text: // Copyright 2015 PDFium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // This "C" (not "C++") file ensures that the public headers compile
  // and link for "C" (and not just "C++").
  
  #include <stdio.h>
  
  #include "fpdfsdk/fpdf_view_c_api_test.h"
  
  #include "public/fpdf_annot.h"
  #include "public/fpdf_attachment.h"
  #include "public/fpdf_catalog.h"
  #include "public/fpdf_dataavail.h"
  #include "public/fpdf_doc.h"
  #include "public/fpdf_edit.h"
  #include "public/fpdf_ext.h"
  #include "public/fpdf_flatten.h"
  #include "public/fpdf_formfill.h"
  #include "public/fpdf_fwlevent.h"
  #include "public/fpdf_javascript.h"
  #include "public/fpdf_ppo.h"
  #include "public/fpdf_progressive.h"
  #include "public/fpdf_save.h"
  #include "public/fpdf_searchex.h"
  #include "public/fpdf_signature.h"
  #include "public/fpdf_structtree.h"
  #include "public/fpdf_sysfontinfo.h"
  #include "public/fpdf_text.h"
  #include "public/fpdf_thumbnail.h"
  #include "public/fpdf_transformpage.h"
  #include "public/fpdfview.h"
  
  // Scheme for avoiding LTO out of existence, warnings, etc.
  typedef void (*fnptr)(void);  // Legal generic function type for casts.
  fnptr g_c_api_test_fnptr = NULL;  // Extern, so can't know it doesn't change.
  #define CHK(x) if ((fnptr)(x) == g_c_api_test_fnptr) return 0
  
  // Function to call from gtest harness to ensure linker resolution.
  int CheckPDFiumCApi() {
      // fpdf_annot.h
      CHK(FPDFAnnot_AddInkStroke);
      CHK(FPDFAnnot_AppendAttachmentPoints);
      CHK(FPDFAnnot_AppendObject);
      CHK(FPDFAnnot_CountAttachmentPoints);
      CHK(FPDFAnnot_GetAP);
      CHK(FPDFAnnot_GetAttachmentPoints);
      CHK(FPDFAnnot_GetBorder);
      CHK(FPDFAnnot_GetColor);
      CHK(FPDFAnnot_GetFlags);
      CHK(FPDFAnnot_GetFocusableSubtypes);
      CHK(FPDFAnnot_GetFocusableSubtypesCount);
      CHK(FPDFAnnot_GetFontSize);
      CHK(FPDFAnnot_GetFormControlCount);
      CHK(FPDFAnnot_GetFormControlIndex);
      CHK(FPDFAnnot_GetFormFieldAtPoint);
      CHK(FPDFAnnot_GetFormFieldExportValue);
      CHK(FPDFAnnot_GetFormFieldFlags);
      CHK(FPDFAnnot_GetFormFieldName);
      CHK(FPDFAnnot_GetFormFieldType);
      CHK(FPDFAnnot_GetFormFieldValue);
      CHK(FPDFAnnot_GetInkListCount);
      CHK(FPDFAnnot_GetInkListPath);
      CHK(FPDFAnnot_GetLine);
      CHK(FPDFAnnot_GetLink);
      CHK(FPDFAnnot_GetLinkedAnnot);
      CHK(FPDFAnnot_GetNumberValue);
      CHK(FPDFAnnot_GetObject);
      CHK(FPDFAnnot_GetObjectCount);
      CHK(FPDFAnnot_GetOptionCount);
      CHK(FPDFAnnot_GetOptionLabel);
      CHK(FPDFAnnot_GetRect);
      CHK(FPDFAnnot_GetStringValue);
      CHK(FPDFAnnot_GetSubtype);
      CHK(FPDFAnnot_GetValueType);
      CHK(FPDFAnnot_GetVertices);
      CHK(FPDFAnnot_HasAttachmentPoints);
      CHK(FPDFAnnot_HasKey);
      CHK(FPDFAnnot_IsChecked);
      CHK(FPDFAnnot_IsObjectSupportedSubtype);
      CHK(FPDFAnnot_IsOptionSelected);
      CHK(FPDFAnnot_IsSupportedSubtype);
      CHK(FPDFAnnot_RemoveInkList);
      CHK(FPDFAnnot_RemoveObject);
      CHK(FPDFAnnot_SetAP);
      CHK(FPDFAnnot_SetAttachmentPoints);
      CHK(FPDFAnnot_SetBorder);
      CHK(FPDFAnnot_SetColor);
      CHK(FPDFAnnot_SetFlags);
      CHK(FPDFAnnot_SetFocusableSubtypes);
      CHK(FPDFAnnot_SetRect);
      CHK(FPDFAnnot_SetStringValue);
      CHK(FPDFAnnot_SetURI);
      CHK(FPDFAnnot_UpdateObject);
      CHK(FPDFPage_CloseAnnot);
      CHK(FPDFPage_CreateAnnot);
      CHK(FPDFPage_GetAnnot);
      CHK(FPDFPage_GetAnnotCount);
      CHK(FPDFPage_GetAnnotIndex);
      CHK(FPDFPage_RemoveAnnot);
  
