Drop FXSYS_ from util methods

This Cl drops the FXSYS_ from utility methods which are the same on all
platforms.

Bug: pdfium:694
Change-Id: I0859b60c5ba7af68c929a519dd76f48c27a6c896
Reviewed-on: https://pdfium-review.googlesource.com/3614
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
diff --git a/core/fpdfapi/cmaps/fpdf_cmaps.cpp b/core/fpdfapi/cmaps/fpdf_cmaps.cpp
index ca01d43..cb2f09f 100644
--- a/core/fpdfapi/cmaps/fpdf_cmaps.cpp
+++ b/core/fpdfapi/cmaps/fpdf_cmaps.cpp
@@ -76,15 +76,15 @@
     while (1) {
       if (pMap->m_DWordMapType == FXCMAP_CMap::Range) {
         uint16_t* found = static_cast<uint16_t*>(
-            FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8,
-                          compareDWordRange));
+            bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 8,
+                    compareDWordRange));
         if (found)
           return found[3] + (uint16_t)charcode - found[1];
 
       } else if (pMap->m_DWordMapType == FXCMAP_CMap::Single) {
         uint16_t* found = static_cast<uint16_t*>(
-            FXSYS_bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 6,
-                          compareDWordSingle));
+            bsearch(&charcode, pMap->m_pDWordMap, pMap->m_DWordCount, 6,
+                    compareDWordSingle));
         if (found)
           return found[2];
       }
@@ -101,13 +101,13 @@
     if (!pMap->m_pWordMap)
       return 0;
     if (pMap->m_WordMapType == FXCMAP_CMap::Single) {
-      uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch(
-          &code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord));
+      uint16_t* found = static_cast<uint16_t*>(
+          bsearch(&code, pMap->m_pWordMap, pMap->m_WordCount, 4, compareWord));
       if (found)
         return found[1];
 
     } else if (pMap->m_WordMapType == FXCMAP_CMap::Range) {
-      uint16_t* found = static_cast<uint16_t*>(FXSYS_bsearch(
+      uint16_t* found = static_cast<uint16_t*>(bsearch(
           &code, pMap->m_pWordMap, pMap->m_WordCount, 6, compareWordRange));
       if (found)
         return found[2] + code - found[0];
diff --git a/core/fpdfapi/font/cpdf_type1font.cpp b/core/fpdfapi/font/cpdf_type1font.cpp
index e3d96da..ac0aed4 100644
--- a/core/fpdfapi/font/cpdf_type1font.cpp
+++ b/core/fpdfapi/font/cpdf_type1font.cpp
@@ -35,9 +35,9 @@
 }
 
 const char* GlyphNameRemap(const char* pStrAdobe) {
-  const GlyphNameMap* found = static_cast<const GlyphNameMap*>(FXSYS_bsearch(
-      pStrAdobe, g_GlyphNameSubsts, FX_ArraySize(g_GlyphNameSubsts),
-      sizeof(GlyphNameMap), compareString));
+  const GlyphNameMap* found = static_cast<const GlyphNameMap*>(
+      bsearch(pStrAdobe, g_GlyphNameSubsts, FX_ArraySize(g_GlyphNameSubsts),
+              sizeof(GlyphNameMap), compareString));
   return found ? found->m_pStrUnicode : nullptr;
 }
 
diff --git a/core/fpdfapi/font/fpdf_font_cid.cpp b/core/fpdfapi/font/fpdf_font_cid.cpp
index 64b0417..434fe62 100644
--- a/core/fpdfapi/font/fpdf_font_cid.cpp
+++ b/core/fpdfapi/font/fpdf_font_cid.cpp
@@ -579,8 +579,7 @@
     *(uint32_t*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
     memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(),
            parser.m_AddMaps.GetSize());
-    FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8,
-                CompareDWORD);
+    qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8, CompareDWORD);
   }
 }
 
