loplugin:unusedmethods unused return value in hwpfilter

Change-Id: Ib225db89e60708f6b55b3cb86f8e881386fab86f

12 files changed, 65 insertions, 73 deletions

diff --git a/hwpfilter/source/formula.cxx b/hwpfilter/source/formula.cxx
index d12c6cbce0ab..0022efe1f8ca 100644
--- a/hwpfilter/source/formula.cxx
+++ b/hwpfilter/source/formula.cxx
@@ -568,10 +568,10 @@ void Formula::makeBlock(Node *res)
 #endif
 }
 
-int Formula::parse()
+void Formula::parse()
 {
      Node *res = nullptr;
-     if( !eq ) return 0;
+     if( !eq ) return;
      if( isHwpEQ ){
           MzString a;
          // fprintf(stderr,"\n\n[BEFORE]\n[%s]\n",eq);
@@ -627,8 +627,6 @@ int Formula::parse()
          nodelist.pop_front();
          delete tmpNode;
      }
-
-     return 0;
 }
 
 void Formula::trim()
diff --git a/hwpfilter/source/formula.h b/hwpfilter/source/formula.h
index 22c53f6a4d6f..a4cddc2e8c8a 100644
--- a/hwpfilter/source/formula.h
+++ b/hwpfilter/source/formula.h
@@ -55,7 +55,7 @@ public:
         pList = p;
         rList = static_cast<XAttributeList *>(pList);
     }
-    int parse();
+    void parse();
 private:
      void trim();
      void makeMathML(Node *res);
diff --git a/hwpfilter/source/hfont.cxx b/hwpfilter/source/hfont.cxx
index 72746f23467e..a530f1272c06 100644
--- a/hwpfilter/source/hfont.cxx
+++ b/hwpfilter/source/hfont.cxx
@@ -43,18 +43,17 @@ HWPFont::~HWPFont()
 }
 
 
-int HWPFont::AddFont(int lang, const char *font)
+void HWPFont::AddFont(int lang, const char *font)
 {
     int nfonts;
 
     if (!(lang >= 0 && lang < NLanguage))
-        return 0;
+        return;
     nfonts = nFonts[lang];
     if (MAXFONTS <= nfonts)
-        return 0;
+        return;
     strncpy(fontnames[lang] + FONTNAMELEN * nfonts, font, FONTNAMELEN - 1);
     nFonts[lang]++;
-    return nfonts;
 }
 
 
diff --git a/hwpfilter/source/hfont.h b/hwpfilter/source/hfont.h
index 1ed8fa6bb3cd..39aa159ee49e 100644
--- a/hwpfilter/source/hfont.h
+++ b/hwpfilter/source/hfont.h
@@ -54,7 +54,7 @@ class DLLEXPORT HWPFont
  * @param lang Language index
  * @param font Name of font family
  */
-        int       AddFont( int lang, const char *font );
+        void       AddFont( int lang, const char *font );
 /**
  * @param lang Language index
  * @param id Index of font
diff --git a/hwpfilter/source/hinfo.cxx b/hwpfilter/source/hinfo.cxx
index 2ca1714045f1..b9d75a695a34 100644
--- a/hwpfilter/source/hinfo.cxx
+++ b/hwpfilter/source/hinfo.cxx
@@ -197,24 +197,24 @@ bool HWPSummary::Read(HWPFile & hwpf)
 }
 
 
-bool ParaShape::Read(HWPFile & hwpf)
+void ParaShape::Read(HWPFile & hwpf)
 {
     pagebreak = 0;
     unsigned short tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     left_margin = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     right_margin = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     indent = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     lspacing = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     pspacing_next = tmp16;
 
     hwpf.Read1b(&condense, 1);
@@ -224,37 +224,36 @@ bool ParaShape::Read(HWPFile & hwpf)
         hwpf.Read1b(&tabs[ii].type, 1);
         hwpf.Read1b(&tabs[ii].dot_continue, 1);
         if (!hwpf.Read2b(tmp16))
-            return false;
+            return;
         tabs[ii].position = tmp16;
     }
     hwpf.Read1b(&coldef.ncols, 1);
     hwpf.Read1b(&coldef.separator, 1);
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     coldef.spacing = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     coldef.columnlen = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     coldef.columnlen0 = tmp16;
     hwpf.Read1b(&shade, 1);
     hwpf.Read1b(&outline, 1);
     hwpf.Read1b(&outline_continue, 1);
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     pspacing_prev = tmp16;
 
     hwpf.Read1b(reserved, 2);
-    return (!hwpf.State());
 }
 
 
-bool CharShape::Read(HWPFile & hwpf)
+void CharShape::Read(HWPFile & hwpf)
 {
     unsigned short tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     size = tmp16;
     hwpf.Read1b(font, NLanguage);
     hwpf.Read1b(ratio, NLanguage);
@@ -263,8 +262,6 @@ bool CharShape::Read(HWPFile & hwpf)
     hwpf.Read1b(&shade, 1);
     hwpf.Read1b(&attr, 1);
     hwpf.Read1b(reserved, 4);
-
-    return (!hwpf.State());
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/hwpfilter/source/hinfo.h b/hwpfilter/source/hinfo.h
index 565e6a1cb54f..884c0894fa92 100644
--- a/hwpfilter/source/hinfo.h
+++ b/hwpfilter/source/hinfo.h
@@ -231,7 +231,7 @@ struct CharShape
     unsigned char attr;
     unsigned char reserved[4];
 