      // fpdf_attachment.h
      CHK(FPDFAttachment_GetFile);
      CHK(FPDFAttachment_GetName);
      CHK(FPDFAttachment_GetStringValue);
      CHK(FPDFAttachment_GetValueType);
      CHK(FPDFAttachment_HasKey);
      CHK(FPDFAttachment_SetFile);
      CHK(FPDFAttachment_SetStringValue);
      CHK(FPDFDoc_AddAttachment);
      CHK(FPDFDoc_DeleteAttachment);
      CHK(FPDFDoc_GetAttachment);
      CHK(FPDFDoc_GetAttachmentCount);
  
      // fpdf_catalog.h
      CHK(FPDFCatalog_IsTagged);
  
      // fpdf_dataavail.h
      CHK(FPDFAvail_Create);
      CHK(FPDFAvail_Destroy);
      CHK(FPDFAvail_GetDocument);
      CHK(FPDFAvail_GetFirstPageNum);
      CHK(FPDFAvail_IsDocAvail);
      CHK(FPDFAvail_IsFormAvail);
      CHK(FPDFAvail_IsLinearized);
      CHK(FPDFAvail_IsPageAvail);
  
      // fpdf_doc.h
      CHK(FPDFAction_GetDest);
      CHK(FPDFAction_GetFilePath);
      CHK(FPDFAction_GetType);
      CHK(FPDFAction_GetURIPath);
      CHK(FPDFBookmark_Find);
      CHK(FPDFBookmark_GetAction);
      CHK(FPDFBookmark_GetDest);
      CHK(FPDFBookmark_GetFirstChild);
      CHK(FPDFBookmark_GetNextSibling);
      CHK(FPDFBookmark_GetTitle);
      CHK(FPDFDest_GetDestPageIndex);
      CHK(FPDFDest_GetLocationInPage);
      CHK(FPDFDest_GetView);
      CHK(FPDFLink_CountQuadPoints);
      CHK(FPDFLink_Enumerate);
      CHK(FPDFLink_GetAction);
      CHK(FPDFLink_GetAnnot);
      CHK(FPDFLink_GetAnnotRect);
      CHK(FPDFLink_GetDest);
      CHK(FPDFLink_GetLinkAtPoint);
      CHK(FPDFLink_GetLinkZOrderAtPoint);
      CHK(FPDFLink_GetQuadPoints);
      CHK(FPDF_GetFileIdentifier);
      CHK(FPDF_GetMetaText);
      CHK(FPDF_GetPageAAction);
      CHK(FPDF_GetPageLabel);
  
