3 files changed, 5 insertions, 5 deletions
diff --git a/core/fpdfdoc/doc_basic.cpp b/core/fpdfdoc/doc_basic.cpp
index e0b71df392..6d6e5c234f 100644
--- a/core/fpdfdoc/doc_basic.cpp
+++ b/core/fpdfdoc/doc_basic.cpp
@@ -511,7 +511,7 @@ int32_t CPDF_PageLabel::GetPageByLabel(const CFX_ByteStringC& bsLabel) const {
     }
   }
   bsLbl = bsOrig;
-  int nPage = FXSYS_atoi(bsLbl);
+  int nPage = FXSYS_atoi(bsLbl.c_str());
   if (nPage > 0 && nPage <= nPages) {
     return nPage;
   }
diff --git a/core/fpdfdoc/doc_form.cpp b/core/fpdfdoc/doc_form.cpp
index 207b824545..6ca40fdaf6 100644
--- a/core/fpdfdoc/doc_form.cpp
+++ b/core/fpdfdoc/doc_form.cpp
@@ -633,11 +633,11 @@ FX_BOOL CPDF_InterForm::ValidateFieldName(const CPDF_FormControl* pControl,
 }
 int CPDF_InterForm::CompareFieldName(const CFX_ByteString& name1,
                                      const CFX_ByteString& name2) {
-  const FX_CHAR* ptr1 = name1;
-  const FX_CHAR* ptr2 = name2;
   if (name1.GetLength() == name2.GetLength()) {
     return name1 == name2 ? 1 : 0;
   }
+  const FX_CHAR* ptr1 = name1.c_str();
+  const FX_CHAR* ptr2 = name2.c_str();
   int i = 0;
   while (ptr1[i] == ptr2[i]) {
     i++;
diff --git a/core/fpdfdoc/doc_utils.cpp b/core/fpdfdoc/doc_utils.cpp
index 404353847f..2df7d97e31 100644
--- a/core/fpdfdoc/doc_utils.cpp
+++ b/core/fpdfdoc/doc_utils.cpp
@@ -603,8 +603,8 @@ void AddInterFormFont(CPDF_Dictionary*& pFormDict,
     csNameTag = pFont->GetBaseFont();
   }
   csNameTag.Remove(' ');
-  csNameTag =
-      CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4, csNameTag);
+  csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4,
+                                                      csNameTag.c_str());
   pFonts->SetAtReference(csNameTag.AsStringC(), pDocument,
                          pFont->GetFontDict());
 }