Fixed several Coverity warnings

qtools/qfile_unix.cpp

@@ -550,6 +550,7 @@ int QFile::writeBlock( const char *p, uint len )
 	return -1;
     }
 #endif
+    if (p==0) return 0;
     int nwritten;				// number of bytes written
     if ( isRaw() )				// raw file
 	nwritten = (int)WRITE( fd, p, len );

src/condparser.h

@@ -28,6 +28,7 @@ class CondParser
 {
   // public functions
   public:
+    CondParser() : m_e(0), m_tokenType(NOTHING) {}
     bool parse(const char *fileName,int lineNr,const char *expr);
 
     // enumerations

src/context.cpp

@@ -5760,7 +5760,8 @@ class ClassTreeContext::Private : public PropertyMapper
     SharedPtr<NestingContext> m_classTree;
     struct Cachable
     {
-      Cachable() : maxDepthComputed(FALSE), preferredDepthComputed(FALSE) {}
+      Cachable() : maxDepth(0), maxDepthComputed(FALSE),
+                   preferredDepth(0), preferredDepthComputed(FALSE) {}
       int   maxDepth;
       bool  maxDepthComputed;
       int   preferredDepth;
@@ -6168,7 +6169,8 @@ class FileTreeContext::Private : public PropertyMapper
     SharedPtr<NestingContext> m_dirFileTree;
     struct Cachable
     {
-      Cachable() : maxDepthComputed(FALSE), preferredDepthComputed(FALSE) {}
+      Cachable() : maxDepth(0), maxDepthComputed(FALSE),
+                   preferredDepth(0), preferredDepthComputed(FALSE) {}
       int   maxDepth;
       bool  maxDepthComputed;
       int   preferredDepth;

src/definition.cpp

@@ -92,8 +92,8 @@ class DefinitionImpl
 DefinitionImpl::DefinitionImpl()
   : sectionDict(0), sourceRefByDict(0), sourceRefsDict(0),
     xrefListItems(0), partOfGroups(0),
-    details(0), inbodyDocs(0), brief(0), body(0), 
-    outerScope(0)
+    details(0), inbodyDocs(0), brief(0), body(0), hidden(FALSE), isArtificial(FALSE),
+    outerScope(0), lang(SrcLangExt_Unknown)
 {
 }
 

src/dirdef.cpp

@@ -18,7 +18,7 @@
 
 static int g_dirCount=0;
 
-DirDef::DirDef(const char *path) : Definition(path,1,1,path)
+DirDef::DirDef(const char *path) : Definition(path,1,1,path), visited(FALSE)
 {
   bool fullPathNames = Config_getBool("FULL_PATH_NAMES");
   // get display name (stipping the paths mentioned in STRIP_FROM_PATH)

src/docbookgen.cpp

@@ -178,14 +178,14 @@ class TextGeneratorDocbookImpl : public TextGeneratorIntf
 class DocbookCodeGenerator : public CodeOutputInterface
 {
   public:
-    DocbookCodeGenerator(FTextStream &t) : m_t(t), m_lineNumber(-1),
+    DocbookCodeGenerator(FTextStream &t) : m_t(t), m_lineNumber(-1), m_col(0),
     m_insideCodeLine(FALSE), m_insideSpecialHL(FALSE) {}
     virtual ~DocbookCodeGenerator() {}
 
     void codify(const char *text)
     {
       Docbook_DB(("(codify \"%s\")\n",text));
-      writeDocbookCodeString(m_t,text,col);
+      writeDocbookCodeString(m_t,text,m_col);
     }
     void writeCodeLink(const char *ref,const char *file,
         const char *anchor,const char *name,
@@ -193,7 +193,7 @@ class DocbookCodeGenerator : public CodeOutputInterface
     {
       Docbook_DB(("(writeCodeLink)\n"));
       writeDocbookLink(m_t,ref,file,anchor,name,tooltip);
-      col+=strlen(name);
+      m_col+=strlen(name);
     }
     void writeTooltip(const char *, const DocLinkInfo &, const char *,
                       const char *, const SourceLinkInfo &, const SourceLinkInfo &
@@ -217,7 +217,7 @@ class DocbookCodeGenerator : public CodeOutputInterface
         }
       }
       m_insideCodeLine=TRUE;
-      col=0;
+      m_col=0;
     }
     void endCodeLine()
     {
@@ -255,7 +255,6 @@ class DocbookCodeGenerator : public CodeOutputInterface
       {
         m_refId=compId;
         if (anchorId) m_refId+=(QCString)"_1"+anchorId;
-        m_isMemberRef = anchorId!=0;
         if (extRef) m_external=extRef;
       }
     }
@@ -275,8 +274,7 @@ class DocbookCodeGenerator : public CodeOutputInterface
     QCString m_refId;
     QCString m_external;
     int m_lineNumber;
-    bool m_isMemberRef;
-    int col;
+    int m_col;
     bool m_insideCodeLine;
     bool m_insideSpecialHL;
 };

src/docparser.cpp

@@ -2089,6 +2089,11 @@ DocFormula::DocFormula(DocNode *parent,int id) :
     m_name.sprintf("form_%d",m_id);
     m_text = formula->getFormulaText();
   }
+  else // wrong \form#<n> command
+  {
+    warn_doc_error(g_fileName,doctokenizerYYlineno,"Wrong formula id %d",id);
+    m_id = -1;
+  }
 }
 