      // fpdf_edit.h
      CHK(FPDFFont_Close);
      CHK(FPDFFont_GetAscent);
      CHK(FPDFFont_GetDescent);
      CHK(FPDFFont_GetFlags);
      CHK(FPDFFont_GetFontName);
      CHK(FPDFFont_GetGlyphPath);
      CHK(FPDFFont_GetGlyphWidth);
      CHK(FPDFFont_GetItalicAngle);
      CHK(FPDFFont_GetWeight);
      CHK(FPDFFormObj_CountObjects);
      CHK(FPDFFormObj_GetObject);
      CHK(FPDFGlyphPath_CountGlyphSegments);
      CHK(FPDFGlyphPath_GetGlyphPathSegment);
      CHK(FPDFImageObj_GetBitmap);
      CHK(FPDFImageObj_GetImageDataDecoded);
      CHK(FPDFImageObj_GetImageDataRaw);
      CHK(FPDFImageObj_GetImageFilter);
      CHK(FPDFImageObj_GetImageFilterCount);
      CHK(FPDFImageObj_GetImageMetadata);
      CHK(FPDFImageObj_GetRenderedBitmap);
      CHK(FPDFImageObj_LoadJpegFile);
      CHK(FPDFImageObj_LoadJpegFileInline);
      CHK(FPDFImageObj_SetBitmap);
      CHK(FPDFImageObj_SetMatrix);
      CHK(FPDFPageObjMark_CountParams);
      CHK(FPDFPageObjMark_GetName);
      CHK(FPDFPageObjMark_GetParamBlobValue);
      CHK(FPDFPageObjMark_GetParamIntValue);
      CHK(FPDFPageObjMark_GetParamKey);
      CHK(FPDFPageObjMark_GetParamStringValue);
      CHK(FPDFPageObjMark_GetParamValueType);
      CHK(FPDFPageObjMark_RemoveParam);
      CHK(FPDFPageObjMark_SetBlobParam);
      CHK(FPDFPageObjMark_SetIntParam);
      CHK(FPDFPageObjMark_SetStringParam);
      CHK(FPDFPageObj_AddMark);
      CHK(FPDFPageObj_CountMarks);
      CHK(FPDFPageObj_CreateNewPath);
      CHK(FPDFPageObj_CreateNewRect);
      CHK(FPDFPageObj_CreateTextObj);
      CHK(FPDFPageObj_Destroy);
      CHK(FPDFPageObj_GetBounds);
      CHK(FPDFPageObj_GetDashArray);
      CHK(FPDFPageObj_GetDashCount);
      CHK(FPDFPageObj_GetDashPhase);
      CHK(FPDFPageObj_GetFillColor);
      CHK(FPDFPageObj_GetLineCap);
      CHK(FPDFPageObj_GetLineJoin);
      CHK(FPDFPageObj_GetMark);
      CHK(FPDFPageObj_GetMatrix);
      CHK(FPDFPageObj_GetStrokeColor);
      CHK(FPDFPageObj_GetStrokeWidth);
      CHK(FPDFPageObj_GetType);
      CHK(FPDFPageObj_HasTransparency);
      CHK(FPDFPageObj_NewImageObj);
      CHK(FPDFPageObj_NewTextObj);
      CHK(FPDFPageObj_RemoveMark);
      CHK(FPDFPageObj_SetBlendMode);
      CHK(FPDFPageObj_SetDashArray);
      CHK(FPDFPageObj_SetDashPhase);
      CHK(FPDFPageObj_SetFillColor);
      CHK(FPDFPageObj_SetLineCap);
      CHK(FPDFPageObj_SetLineJoin);
      CHK(FPDFPageObj_SetMatrix);
      CHK(FPDFPageObj_SetStrokeColor);
      CHK(FPDFPageObj_SetStrokeWidth);
      CHK(FPDFPageObj_Transform);
      CHK(FPDFPage_CountObjects);
      CHK(FPDFPage_Delete);
      CHK(FPDFPage_GenerateContent);
      CHK(FPDFPage_GetObject);
      CHK(FPDFPage_GetRotation);
      CHK(FPDFPage_HasTransparency);
      CHK(FPDFPage_InsertObject);
      CHK(FPDFPage_New);
      CHK(FPDFPage_RemoveObject);
      CHK(FPDFPage_SetRotation);
      CHK(FPDFPage_TransformAnnots);
      CHK(FPDFPathSegment_GetClose);
      CHK(FPDFPathSegment_GetPoint);
      CHK(FPDFPathSegment_GetType);
      CHK(FPDFPath_BezierTo);
      CHK(FPDFPath_Close);
      CHK(FPDFPath_CountSegments);
      CHK(FPDFPath_GetDrawMode);
      CHK(FPDFPath_GetPathSegment);
      CHK(FPDFPath_LineTo);
      CHK(FPDFPath_MoveTo);
      CHK(FPDFPath_SetDrawMode);
      CHK(FPDFTextObj_GetFont);
      CHK(FPDFTextObj_GetFontSize);
      CHK(FPDFTextObj_GetText);
      CHK(FPDFTextObj_GetTextRenderMode);
      CHK(FPDFTextObj_SetTextRenderMode);
      CHK(FPDFText_LoadFont);
      CHK(FPDFText_LoadStandardFont);
      CHK(FPDFText_SetCharcodes);
      CHK(FPDFText_SetText);
      CHK(FPDF_CreateNewDocument);
  
