Index: fpdfsdk/src/fpdf_dataavail.cpp |
diff --git a/fpdfsdk/src/fpdf_dataavail.cpp b/fpdfsdk/src/fpdf_dataavail.cpp |
index 53437234760f31b9fd9b0721a3565cf11bdf825f..3944f67b03aa1ba54060576f398cc9cba9098710 100644 |
--- a/fpdfsdk/src/fpdf_dataavail.cpp |
+++ b/fpdfsdk/src/fpdf_dataavail.cpp |
@@ -115,9 +115,9 @@ FPDFAvail_GetDocument(FPDF_AVAIL avail, FPDF_BYTESTRING password) { |
} |
DLLEXPORT int STDCALL FPDFAvail_GetFirstPageNum(FPDF_DOCUMENT doc) { |
- if (doc == NULL) |
+ CPDF_Document* pDoc = CPDF_Document::FromFPDFDocument(doc); |
+ if (!doc) |
return 0; |
- CPDF_Document* pDoc = (CPDF_Document*)doc; |
return ((CPDF_Parser*)pDoc->GetParser())->GetFirstPageNo(); |
} |