ci: up

waitingsong · Jun 27, 2024 · e731771 · e731771
1 parent b5afdc0
commit e731771
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/packages/win32-api/src/util/winspool/GetPrinter.ts b/packages/win32-api/src/util/winspool/GetPrinter.ts
@@ -13,7 +13,7 @@ const funcName: keyof LibWinspool = 'GetPrinterW'
 /**
  * @link https://learn.microsoft.com/zh-cn/windows/win32/printdocs/getprinter
  */
-export async function GetPrinter<Level extends PRINTER_INFO_LEVEL>(options: GetPrinterOptions<Level>): Promise<PRINTER_INFO_X_Type<Level>> {
+export async function GetPrinter<Level extends PRINTER_INFO_LEVEL>(options: GetPrinterOptions<Level>): Promise<PRINTER_INFO_X_Type<Level> | null> {
   const { hPrinter, Level, maxLength = 1024 } = options
 
   const lib = load([funcName])
@@ -31,7 +31,10 @@ export async function GetPrinter<Level extends PRINTER_INFO_LEVEL>(options: GetP
   )
   const pcb = pcbNeeded.readUInt32LE()
   if (! ret) {
-    throw new Error(`maxLength is too small, increase to value grater than ${pcb}`)
+    if (pcb > maxLength) {
+      throw new Error(`maxLength is too small, increase to value grater than ${pcb}`)
+    }
+    return null
   }
 
   return pPrinter