      // fpdf_ext.h
      CHK(FPDFDoc_GetPageMode);
      CHK(FSDK_SetLocaltimeFunction);
      CHK(FSDK_SetTimeFunction);
      CHK(FSDK_SetUnSpObjProcessHandler);
  
      // fpdf_flatten.h
      CHK(FPDFPage_Flatten);
  
      // fpdf_fwlevent.h - no exports.
  
      // fpdf_formfill.h
      CHK(FORM_CanRedo);
      CHK(FORM_CanUndo);
      CHK(FORM_DoDocumentAAction);
      CHK(FORM_DoDocumentJSAction);
      CHK(FORM_DoDocumentOpenAction);
      CHK(FORM_DoPageAAction);
      CHK(FORM_ForceToKillFocus);
      CHK(FORM_GetFocusedAnnot);
      CHK(FORM_GetFocusedText);
      CHK(FORM_GetSelectedText);
      CHK(FORM_IsIndexSelected);
      CHK(FORM_OnAfterLoadPage);
      CHK(FORM_OnBeforeClosePage);
      CHK(FORM_OnChar);
      CHK(FORM_OnFocus);
      CHK(FORM_OnKeyDown);
      CHK(FORM_OnKeyUp);
      CHK(FORM_OnLButtonDoubleClick);
      CHK(FORM_OnLButtonDown);
      CHK(FORM_OnLButtonUp);
      CHK(FORM_OnMouseMove);
      CHK(FORM_OnMouseWheel);
      CHK(FORM_OnRButtonDown);
      CHK(FORM_OnRButtonUp);
      CHK(FORM_Redo);
      CHK(FORM_ReplaceSelection);
      CHK(FORM_SelectAllText);
      CHK(FORM_SetFocusedAnnot);
      CHK(FORM_SetIndexSelected);
      CHK(FORM_Undo);
      CHK(FPDFDOC_ExitFormFillEnvironment);
      CHK(FPDFDOC_InitFormFillEnvironment);
      CHK(FPDFPage_FormFieldZOrderAtPoint);
      CHK(FPDFPage_HasFormFieldAtPoint);
      CHK(FPDF_FFLDraw);
  #if defined(_SKIA_SUPPORT_)
      CHK(FPDF_FFLRecord);
  #endif
      CHK(FPDF_GetFormType);
      CHK(FPDF_LoadXFA);
      CHK(FPDF_RemoveFormFieldHighlight);
      CHK(FPDF_SetFormFieldHighlightAlpha);
      CHK(FPDF_SetFormFieldHighlightColor);
  
      // fpdf_javascript.h
      CHK(FPDFDoc_CloseJavaScriptAction);
      CHK(FPDFDoc_GetJavaScriptAction);
      CHK(FPDFDoc_GetJavaScriptActionCount);
      CHK(FPDFJavaScriptAction_GetName);
      CHK(FPDFJavaScriptAction_GetScript);
  
      // fpdf_ppo.h
      CHK(FPDF_CloseXObject);
      CHK(FPDF_CopyViewerPreferences);
      CHK(FPDF_ImportNPagesToOne);
      CHK(FPDF_ImportPages);
      CHK(FPDF_ImportPagesByIndex);
      CHK(FPDF_NewFormObjectFromXObject);
      CHK(FPDF_NewXObjectFromPage);
  
      // fpdf_progressive.h
      CHK(FPDF_RenderPageBitmapWithColorScheme_Start);
      CHK(FPDF_RenderPageBitmap_Start);
      CHK(FPDF_RenderPage_Close);
      CHK(FPDF_RenderPage_Continue);
  
      // fpdf_save.h
      CHK(FPDF_SaveAsCopy);
      CHK(FPDF_SaveWithVersion);
  
      // fpdf_searchex.h
      CHK(FPDFText_GetCharIndexFromTextIndex);
      CHK(FPDFText_GetTextIndexFromCharIndex);
  
