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-rw-r--r--fpdfsdk/src/fpdf_dataavail.cpp22
1 files changed, 11 insertions, 11 deletions
diff --git a/fpdfsdk/src/fpdf_dataavail.cpp b/fpdfsdk/src/fpdf_dataavail.cpp
index 4d96a7ca26..b8eca30315 100644
--- a/fpdfsdk/src/fpdf_dataavail.cpp
+++ b/fpdfsdk/src/fpdf_dataavail.cpp
@@ -90,10 +90,10 @@ DLLEXPORT void STDCALL FPDFAvail_Destroy(FPDF_AVAIL avail) {
delete (CFPDF_DataAvail*)avail;
}
-DLLEXPORT int STDCALL FPDFAvail_IsDocAvail(FPDF_AVAIL avail,
- FX_DOWNLOADHINTS* hints) {
- if (avail == NULL || hints == NULL)
- return 0;
+DLLEXPORT int STDCALL
+FPDFAvail_IsDocAvail(FPDF_AVAIL avail, FX_DOWNLOADHINTS* hints) {
+ if (!avail || !hints)
+ return PDF_DATA_ERROR;
CFPDF_DownloadHintsWrap hints_wrap(hints);
return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsDocAvail(&hints_wrap);
}
@@ -125,8 +125,8 @@ DLLEXPORT int STDCALL FPDFAvail_GetFirstPageNum(FPDF_DOCUMENT doc) {
DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
int page_index,
FX_DOWNLOADHINTS* hints) {
- if (avail == NULL || hints == NULL)
- return 0;
+ if (!avail || !hints)
+ return PDF_DATA_ERROR;
CFPDF_DownloadHintsWrap hints_wrap(hints);
return ((CFPDF_DataAvail*)avail)
->m_pDataAvail->IsPageAvail(page_index, &hints_wrap);
@@ -134,14 +134,14 @@ DLLEXPORT int STDCALL FPDFAvail_IsPageAvail(FPDF_AVAIL avail,
DLLEXPORT int STDCALL FPDFAvail_IsFormAvail(FPDF_AVAIL avail,
FX_DOWNLOADHINTS* hints) {
- if (avail == NULL || hints == NULL)
- return -1;
+ if (!avail || !hints)
+ return PDF_FORM_ERROR;
CFPDF_DownloadHintsWrap hints_wrap(hints);
return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsFormAvail(&hints_wrap);
}
-DLLEXPORT FPDF_BOOL STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) {
- if (avail == NULL)
- return -1;
+DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) {
+ if (!avail)
+ return PDF_LINEARIZATION_UNKNOWN;
return ((CFPDF_DataAvail*)avail)->m_pDataAvail->IsLinearizedPDF();
}