-    bool Read(HWPFile &);
+    void Read(HWPFile &);
 };
 
 /* ?? ?????? ???? ?????? */
@@ -284,7 +284,7 @@ struct ParaShape
     CharShape *cshape;
      unsigned char pagebreak;
 
-    bool  Read(HWPFile &);
+    void  Read(HWPFile &);
 //  virtual ~ParaShape();
 };
 #endif // INCLUDED_HWPFILTER_SOURCE_HINFO_H
diff --git a/hwpfilter/source/hpara.cxx b/hwpfilter/source/hpara.cxx
index 7b474bdba72d..9bbd9a3da8d4 100644
--- a/hwpfilter/source/hpara.cxx
+++ b/hwpfilter/source/hpara.cxx
@@ -29,29 +29,29 @@
 #include "hbox.h"
 #include "hutil.h"
 
-bool LineInfo::Read(HWPFile & hwpf, HWPPara *pPara)
+void LineInfo::Read(HWPFile & hwpf, HWPPara *pPara)
 {
     if (!hwpf.Read2b(pos))
-        return false;
+        return;
     unsigned short tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     space_width = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     height = tmp16;
 // internal information
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     pgy = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     sx = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     psx = tmp16;
     if (!hwpf.Read2b(tmp16))
-        return false;
+        return;
     pex = tmp16;
     height_sp = 0;
 
@@ -62,8 +62,6 @@ bool LineInfo::Read(HWPFile & hwpf, HWPPara *pPara)
         pPara->pshape.reserved[0] = sal::static_int_cast<unsigned char>(pex & 0x01);
         pPara->pshape.reserved[1] = sal::static_int_cast<unsigned char>(pex & 0x02);
     }
-
-    return (!hwpf.State());
 }
 
 HWPPara::HWPPara()
diff --git a/hwpfilter/source/hpara.h b/hwpfilter/source/hpara.h
index e9886656abc9..343f08afafde 100644
--- a/hwpfilter/source/hpara.h
+++ b/hwpfilter/source/hpara.h
@@ -68,7 +68,7 @@ struct LineInfo
     hunit         height_sp;
     unsigned short    softbreak;                  // column, page, section
 
-    bool  Read(HWPFile &hwpf, HWPPara *para);
+    void  Read(HWPFile &hwpf, HWPPara *para);
 };
 /**
  * It represents the paragraph.
diff --git a/hwpfilter/source/htags.cxx b/hwpfilter/source/htags.cxx
index eb49626baa34..3bc004a89d26 100644
--- a/hwpfilter/source/htags.cxx
+++ b/hwpfilter/source/htags.cxx
@@ -25,7 +25,7 @@
 #include "hwpfile.h"
 #include "htags.h"
 
-bool HyperText::Read(HWPFile & hwpf)
+void HyperText::Read(HWPFile & hwpf)
 {
     hwpf.Read1b(filename, 256);
     hwpf.Read2b(bookmark, 16);
@@ -41,7 +41,6 @@ bool HyperText::Read(HWPFile & hwpf)
                 break;
         }
     }
-    return true;
 }
 
 
@@ -101,21 +100,21 @@ OlePicture::~OlePicture()
 
 #define FILESTG_SIGNATURE_NORMAL 0xF8995568
 
-bool OlePicture::Read(HWPFile & hwpf)
+void OlePicture::Read(HWPFile & hwpf)
 {
     if (size <= 0)
-        return false;
+        return;
 
 // We process only FILESTG_SIGNATURE_NORMAL.
     hwpf.Read4b(&signature, 1);
     if (signature != FILESTG_SIGNATURE_NORMAL)
-        return false;
+        return;
 #ifdef WIN32
     char *data = new char[size];
     if (hwpf.ReadBlock(data,size) == 0)
     {
           delete [] data;
-          return false;
+          return;
     }
     FILE *fp;
     char tname[200];
@@ -124,7 +123,7 @@ bool OlePicture::Read(HWPFile & hwpf)
     if (0 == (fp = fopen(tname, "wb")))
     {
          delete [] data;
-         return false;
+         return;
     }
     fwrite(data, size, 1, fp);
     delete [] data;
@@ -135,15 +134,13 @@ bool OlePicture::Read(HWPFile & hwpf)
                     NULL, 0, &pis) != S_OK ) {
          pis = 0;
          unlink(tname);
-         return false;
+         return;
     }
     unlink(tname);
 #else
     if (pis == nullptr || hwpf.ReadBlock(pis, size) == 0)
-        return false;
+        return;
 #endif
-
-    return true;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/hwpfilter/source/htags.h b/hwpfilter/source/htags.h
index 303b84461c9e..2e07978d23b5 100644
--- a/hwpfilter/source/htags.h
+++ b/hwpfilter/source/htags.h
@@ -46,7 +46,7 @@ struct HyperText
     char  macro[325];
     uchar type;
     char reserve[3];
-    bool Read(HWPFile& hwpf);
+    void Read(HWPFile& hwpf);
 };
 /**
  * @short Win32 OLE object
@@ -63,7 +63,7 @@ struct OlePicture
     explicit OlePicture(int tsize);
     ~OlePicture(void);
 