      // fpdf_signature.h
      CHK(FPDFSignatureObj_GetByteRange);
      CHK(FPDFSignatureObj_GetContents);
      CHK(FPDFSignatureObj_GetDocMDPPermission);
      CHK(FPDFSignatureObj_GetReason);
      CHK(FPDFSignatureObj_GetSubFilter);
      CHK(FPDFSignatureObj_GetTime);
      CHK(FPDF_GetSignatureCount);
      CHK(FPDF_GetSignatureObject);
  
      // fpdf_structtree.h
      CHK(FPDF_StructElement_CountChildren);
      CHK(FPDF_StructElement_GetAltText);
      CHK(FPDF_StructElement_GetChildAtIndex);
      CHK(FPDF_StructElement_GetID);
      CHK(FPDF_StructElement_GetLang);
      CHK(FPDF_StructElement_GetMarkedContentID);
      CHK(FPDF_StructElement_GetStringAttribute);
      CHK(FPDF_StructElement_GetTitle);
      CHK(FPDF_StructElement_GetType);
      CHK(FPDF_StructTree_Close);
      CHK(FPDF_StructTree_CountChildren);
      CHK(FPDF_StructTree_GetChildAtIndex);
      CHK(FPDF_StructTree_GetForPage);
  
      // fpdf_sysfontinfo.h
      CHK(FPDF_AddInstalledFont);
      CHK(FPDF_FreeDefaultSystemFontInfo);
      CHK(FPDF_GetDefaultSystemFontInfo);
      CHK(FPDF_GetDefaultTTFMap);
      CHK(FPDF_SetSystemFontInfo);
  
      // fpdf_text.h
      CHK(FPDFLink_CloseWebLinks);
      CHK(FPDFLink_CountRects);
      CHK(FPDFLink_CountWebLinks);
      CHK(FPDFLink_GetRect);
      CHK(FPDFLink_GetTextRange);
      CHK(FPDFLink_GetURL);
      CHK(FPDFLink_LoadWebLinks);
      CHK(FPDFText_ClosePage);
      CHK(FPDFText_CountChars);
      CHK(FPDFText_CountRects);
      CHK(FPDFText_FindClose);
      CHK(FPDFText_FindNext);
      CHK(FPDFText_FindPrev);
      CHK(FPDFText_FindStart);
      CHK(FPDFText_GetBoundedText);
      CHK(FPDFText_GetCharAngle);
      CHK(FPDFText_GetCharBox);
      CHK(FPDFText_GetCharIndexAtPos);
      CHK(FPDFText_GetCharOrigin);
      CHK(FPDFText_GetFillColor);
      CHK(FPDFText_GetFontInfo);
      CHK(FPDFText_GetFontSize);
      CHK(FPDFText_GetFontWeight);
      CHK(FPDFText_GetLooseCharBox);
      CHK(FPDFText_GetMatrix);
      CHK(FPDFText_GetRect);
      CHK(FPDFText_GetSchCount);
      CHK(FPDFText_GetSchResultIndex);
      CHK(FPDFText_GetStrokeColor);
      CHK(FPDFText_GetText);
      CHK(FPDFText_GetTextRenderMode);
      CHK(FPDFText_GetUnicode);
      CHK(FPDFText_LoadPage);
  
      // fpdf_thumbnail.h
      CHK(FPDFPage_GetDecodedThumbnailData);
      CHK(FPDFPage_GetRawThumbnailData);
      CHK(FPDFPage_GetThumbnailAsBitmap);
  
      // fpdf_transformpage.h
      CHK(FPDFClipPath_CountPathSegments);
      CHK(FPDFClipPath_CountPaths);
      CHK(FPDFClipPath_GetPathSegment);
      CHK(FPDFPageObj_GetClipPath);
      CHK(FPDFPageObj_TransformClipPath);
      CHK(FPDFPage_GetArtBox);
      CHK(FPDFPage_GetBleedBox);
      CHK(FPDFPage_GetCropBox);
      CHK(FPDFPage_GetMediaBox);
      CHK(FPDFPage_GetTrimBox);
      CHK(FPDFPage_InsertClipPath);
      CHK(FPDFPage_SetArtBox);
      CHK(FPDFPage_SetBleedBox);
      CHK(FPDFPage_SetCropBox);
      CHK(FPDFPage_SetMediaBox);
      CHK(FPDFPage_SetTrimBox);
      CHK(FPDFPage_TransFormWithClip);
      CHK(FPDF_CreateClipPath);
      CHK(FPDF_DestroyClipPath);
  
