winspool: More error checks for XcvDataW.

b86a7644 · Detlef Riekenberg · Alexandre Julliard · 619621d9 · b86a7644
Commit b86a7644 authored Jan 15, 2007 by Detlef Riekenberg Committed by Alexandre Julliard Jan 16, 2007
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info.c dlls/winspool.drv/info.c +12 -0

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--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -6684,6 +6684,18 @@ BOOL WINAPI XcvDataW( HANDLE hXcv, LPCWSTR pszDataName, PBYTE pInputData,
        return FALSE;
    }

+    if (!pcbOutputNeeded) {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+    }
+
+    if (!pszDataName || !pdwStatus || (!pOutputData && (cbOutputData > 0))) {
+        SetLastError(RPC_X_NULL_REF_POINTER);
+        return FALSE;
+    }
+
+    *pcbOutputNeeded = 0;
+
    *pdwStatus = printer->pm->monitor->pfnXcvDataPort(printer->hXcv, pszDataName,
            pInputData, cbInputData, pOutputData, cbOutputData, pcbOutputNeeded);