ReactOS 0.4.15-dev-8339-g4028de8
regqueryvalue.c
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1#include <stdio.h>
2#include <string.h>
3#include <stdlib.h>
4#include <wchar.h>
5#include <windows.h>
6
7int main( int argc, char **argv ) {
8 ULONG ResultSize;
9 PWCHAR WcharResult;
10 WCHAR ValueNameWC[100];
11 PCHAR CharResult;
12 HKEY RegKey;
13 int i;
14
15 if( argc < 2 ) {
16 printf( "Usage: regqueryvalue [key] [value]\n" );
17 printf( "Returns an HKEY_LOCAL_MACHINE value from the given key.\n" );
18 return 1;
19 }
20
21 if ( RegOpenKeyExA( HKEY_LOCAL_MACHINE, argv[1], 0, KEY_READ, &RegKey )
22 != 0 ) {
23 printf( "Could not open key %s\n", argv[1] );
24 return 2;
25 }
26
27 for( i = 0; argv[2][i]; i++ ) ValueNameWC[i] = argv[2][i];
28 ValueNameWC[i] = 0;
29
30 if(RegQueryValueExW( RegKey, ValueNameWC, NULL, NULL, NULL, &ResultSize )
31 != 0) {
32 printf( "The value %S does not exist.\n", ValueNameWC );
33 return 5;
34 }
35
36 WcharResult = malloc( (ResultSize + 1) * sizeof(WCHAR) );
37
38 if( !WcharResult ) {
39 printf( "Could not alloc %d wchars\n", (int)(ResultSize + 1) );
40 return 6;
41 }
42
43 RegQueryValueExW( RegKey, ValueNameWC, NULL, NULL, (LPBYTE)WcharResult,
44 &ResultSize );
45
46 printf( "wchar Value: %S\n", WcharResult );
47 fflush( stdout );
48
49 RegQueryValueExA( RegKey, argv[2], NULL, NULL, NULL, &ResultSize );
50
51 CharResult = malloc( ResultSize + 1 );
52
53 if( !CharResult ) {
54 printf( "Could not alloc %d chars\n", (int)(ResultSize + 1) );
55 return 7;
56 }
57
58 RegQueryValueExA( RegKey, argv[2], NULL, NULL, (PBYTE)CharResult, &ResultSize );
59
60 printf( " char Value: %s\n", CharResult );
61 fflush( stdout );
62
63 free( WcharResult );
64 free( CharResult );
65
66 return 0;
67}
static int argc
Definition: ServiceArgs.c:12
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
LONG WINAPI RegOpenKeyExA(_In_ HKEY hKey, _In_ LPCSTR lpSubKey, _In_ DWORD ulOptions, _In_ REGSAM samDesired, _Out_ PHKEY phkResult)
Definition: reg.c:3298
LONG WINAPI RegQueryValueExA(_In_ HKEY hkeyorg, _In_ LPCSTR name, _In_ LPDWORD reserved, _Out_opt_ LPDWORD type, _Out_opt_ LPBYTE data, _Inout_opt_ LPDWORD count)
Definition: reg.c:4009
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
int main()
Definition: test.c:6
#define printf
Definition: freeldr.h:97
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
#define stdout
Definition: stdio.h:99
_Check_return_opt_ _CRTIMP int __cdecl fflush(_Inout_opt_ FILE *_File)
#define argv
Definition: mplay32.c:18
#define KEY_READ
Definition: nt_native.h:1023
BYTE * PBYTE
Definition: pedump.c:66
unsigned char * LPBYTE
Definition: typedefs.h:53
uint16_t * PWCHAR
Definition: typedefs.h:56
uint32_t ULONG
Definition: typedefs.h:59
char * PCHAR
Definition: typedefs.h:51
#define HKEY_LOCAL_MACHINE
Definition: winreg.h:12
__wchar_t WCHAR
Definition: xmlstorage.h:180