From e0cb687c71d555b55cc30ec59c9b338a0e83f77f Mon Sep 17 00:00:00 2001
From: thestig <thestig@chromium.org>
Date: Thu, 1 Sep 2016 13:41:10 -0700
Subject: Use unsigned page indexes in CPDF_HintTables.

Fix up callers from CPDF_DataAvail.

Review-Url: https://codereview.chromium.org/2294383003
---
 fpdfsdk/fpdf_dataavail.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fpdfsdk')

diff --git a/fpdfsdk/fpdf_dataavail.cpp b/fpdfsdk/fpdf_dataavail.cpp
index 7b9ba32fb0..1a83fdf64b 100644
--- a/fpdfsdk/fpdf_dataavail.cpp
+++ b/fpdfsdk/fpdf_dataavail.cpp
@@ -162,6 +162,8 @@ DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
                                             FX_DOWNLOADHINTS* hints) {
   if (!avail || !hints)
     return PDF_DATA_ERROR;
+  if (page_index < 0)
+    return PDF_DATA_NOTAVAIL;
   CFPDF_DownloadHintsWrap hints_wrap(hints);
   return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsPageAvail(
       page_index, &hints_wrap);
-- 
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