ReactOS 0.4.15-dev-7931-gfd331f1
muireg.c File Reference
#include "desk.h"
Include dependency graph for muireg.c:

Go to the source code of this file.

Functions

static int load_string (HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
 
LONG RegLoadMUIStringW (IN HKEY hKey, IN LPCWSTR pszValue OPTIONAL, OUT LPWSTR pszOutBuf, IN DWORD cbOutBuf, OUT LPDWORD pcbData OPTIONAL, IN DWORD Flags, IN LPCWSTR pszDirectory OPTIONAL)
 

Function Documentation

◆ load_string()

static int load_string ( HINSTANCE  hModule,
UINT  resId,
LPWSTR  pwszBuffer,
INT  cMaxChars 
)
static

Definition at line 10 of file muireg.c.

11{
13 HRSRC hResource;
15 int idxString;
16
17 /* Negative values have to be inverted. */
18 if (HIWORD(resId) == 0xffff)
19 resId = (UINT)(-((INT)resId));
20
21 /* Load the resource into memory and get a pointer to it. */
22 hResource = FindResourceW(hModule, MAKEINTRESOURCEW(LOWORD(resId >> 4) + 1), (LPWSTR)RT_STRING);
23 if (!hResource) return 0;
24 hMemory = LoadResource(hModule, hResource);
25 if (!hMemory) return 0;
27
28 /* Strings are length-prefixed. Lowest nibble of resId is an index. */
29 idxString = resId & 0xf;
30 while (idxString--) pString += *pString + 1;
31
32 /* If no buffer is given, return length of the string. */
33 if (!pwszBuffer) return *pString;
34
35 /* Else copy over the string, respecting the buffer size. */
36 cMaxChars = (*pString < cMaxChars) ? *pString : (cMaxChars - 1);
37 if (cMaxChars >= 0)
38 {
39 memcpy(pwszBuffer, pString+1, cMaxChars * sizeof(WCHAR));
40 pwszBuffer[cMaxChars] = L'\0';
41 }
42
43 return cMaxChars;
44}
HMODULE hModule
Definition: animate.c:44
HRSRC WINAPI FindResourceW(HINSTANCE hModule, LPCWSTR name, LPCWSTR type)
Definition: res.c:176
LPVOID WINAPI LockResource(HGLOBAL handle)
Definition: res.c:550
HGLOBAL WINAPI LoadResource(HINSTANCE hModule, HRSRC hRsrc)
Definition: res.c:532
FxString * pString
WDFMEMORY hMemory
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
unsigned int UINT
Definition: ndis.h:50
#define L(x)
Definition: ntvdm.h:50
#define LOWORD(l)
Definition: pedump.c:82
#define RT_STRING
Definition: pedump.c:368
int32_t INT
Definition: typedefs.h:58
#define HIWORD(l)
Definition: typedefs.h:247
#define MAKEINTRESOURCEW(i)
Definition: winuser.h:582
__wchar_t WCHAR
Definition: xmlstorage.h:180
WCHAR * LPWSTR
Definition: xmlstorage.h:184

Referenced by add_lv_column(), BtrfsDeviceAdd::AddDevice(), BtrfsBalance::BalanceOptsDlgProc(), create_snapshot(), BtrfsVolPropSheet::DeviceDlgProc(), BtrfsDeviceResize::do_resize(), BtrfsVolPropSheet::FormatUsage(), BtrfsPropSheet::init_propsheet(), BtrfsContextMenu::InvokeCommand(), BtrfsDeviceAdd::populate_device_tree(), BtrfsContextMenu::QueryContextMenu(), BtrfsRecv::recv_thread(), BtrfsRecv::RecvProgressDlgProc(), BtrfsBalance::RefreshBalanceDlg(), BtrfsVolPropSheet::RefreshDevList(), BtrfsScrub::RefreshScrubDlg(), RegLoadMUIStringW(), ShowPropSheetW(), BtrfsSend::StartSend(), BtrfsSend::Thread(), and BtrfsScrub::UpdateTextBox().

◆ RegLoadMUIStringW()

LONG RegLoadMUIStringW ( IN HKEY  hKey,
IN LPCWSTR pszValue  OPTIONAL,
OUT LPWSTR  pszOutBuf,
IN DWORD  cbOutBuf,
OUT LPDWORD pcbData  OPTIONAL,
IN DWORD  Flags,
IN LPCWSTR pszDirectory  OPTIONAL 
)

Definition at line 53 of file muireg.c.

