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feat(advapi32): finish RegSetKeyValue() and RegSetValueEx()

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This commit is contained in:
Stephan Schreiber
2025-08-13 04:15:54 +02:00
parent 04e1b9a6b5
commit b1b9dfa166
1 changed files with 90 additions and 8 deletions
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source/win32/advapi32/reg.ts
+90 -8
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@@ -10,12 +10,14 @@ import {
cFILETIME, type FILETIME
} from '../structs.js'
import {
ERROR_,
REG_, type REG_OPTION_,
type HKEY_, type KEY_, type RRF_,
type ERROR_ as LSTATUS
type HKEY_, type KEY_, type RRF_
} from '../consts.js'
import { advapi32 } from './lib.js'
type LSTATUS = ERROR_
/**
* Closes a handle to the specified registry key.
*
@@ -227,13 +229,18 @@ export function RegGetValue(hKey: HKEY | HKEY_, subKey: string | null, value: st
break
case REG_.DWORD_BIG_ENDIAN:
value = new DataView(binaryBuffer.buffer, binaryBuffer.byteOffset, Uint32Array.BYTES_PER_ELEMENT).getUint32(0, false)
value = new DataView(binaryBuffer.buffer, binaryBuffer.byteOffset, Uint32Array.BYTES_PER_ELEMENT)
value = value.getUint32(0, false)
break
case REG_.QWORD:
value = new BigUint64Array(binaryBuffer.buffer, binaryBuffer.byteOffset, 1)
value = value[0]
break
default:
value = null
break
}
return { type, value }
@@ -345,21 +352,96 @@ export function RegSaveKeyEx(hKey: HKEY | HKEY_, file: string, securityAttribute
/**
* Sets the data for the specified value in the specified registry key and subkey.
*
* Note: in libwin32, only `REG_NONE`, `REG_SZ`, `REG_EXPAND_SZ`, `REG_BINARY`, `REG_DWORD`,
* `REG_DWORD_BIG_ENDIAN`, `REG_MULTI_SZ` and `REG_QWORD` are supported.
* All other types return `ERROR_UNSUPPORTED`.
* If the `data` parameter if not of the expected type, `ERROR_BAD_ARGUMENTS` is returned.
*
* https://learn.microsoft.com/en-us/windows/win32/api/winreg/nf-winreg-regsetkeyvaluew
*/
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_, data: any, cbData: number): LSTATUS {
RegSetKeyValue.native ??= advapi32.func('RegSetKeyValueW', cLSTATUS, [ cHANDLE, cSTR, cSTR, cDWORD, cVOID, cDWORD ])
return RegSetKeyValue.native(hKey, subKey, valueName, type, data, cbData)
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.NONE, data?: null): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.SZ, data: string): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.EXPAND_SZ, data: string): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.BINARY, data: BufferSource): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.DWORD, data: number): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.DWORD_BIG_ENDIAN, data: number): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.MULTI_SZ, data: string[]): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_.QWORD, data: number | bigint): LSTATUS
export function RegSetKeyValue(hKey: HKEY | HKEY_, subKey: string | null, valueName: string | null, type: REG_, data: any): LSTATUS {
RegSetKeyValue.native ??= advapi32.func('RegSetKeyValueW', cLSTATUS, [ cHANDLE, cSTR, cSTR, cDWORD, cPVOID, cDWORD ])
const buffer = regKeyDataToBuffer(type, data)
if (typeof buffer === 'number')
return buffer
return RegSetKeyValue.native(hKey, subKey, valueName, type, buffer, buffer.byteLength)
}
/**
* Sets the data and type of a specified value under a registry key.
*
* Note: in libwin32, only `REG_NONE`, `REG_SZ`, `REG_EXPAND_SZ`, `REG_BINARY`, `REG_DWORD`,
* `REG_DWORD_BIG_ENDIAN`, `REG_MULTI_SZ` and `REG_QWORD` are supported.
* All other types return `ERROR_UNSUPPORTED`.
* If the `data` parameter if not of the expected type, `ERROR_BAD_ARGUMENTS` is returned.
*
* https://learn.microsoft.com/en-us/windows/win32/api/winreg/nf-winreg-regsetvalueexw
*/
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_, data: any, cbData: number): LSTATUS {
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.NONE, data?: null): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.SZ, data: string): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.EXPAND_SZ, data: string): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.BINARY, data: BufferSource): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.DWORD, data: number): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.DWORD_BIG_ENDIAN, data: number): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.MULTI_SZ, data: string[]): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_.QWORD, data: number | bigint): LSTATUS
export function RegSetValueEx(hKey: HKEY | HKEY_, valueName: string | null, type: REG_, data: any): LSTATUS {
RegSetValueEx.native ??= advapi32.func('RegSetValueExW', cLSTATUS, [ cHANDLE, cSTR, cDWORD, cDWORD, cPVOID, cDWORD ])
return RegSetValueEx.native(hKey, valueName, 0, type, data, cbData)
const buffer = regKeyDataToBuffer(type, data)
if (typeof buffer === 'number')
return buffer
return RegSetValueEx.native(hKey, valueName, 0, type, buffer, buffer.byteLength)
}
/** Anything that has a `buffer: ArrayBuffer` property: `Buffer`, `TypedArrays`, `DataView`. */
type BufferSource = { buffer: ArrayBuffer, byteLength: number }
function regKeyDataToBuffer(type: REG_, data: any): ArrayBuffer | ERROR_ {
switch (type) {
case REG_.NONE:
return new Uint8Array().buffer
case REG_.SZ:
case REG_.EXPAND_SZ:
return typeof data === 'string'
? Uint16Array.from(data + '\0', c => c.charCodeAt(0)).buffer
: ERROR_.BAD_ARGUMENTS
case REG_.BINARY:
return data && typeof data === 'object' && data.buffer instanceof ArrayBuffer
? data.buffer
: ERROR_.BAD_ARGUMENTS
case REG_.MULTI_SZ:
return Array.isArray(data)
? Uint16Array.from(data.join('\0') + '\0\0', c => c.charCodeAt(0)).buffer
: ERROR_.BAD_ARGUMENTS
case REG_.DWORD:
case REG_.DWORD_BIG_ENDIAN:
return typeof data === 'number'
? new Uint32Array([data]).buffer
: ERROR_.BAD_ARGUMENTS
case REG_.QWORD:
return typeof data === 'number' || typeof data === 'bigint'
? new BigUint64Array([BigInt(data)]).buffer
: ERROR_.BAD_ARGUMENTS
default:
return ERROR_.NOT_SUPPORTED
}
}
/**