 //---------------------------------------------------------------------------
@@ -2366,7 +2371,7 @@ DocRef::DocRef(DocNode *parent,const QCString &target,const QCString &context) :
       //    compound->definitionType());
       return;
     }
-    else if (compound->definitionType()==Definition::TypeFile && 
+    else if (compound && compound->definitionType()==Definition::TypeFile &&
              ((FileDef*)compound)->generateSourceFile()
             ) // undocumented file that has source code we can link to
     {
@@ -2486,8 +2491,7 @@ DocCite::DocCite(DocNode *parent,const QCString &target,const QCString &) //cont
 DocLink::DocLink(DocNode *parent,const QCString &target) 
 {
   m_parent = parent;
-  Definition *compound;
-  //PageInfo *page;
+  Definition *compound = 0;
   QCString anchor;
   m_refText = target;
   m_relPath = g_relPath;
@@ -2504,7 +2508,7 @@ DocLink::DocLink(DocNode *parent,const QCString &target)
       m_file = compound->getOutputFileBase();
       m_ref  = compound->getReference();
     }
-    else if (compound->definitionType()==Definition::TypeFile && 
+    else if (compound && compound->definitionType()==Definition::TypeFile && 
              ((FileDef*)compound)->generateSourceFile()
             ) // undocumented file that has source code we can link to
     {
@@ -3308,7 +3312,6 @@ int DocIndexEntry::parse()
         break;
     }
   }
-  if (tok!=0) retval=tok;
   doctokenizerYYsetStatePara();
   m_entry = m_entry.stripWhiteSpace();
 endindexentry:
@@ -6788,15 +6791,11 @@ int DocSection::parse()
            (m_level<=2+Doxygen::subpageNestingLevel && retval==RetVal_Paragraph)
           )
   {
-    int level; 
-    if (retval==RetVal_Subsection) level=2; 
-    else if (retval==RetVal_Subsubsection) level=3;
-    else level=4;
+    int level = (retval==RetVal_Subsubsection) ? 3 : 4;
     warn_doc_error(g_fileName,doctokenizerYYlineno,"Unexpected %s "
             "command found inside %s!",
             sectionLevelToName[level],sectionLevelToName[m_level]);
     retval=0; // stop parsing
-            
   }
   else
   {

src/filename.cpp

@@ -45,10 +45,13 @@ void FileName::generateDiskNames()
   {
     // skip references
     for (it.toFirst();(fd=it.current()) && fd->isReference();++it) { }
+    if (fd)
+    {
       // name if unique, so diskname is simply the name
       //printf("!!!!!!!! Unique disk name=%s for fd=%s\n",name.data(),fd->diskname.data());
       fd->m_diskName=name;
     }
+  }
   else if (count>1) // multiple occurrences of the same file name
   {
     //printf("Multiple occurrences of %s\n",name.data());
@@ -57,6 +60,8 @@ void FileName::generateDiskNames()
     while (!found) // search for the common prefix of all paths
     {
       for (it.toFirst();(fd=it.current()) && fd->isReference();++it) { }
+      if (fd)
+      {
         char c=fd->m_path.at(i);
         if (c=='/') j=i; // remember last position of dirname
         ++it;
@@ -80,6 +85,7 @@ void FileName::generateDiskNames()
         }
         i++;
       }
+    }
     for (it.toFirst();(fd=it.current());++it)
     {
       //printf("fd->setName(%s)\n",(fd->path.right(fd->path.length()-j-1)+name).data());

src/htmlgen.cpp

@@ -737,6 +737,8 @@ void HtmlGenerator::init()
     if (f.open(IO_WriteOnly))
     {
       const Resource *res = mgr.get("dynsections.js");
+      if (res)
+      {
         FTextStream t(&f);
         t << (const char *)res->data;
         if (Config_getBool("SOURCE_BROWSER") && Config_getBool("SOURCE_TOOLTIPS"))
@@ -750,6 +752,11 @@ void HtmlGenerator::init()
             "});\n";
         }
       }
+      else
+      {
+        err("Resource dynsections.js not compiled in");
+      }
+    }
   }
 }
 