      // fpdfview.h
      CHK(FPDFBitmap_Create);
      CHK(FPDFBitmap_CreateEx);
      CHK(FPDFBitmap_Destroy);
      CHK(FPDFBitmap_FillRect);
      CHK(FPDFBitmap_GetBuffer);
      CHK(FPDFBitmap_GetFormat);
      CHK(FPDFBitmap_GetHeight);
      CHK(FPDFBitmap_GetStride);
      CHK(FPDFBitmap_GetWidth);
  #ifdef PDF_ENABLE_XFA
      CHK(FPDF_BStr_Clear);
      CHK(FPDF_BStr_Init);
      CHK(FPDF_BStr_Set);
  #endif
      CHK(FPDF_CloseDocument);
      CHK(FPDF_ClosePage);
      CHK(FPDF_CountNamedDests);
      CHK(FPDF_DestroyLibrary);
      CHK(FPDF_DeviceToPage);
      CHK(FPDF_DocumentHasValidCrossReferenceTable);
  #ifdef PDF_ENABLE_V8
      CHK(FPDF_GetArrayBufferAllocatorSharedInstance);
  #endif
      CHK(FPDF_GetDocPermissions);
      CHK(FPDF_GetFileVersion);
      CHK(FPDF_GetLastError);
      CHK(FPDF_GetNamedDest);
      CHK(FPDF_GetNamedDestByName);
      CHK(FPDF_GetPageBoundingBox);
      CHK(FPDF_GetPageCount);
      CHK(FPDF_GetPageHeight);
      CHK(FPDF_GetPageHeightF);
      CHK(FPDF_GetPageSizeByIndex);
      CHK(FPDF_GetPageSizeByIndexF);
      CHK(FPDF_GetPageWidth);
      CHK(FPDF_GetPageWidthF);
  #ifdef PDF_ENABLE_V8
      CHK(FPDF_GetRecommendedV8Flags);
  #endif
      CHK(FPDF_GetSecurityHandlerRevision);
      CHK(FPDF_GetTrailerEnds);
      CHK(FPDF_GetXFAPacketContent);
      CHK(FPDF_GetXFAPacketCount);
      CHK(FPDF_GetXFAPacketName);
      CHK(FPDF_InitLibrary);
      CHK(FPDF_InitLibraryWithConfig);
      CHK(FPDF_LoadCustomDocument);
      CHK(FPDF_LoadDocument);
      CHK(FPDF_LoadMemDocument);
      CHK(FPDF_LoadMemDocument64);
      CHK(FPDF_LoadPage);
      CHK(FPDF_PageToDevice);
  #ifdef _WIN32
      CHK(FPDF_RenderPage);
  #endif
      CHK(FPDF_RenderPageBitmap);
      CHK(FPDF_RenderPageBitmapWithMatrix);
  #if defined(_SKIA_SUPPORT_)
      CHK(FPDF_RenderPageSkp);
  #endif
  #if defined(_WIN32)
      CHK(FPDF_SetPrintMode);
  #if defined(PDFIUM_PRINT_TEXT_WITH_GDI)
      CHK(FPDF_SetPrintTextWithGDI);
  #endif
  #endif
      CHK(FPDF_SetSandBoxPolicy);
  #if defined(_WIN32) && defined(PDFIUM_PRINT_TEXT_WITH_GDI)
      CHK(FPDF_SetTypefaceAccessibleFunc);
  #endif
      CHK(FPDF_VIEWERREF_GetDuplex);
      CHK(FPDF_VIEWERREF_GetName);
      CHK(FPDF_VIEWERREF_GetNumCopies);
      CHK(FPDF_VIEWERREF_GetPrintPageRange);
      CHK(FPDF_VIEWERREF_GetPrintPageRangeCount);
      CHK(FPDF_VIEWERREF_GetPrintPageRangeElement);
      CHK(FPDF_VIEWERREF_GetPrintScaling);
  
      return 1;
  }
  
  #undef CHK
  