4 files changed, 19 insertions, 17 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Context.cpp b/core/fxcodec/jbig2/JBig2_Context.cpp
index 5a10cc39a4..72670049cd 100644
--- a/core/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/fxcodec/jbig2/JBig2_Context.cpp
@@ -6,6 +6,8 @@
 
 #include "core/fxcodec/jbig2/JBig2_Context.h"
 
+#include <string.h>
+
 #include <algorithm>
 #include <limits>
 #include <list>
@@ -877,7 +879,7 @@ JBig2_Result CJBig2_Context::ParseTextRegion(CJBig2_Segment* pSegment) {
   if (pTRD->SBREFINE == 1) {
     const size_t size = GetRefAggContextSize(pTRD->SBRTEMPLATE);
     grContext.reset(FX_Alloc(JBig2ArithCtx, size));
-    JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
+    memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
   }
   if (pTRD->SBHUFF == 0) {
     auto pArithDecoder =
@@ -931,7 +933,7 @@ JBig2_Result CJBig2_Context::ParsePatternDict(CJBig2_Segment* pSegment,
     const size_t size = GetHuffContextSize(pPDD->HDTEMPLATE);
     std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
         FX_Alloc(JBig2ArithCtx, size));
-    JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
+    memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
     auto pArithDecoder =
         pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
     pSegment->m_PatternDict =
@@ -1000,7 +1002,7 @@ JBig2_Result CJBig2_Context::ParseHalftoneRegion(CJBig2_Segment* pSegment,
     const size_t size = GetHuffContextSize(pHRD->HTEMPLATE);
     std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
         FX_Alloc(JBig2ArithCtx, size));
-    JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
+    memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
     auto pArithDecoder =
         pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
     pSegment->m_Image =
@@ -1180,7 +1182,7 @@ JBig2_Result CJBig2_Context::ParseGenericRefinementRegion(
   const size_t size = GetRefAggContextSize(pGRRD->GRTEMPLATE);
   std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext(
       FX_Alloc(JBig2ArithCtx, size));
-  JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
+  memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
   auto pArithDecoder = pdfium::MakeUnique<CJBig2_ArithDecoder>(m_pStream.get());
   pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
   pSegment->m_Image = pGRRD->Decode(pArithDecoder.get(), grContext.get());
diff --git a/core/fxcodec/jbig2/JBig2_Define.h b/core/fxcodec/jbig2/JBig2_Define.h
index 6fc3434ac7..17eb007bd4 100644
--- a/core/fxcodec/jbig2/JBig2_Define.h
+++ b/core/fxcodec/jbig2/JBig2_Define.h
@@ -7,10 +7,8 @@
 #ifndef CORE_FXCODEC_JBIG2_JBIG2_DEFINE_H_
 #define CORE_FXCODEC_JBIG2_JBIG2_DEFINE_H_
 
-#include "core/fxcrt/fx_system.h"
+#include <stdint.h>
 
-#define JBIG2_memset memset
-#define JBIG2_memcpy memcpy
 #define JBIG2_OOB 1
 
 struct JBig2RegionInfo {
diff --git a/core/fxcodec/jbig2/JBig2_Image.cpp b/core/fxcodec/jbig2/JBig2_Image.cpp
index 2719c2733d..442a36d2a6 100644
--- a/core/fxcodec/jbig2/JBig2_Image.cpp
+++ b/core/fxcodec/jbig2/JBig2_Image.cpp
@@ -7,6 +7,7 @@
 #include "core/fxcodec/jbig2/JBig2_Image.h"
 
 #include <limits.h>
+#include <string.h>
 
 #include <algorithm>
 #include <memory>
@@ -62,7 +63,7 @@ CJBig2_Image::CJBig2_Image(const CJBig2_Image& other)
   if (other.m_pData) {
     m_pData.Reset(std::unique_ptr<uint8_t, FxFreeDeleter>(
         FX_Alloc2D(uint8_t, m_nStride, m_nHeight)));
-    JBIG2_memcpy(data(), other.data(), m_nStride * m_nHeight);
+    memcpy(data(), other.data(), m_nStride * m_nHeight);
   }
 }
 
@@ -109,17 +110,16 @@ void CJBig2_Image::CopyLine(int32_t hTo, int32_t hFrom) {
     return;
 
   if (hFrom < 0 || hFrom >= m_nHeight) {
-    JBIG2_memset(data() + hTo * m_nStride, 0, m_nStride);
+    memset(data() + hTo * m_nStride, 0, m_nStride);
   } else {
-    JBIG2_memcpy(data() + hTo * m_nStride, data() + hFrom * m_nStride,
-                 m_nStride);
+    memcpy(data() + hTo * m_nStride, data() + hFrom * m_nStride, m_nStride);
   }
 }
 void CJBig2_Image::Fill(bool v) {
   if (!m_pData)
     return;
 
-  JBIG2_memset(data(), v ? 0xff : 0, m_nStride * m_nHeight);
+  memset(data(), v ? 0xff : 0, m_nStride * m_nHeight);
 }
 bool CJBig2_Image::ComposeTo(CJBig2_Image* pDst,
                              int32_t x,
@@ -234,10 +234,10 @@ void CJBig2_Image::Expand(int32_t h, bool v) {
     uint8_t* pExternalBuffer = data();
     m_pData.Reset(std::unique_ptr<uint8_t, FxFreeDeleter>(
         FX_Alloc(uint8_t, h * m_nStride)));
-    JBIG2_memcpy(data(), pExternalBuffer, m_nHeight * m_nStride);
+    memcpy(data(), pExternalBuffer, m_nHeight * m_nStride);
   }
-  JBIG2_memset(data() + m_nHeight * m_nStride, v ? 0xff : 0,
-               (h - m_nHeight) * m_nStride);
+  memset(data() + m_nHeight * m_nStride, v ? 0xff : 0,
+         (h - m_nHeight) * m_nStride);
   m_nHeight = h;
 }
 
diff --git a/core/fxcodec/jbig2/JBig2_SddProc.cpp b/core/fxcodec/jbig2/JBig2_SddProc.cpp
index 6bf40efd8f..29c604f1c7 100644
--- a/core/fxcodec/jbig2/JBig2_SddProc.cpp
+++ b/core/fxcodec/jbig2/JBig2_SddProc.cpp
@@ -6,6 +6,8 @@
 
 #include "core/fxcodec/jbig2/JBig2_SddProc.h"
 
+#include <string.h>
+
 #include <algorithm>
 #include <memory>
 #include <utility>
@@ -448,8 +450,8 @@ std::unique_ptr<CJBig2_SymbolDict> CJBig2_SDDProc::DecodeHuffman(
         if (pStream->getByteLeft() >= stride * HCHEIGHT) {
           BHC = pdfium::MakeUnique<CJBig2_Image>(TOTWIDTH, HCHEIGHT);
           for (I = 0; I < HCHEIGHT; I++) {
-            JBIG2_memcpy(BHC->data() + I * BHC->stride(), pStream->getPointer(),
-                         stride);
+            memcpy(BHC->data() + I * BHC->stride(), pStream->getPointer(),
+                   stride);
             pStream->offset(stride);
           }
         } else {