60{
61 DWORD dwValueType, cbData;
62 LPWSTR pwszTempBuffer = NULL, pwszExpandedBuffer = NULL;
64
65 /* Parameter sanity checks. */
66 if (!hKey || !pszOutBuf)
68
69 if (pszDirectory && *pszDirectory)
70 {
71 //FIXME("BaseDir parameter not yet supported!\n");
73 }
74
75 /* Check for value existence and correctness of it's type, allocate a buffer and load it. */
76 result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, NULL, &cbData);
77 if (result != ERROR_SUCCESS) goto cleanup;
78 if (!(dwValueType == REG_SZ || dwValueType == REG_EXPAND_SZ) || !cbData)
79 {
81 goto cleanup;
82 }
83 pwszTempBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
84 if (!pwszTempBuffer)
85 {
87 goto cleanup;
88 }
89 result = RegQueryValueExW(hKey, pszValue, NULL, &dwValueType, (LPBYTE)pwszTempBuffer, &cbData);
90 if (result != ERROR_SUCCESS) goto cleanup;
91
92 /* Expand environment variables, if appropriate, or copy the original string over. */
93 if (dwValueType == REG_EXPAND_SZ)
94 {
95 cbData = ExpandEnvironmentStringsW(pwszTempBuffer, NULL, 0) * sizeof(WCHAR);
96 if (!cbData) goto cleanup;
97 pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
98 if (!pwszExpandedBuffer)
99 {
101 goto cleanup;
102 }
103 ExpandEnvironmentStringsW(pwszTempBuffer, pwszExpandedBuffer, cbData);
104 }
105 else
106 {
107 pwszExpandedBuffer = HeapAlloc(GetProcessHeap(), 0, cbData);
108 memcpy(pwszExpandedBuffer, pwszTempBuffer, cbData);
109 }
110
111 /* If the value references a resource based string, parse the value and load the string.
112 * Else just copy over the original value. */
114 if (*pwszExpandedBuffer != L'@') /* '@' is the prefix for resource based string entries. */
115 {
116 lstrcpynW(pszOutBuf, pwszExpandedBuffer, cbOutBuf / sizeof(WCHAR));
117 }
118 else
119 {
120 WCHAR *pComma = wcsrchr(pwszExpandedBuffer, L',');
121 UINT uiStringId;
123
124 /* Format of the expanded value is 'path_to_dll,-resId' */
125 if (!pComma || pComma[1] != L'-')
126 {
128 goto cleanup;
129 }
130
131 uiStringId = _wtoi(pComma+2);
132 *pComma = L'\0';
133
134 hModule = LoadLibraryExW(pwszExpandedBuffer + 1, NULL, LOAD_LIBRARY_AS_DATAFILE);
135 if (!hModule || !load_string(hModule, uiStringId, pszOutBuf, cbOutBuf / sizeof(WCHAR)))
138 }
139
140cleanup:
141 HeapFree(GetProcessHeap(), 0, pwszTempBuffer);
142 HeapFree(GetProcessHeap(), 0, pwszExpandedBuffer);
143 return result;
144}
#define ERROR_NOT_ENOUGH_MEMORY
Definition: dderror.h:7
#define ERROR_SUCCESS
Definition: deptool.c:10
#define NULL
Definition: types.h:112
LONG WINAPI RegQueryValueExW(_In_ HKEY hkeyorg, _In_ LPCWSTR name, _In_ LPDWORD reserved, _In_ LPDWORD type, _In_ LPBYTE data, _In_ LPDWORD count)
Definition: reg.c:4103
#define GetProcessHeap()
Definition: compat.h:736
#define ERROR_INVALID_PARAMETER
Definition: compat.h:101
#define wcsrchr
Definition: compat.h:16
#define HeapAlloc
Definition: compat.h:733
#define FreeLibrary(x)
Definition: compat.h:748
#define HeapFree(x, y, z)
Definition: compat.h:735
#define lstrcpynW
Definition: compat.h:738
static void cleanup(void)
Definition: main.c:1335
DWORD WINAPI ExpandEnvironmentStringsW(IN LPCWSTR lpSrc, IN LPWSTR lpDst, IN DWORD nSize)
Definition: environ.c:519
HINSTANCE WINAPI DECLSPEC_HOTPATCH LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
Definition: loader.c:288
unsigned long DWORD
Definition: ntddk_ex.h:95
FxAutoRegKey hKey
GLuint64EXT * result
Definition: glext.h:11304
_Check_return_ _CRTIMP int __cdecl _wtoi(_In_z_ const wchar_t *_Str)
#define REG_SZ
Definition: layer.c:22
#define ERROR_FILE_NOT_FOUND
Definition: disk.h:79
static int load_string(HINSTANCE hModule, UINT resId, LPWSTR pwszBuffer, INT cMaxChars)
Definition: muireg.c:10
#define REG_EXPAND_SZ
Definition: nt_native.h:1494
long LONG
Definition: pedump.c:60
unsigned char * LPBYTE
Definition: typedefs.h:53
#define LOAD_LIBRARY_AS_DATAFILE
Definition: winbase.h:342
#define ERROR_BADKEY
Definition: winerror.h:589