@@ -596,8 +595,8 @@
   }
   if (charcode >> 16) {
     if (m_pAddMapping) {
-      void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4,
-                                  *(uint32_t*)m_pAddMapping, 8, CompareCID);
+      void* found = bsearch(&charcode, m_pAddMapping + 4,
+                            *(uint32_t*)m_pAddMapping, 8, CompareCID);
       if (!found)
         return 0;
       return (uint16_t)(((uint32_t*)found)[1] % 65536 + charcode -
diff --git a/core/fpdfapi/font/ttgsubtable.cpp b/core/fpdfapi/font/ttgsubtable.cpp
index 4fae5d4..d2a6b9a 100644
--- a/core/fpdfapi/font/ttgsubtable.cpp
+++ b/core/fpdfapi/font/ttgsubtable.cpp
@@ -49,9 +49,9 @@
 }
 
 bool CFX_GlyphMap::Lookup(int key, int& value) {
-  void* pResult = FXSYS_bsearch(&key, m_Buffer.GetBuffer(),
-                                m_Buffer.GetSize() / sizeof(_IntPair),
-                                sizeof(_IntPair), _CompareInt);
+  void* pResult =
+      bsearch(&key, m_Buffer.GetBuffer(), m_Buffer.GetSize() / sizeof(_IntPair),
+              sizeof(_IntPair), _CompareInt);
   if (!pResult) {
     return false;
   }
diff --git a/core/fpdfapi/render/cpdf_pagerendercache.cpp b/core/fpdfapi/render/cpdf_pagerendercache.cpp
index 6e6250b..549f466 100644
--- a/core/fpdfapi/render/cpdf_pagerendercache.cpp
+++ b/core/fpdfapi/render/cpdf_pagerendercache.cpp
@@ -48,7 +48,7 @@
     pCACHEINFO[i].time = it.second->GetTimeCount();
     pCACHEINFO[i++].pStream = it.second->GetStream();
   }
-  FXSYS_qsort(pCACHEINFO, nCount, sizeof(CACHEINFO), compare);
+  qsort(pCACHEINFO, nCount, sizeof(CACHEINFO), compare);
   uint32_t nTimeCount = m_nTimeCount;
 
   // Check if time value is about to roll over and reset all entries.
diff --git a/core/fxcrt/fx_system.h b/core/fxcrt/fx_system.h
index b52cb6a..1ee0d8b 100644
--- a/core/fxcrt/fx_system.h
+++ b/core/fxcrt/fx_system.h
@@ -171,9 +171,6 @@
 #define FXSYS_wcslen(ptr) ((FX_STRSIZE)wcslen(ptr))
 #endif  // __cplusplus
 
-#define FXSYS_qsort qsort
-#define FXSYS_bsearch bsearch
-
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 #define FXSYS_GetACP GetACP
 #define FXSYS_itoa _itoa
diff --git a/core/fxge/ge/cfx_fontmapper.cpp b/core/fxge/ge/cfx_fontmapper.cpp
index 9b2e1aa..e8fb988 100644
--- a/core/fxge/ge/cfx_fontmapper.cpp
+++ b/core/fxge/ge/cfx_fontmapper.cpp
@@ -216,7 +216,7 @@
       fontName = "FreeStyleScript";
     return fontName;
   }
-  AltFontFamily* found = reinterpret_cast<AltFontFamily*>(FXSYS_bsearch(
+  AltFontFamily* found = reinterpret_cast<AltFontFamily*>(bsearch(
       fontName.c_str(), g_AltFontFamilies, FX_ArraySize(g_AltFontFamilies),
       sizeof(AltFontFamily), CompareFontFamilyString));
   return found ? CFX_ByteString(found->m_pFontFamily) : fontName;
@@ -809,8 +809,8 @@
 
 int PDF_GetStandardFontName(CFX_ByteString* name) {
   AltFontName* found = static_cast<AltFontName*>(
-      FXSYS_bsearch(name->c_str(), g_AltFontNames, FX_ArraySize(g_AltFontNames),
-                    sizeof(AltFontName), CompareString));
+      bsearch(name->c_str(), g_AltFontNames, FX_ArraySize(g_AltFontNames),
+              sizeof(AltFontName), CompareString));
   if (!found)
     return -1;