-    bool Read(HWPFile& hwpf);
+    void Read(HWPFile& hwpf);
 };
 #endif // INCLUDED_HWPFILTER_SOURCE_HTAGS_H
 
diff --git a/hwpfilter/source/hwpfile.cxx b/hwpfilter/source/hwpfile.cxx
index 1d7eb841882d..fb989ad3476f 100644
--- a/hwpfilter/source/hwpfile.cxx
+++ b/hwpfilter/source/hwpfile.cxx
@@ -176,15 +176,17 @@ int HWPFile::Read1b(void *ptr, size_t nmemb)
     return hiodev ? hiodev->read1b(ptr, nmemb) : 0;
 }
 
-int HWPFile::Read2b(void *ptr, size_t nmemb)
+void HWPFile::Read2b(void *ptr, size_t nmemb)
 {
-    return hiodev ? hiodev->read2b(ptr, nmemb) : 0;
+    if (hiodev)
+        hiodev->read2b(ptr, nmemb);
 }
 
 
-int HWPFile::Read4b(void *ptr, size_t nmemb)
+void HWPFile::Read4b(void *ptr, size_t nmemb)
 {
-    return hiodev ? hiodev->read4b(ptr, nmemb) : 0;
+    if (hiodev)
+        hiodev->read4b(ptr, nmemb);
 }
 
 
@@ -200,9 +202,10 @@ size_t HWPFile::SkipBlock(size_t size)
 }
 
 
-bool HWPFile::SetCompressed(bool flag)
+void HWPFile::SetCompressed(bool flag)
 {
-    return hiodev && hiodev->setCompressed(flag);
+    if (hiodev)
+        hiodev->setCompressed(flag);
 }
 
 
@@ -218,27 +221,27 @@ HIODev *HWPFile::SetIODevice(HIODev * new_hiodev)
 
 // end of HIODev wrapper
 
-bool HWPFile::InfoRead()
+void HWPFile::InfoRead()
 {
-    return _hwpInfo.Read(*this);
+    _hwpInfo.Read(*this);
 }
 
 
-bool HWPFile::FontRead()
+void HWPFile::FontRead()
 {
-    return _hwpFont.Read(*this);
+    _hwpFont.Read(*this);
 }
 
 
-bool HWPFile::StyleRead()
+void HWPFile::StyleRead()
 {
-    return _hwpStyle.Read(*this);
+    _hwpStyle.Read(*this);
 }
 
 
-bool HWPFile::ParaListRead()
+void HWPFile::ParaListRead()
 {
-    return ReadParaList(plist);
+    ReadParaList(plist);
 }
 
 bool HWPFile::ReadParaList(std::list < HWPPara* > &aplist, unsigned char flag)
diff --git a/hwpfilter/source/hwpfile.h b/hwpfilter/source/hwpfile.h
index ea500e10bba7..497593f5fb80 100644
--- a/hwpfilter/source/hwpfile.h
+++ b/hwpfilter/source/hwpfile.h
@@ -142,11 +142,11 @@ class DLLEXPORT HWPFile
 /**
  * Reads nmemb short type array from HIODev
  */
-        int Read2b( void *ptr, size_t nmemb );
+        void Read2b( void *ptr, size_t nmemb );
 /**
  * Reads nmemb long type array from HIODev
  */
-        int Read4b( void *ptr, size_t nmemb );
+        void Read4b( void *ptr, size_t nmemb );
 /**
  * Reads some bytes from HIODev not regarding endian's way
  * @param size Amount for reading
@@ -163,7 +163,7 @@ class DLLEXPORT HWPFile
 /**
  * Sets if the stream is compressed
  */
-        bool SetCompressed( bool );
+        void SetCompressed( bool );
 /**
  * Sets current HIODev
  */
@@ -176,19 +176,19 @@ class DLLEXPORT HWPFile
 /**
  * Reads document information of hwp file from HIODev
  */
-        bool InfoRead(void);
+        void InfoRead(void);
 /**
  * Reads font list of hwp file from HIODev
  */
-        bool FontRead(void);
+        void FontRead(void);
 /**
  * Reads style list of hwp file from HIODev
  */
-        bool StyleRead(void);
+        void StyleRead(void);
 /**
  * Reads paragraph list of hwp file from HIODev
  */
-        bool ParaListRead();
+        void ParaListRead();
 /* 그림 등의 추가 정보를 읽는다. */
 /**
  * Reads additional information like embedded image of hwp file from HIODev