - This->indexFiles)
135 {
136 This->indexFiles = This->numFiles;
137 return S_FALSE;
138 }
139
140 This->indexFiles += celt;
141 return S_OK;
142}
143
145{
147
148 TRACE("(%p)\n", This);
149
150 This->indexFiles = 0;
151 return S_OK;
152}
153
156{
158 FIXME("(%p)->(%p): stub\n", This, ppenum);
159 return E_NOTIMPL;
160}
161
163 ULONG *puCount)
164{
166 TRACE("(%p)->(%p)\n", This, puCount);
167 *puCount = This->numFiles;
168 return S_OK;
169}
170
171static const IEnumBackgroundCopyFilesVtbl EnumBackgroundCopyFilesVtbl =
172{
181};
182
184{
187 ULONG i;
188
189 TRACE("%p, %p)\n", job, enum_files);
190
191 This = HeapAlloc(GetProcessHeap(), 0, sizeof *This);
192 if (!This)
193 return E_OUTOFMEMORY;
194
195 This->IEnumBackgroundCopyFiles_iface.lpVtbl = &EnumBackgroundCopyFilesVtbl;
196 This->ref = 1;
197
198 /* Create array of files */
199 This->indexFiles = 0;
201 This->numFiles = list_count(&job->files);
202 This->files = NULL;
203 if (This->numFiles > 0)
204 {
205 This->files = HeapAlloc(GetProcessHeap(), 0,
206 This->numFiles * sizeof This->files[0]);
207 if (!This->files)
208 {
211 return E_OUTOFMEMORY;
212 }
213 }
214
215 i = 0;
216 LIST_FOR_EACH_ENTRY(file, &job->files, BackgroundCopyFileImpl, entryFromJob)
217 {
218 IBackgroundCopyFile2_AddRef(&file->IBackgroundCopyFile2_iface);
219 This->files[i] = &file->IBackgroundCopyFile2_iface;
220 ++i;
221 }
223
224 *enum_files = &This->IEnumBackgroundCopyFiles_iface;
225 return S_OK;
226}
#define InterlockedIncrement
Definition: armddk.h:53
#define InterlockedDecrement
Definition: armddk.h:52
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
const GUID IID_IUnknown
#define FIXME(fmt,...)
Definition: debug.h:111
#define E_OUTOFMEMORY
Definition: ddrawi.h:100
#define E_INVALIDARG
Definition: ddrawi.h:101
#define E_NOTIMPL
Definition: ddrawi.h:99
#define NULL
Definition: types.h:112
#define GetProcessHeap()
Definition: compat.h:736
#define HeapAlloc
Definition: compat.h:733
#define HeapFree(x, y, z)
Definition: compat.h:735
static HRESULT WINAPI EnumBackgroundCopyFiles_Clone(IEnumBackgroundCopyFiles *iface, IEnumBackgroundCopyFiles **ppenum)
Definition: enum_files.c:154
static HRESULT WINAPI EnumBackgroundCopyFiles_QueryInterface(IEnumBackgroundCopyFiles *iface, REFIID riid, void **ppv)
Definition: enum_files.c:40
static HRESULT WINAPI EnumBackgroundCopyFiles_Reset(IEnumBackgroundCopyFiles *iface)
Definition: enum_files.c:144
static HRESULT WINAPI EnumBackgroundCopyFiles_Skip(IEnumBackgroundCopyFiles *iface, ULONG celt)
Definition: enum_files.c:127
static EnumBackgroundCopyFilesImpl * impl_from_IEnumBackgroundCopyFiles(IEnumBackgroundCopyFiles *iface)
Definition: enum_files.c:35
HRESULT EnumBackgroundCopyFilesConstructor(BackgroundCopyJobImpl *job, IEnumBackgroundCopyFiles **enum_files)
Definition: enum_files.c:183
static ULONG WINAPI EnumBackgroundCopyFiles_Release(IEnumBackgroundCopyFiles *iface)
Definition: enum_files.c:67
static HRESULT WINAPI EnumBackgroundCopyFiles_GetCount(IEnumBackgroundCopyFiles *iface, ULONG *puCount)
Definition: enum_files.c:162
static HRESULT WINAPI EnumBackgroundCopyFiles_Next(IEnumBackgroundCopyFiles *iface, ULONG celt, IBackgroundCopyFile **rgelt, ULONG *pceltFetched)
Definition: enum_files.c:87
static ULONG WINAPI EnumBackgroundCopyFiles_AddRef(IEnumBackgroundCopyFiles *iface)
Definition: enum_files.c:58
static const IEnumBackgroundCopyFilesVtbl EnumBackgroundCopyFilesVtbl
Definition: enum_files.c:171
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
REFIID riid
Definition: atlbase.h:39
REFIID LPVOID * ppv
Definition: atlbase.h:39
#define S_OK
Definition: intsafe.h:52
#define debugstr_guid
Definition: kernel32.h:35
static HANDLE job
Definition: process.c:77
#define min(a, b)
Definition: monoChain.cc:55
long LONG
Definition: pedump.c:60
#define IsEqualGUID(rguid1, rguid2)
Definition: guiddef.h:147
#define REFIID
Definition: guiddef.h:118
__WINE_SERVER_LIST_INLINE unsigned int list_count(const struct list *list)
Definition: list.h:155
#define LIST_FOR_EACH_ENTRY(elem, list, type, field)
Definition: list.h:198
#define TRACE(s)
Definition: solgame.cpp:4
IBackgroundCopyFile2 ** files
Definition: enum_files.c:30
IEnumBackgroundCopyFiles IEnumBackgroundCopyFiles_iface
Definition: enum_files.c:28
Definition: fci.c:127
Definition: send.c:48
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
uint32_t ULONG
Definition: typedefs.h:59
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)
#define WINAPI
Definition: msvc.h:6
#define S_FALSE
Definition: winerror.h:2357
#define E_NOINTERFACE
Definition: winerror.h:2364