@@ -896,7 +903,6 @@ void HtmlGenerator::writeSearchInfo(FTextStream &t,const QCString &relPath)
     t << "     onmouseover=\"return searchBox.OnSearchSelectShow()\"\n";
     t << "     onmouseout=\"return searchBox.OnSearchSelectHide()\"\n";
     t << "     onkeydown=\"return searchBox.OnSearchSelectKey(event)\">\n";
-    writeSearchCategories(t);
     t << "</div>\n";
     t << "\n";
     t << "<!-- iframe showing the search results (closed by default) -->\n";

src/markdown.cpp

@@ -2375,7 +2375,7 @@ void MarkdownFileParser::parseInput(const char *fileName,
   Doxygen::markdownSupport = TRUE;
 
   bool needsEntry = FALSE;
-  Protection prot;
+  Protection prot=Public;
   while (parseCommentBlock(
         this,
         current,

src/memberdef.cpp

@@ -738,7 +738,7 @@ MemberDef::MemberDef(const char *df,int dl,int dc,
                      const char *t,const char *na,const char *a,const char *e,
                      Protection p,Specifier v,bool s,Relationship r,MemberType mt,
                      const ArgumentList *tal,const ArgumentList *al
-                    ) : Definition(df,dl,dc,removeRedundantWhiteSpace(na))
+                    ) : Definition(df,dl,dc,removeRedundantWhiteSpace(na)), visited(FALSE)
 {
   //printf("MemberDef::MemberDef(%s)\n",na);
   m_impl = new MemberDefImpl;
@@ -748,7 +748,7 @@ MemberDef::MemberDef(const char *df,int dl,int dc,
   m_isDestructorCached  = 0;
 }
 
-MemberDef::MemberDef(const MemberDef &md) : Definition(md)
+MemberDef::MemberDef(const MemberDef &md) : Definition(md), visited(FALSE)
 {
   m_impl = new MemberDefImpl;
   m_isLinkableCached    = 0;

src/memberlist.cpp

@@ -33,16 +33,35 @@
 #include "config.h"
 #include "docparser.h"
 
-MemberList::MemberList()
+MemberList::MemberList() : m_listType(MemberListType_pubMethods)
 {
   memberGroupList=0;
+  m_varCnt=0;
+  m_funcCnt=0;
+  m_enumCnt=0;
+  m_enumValCnt=0;
+  m_typeCnt=0;
+  m_protoCnt=0;
+  m_defCnt=0;
+  m_friendCnt=0;
   m_numDecMembers=-1; // special value indicating that value needs to be computed
   m_numDocMembers=-1; // special value indicating that value needs to be computed
+  m_inGroup=FALSE;
+  m_inFile=FALSE;
+  m_needsSorting=FALSE;
 }
 
 MemberList::MemberList(MemberListType lt) : m_listType(lt)
 {
   memberGroupList=0;
+  m_varCnt=0;
+  m_funcCnt=0;
+  m_enumCnt=0;
+  m_enumValCnt=0;
+  m_typeCnt=0;
+  m_protoCnt=0;
+  m_defCnt=0;
+  m_friendCnt=0;
   m_numDecMembers=-1; // special value indicating that value needs to be computed
   m_numDocMembers=-1; // special value indicating that value needs to be computed
   m_inGroup=FALSE;

src/message.cpp

@@ -152,15 +152,16 @@ static void format_warn(const char *file,int line,const char *text)
 static void do_warn(const char *tag, const char *file, int line, const char *prefix, const char *fmt, va_list args)
 {
   if (!Config_getBool(tag)) return; // warning type disabled
-  char text[40960];
+  const int bufSize = 40960;
+  char text[bufSize];
   int l=0;
   if (prefix)
   {
-    strcpy(text,prefix);
+    qstrncpy(text,prefix,bufSize);
     l=strlen(prefix);
   }
-  vsnprintf(text+l, 40960-l, fmt, args);
-  text[40960-1]='\0';
+  vsnprintf(text+l, bufSize-l, fmt, args);
+  text[bufSize-1]='\0';
   format_warn(file,line,text);
 }
 

src/pre.l

@@ -71,8 +71,8 @@ struct CondCtx
 
 struct FileState
 {
-  FileState(int size) : fileBuf(size), 
-                        oldFileBuf(0), oldFileBufPos(0) {}
+  FileState(int size) : lineNr(1), fileBuf(size),
+                        oldFileBuf(0), oldFileBufPos(0), bufState(0) {}
   int lineNr;
   BufStr fileBuf;
   BufStr *oldFileBuf;

src/searchindex.cpp

@@ -1354,26 +1354,6 @@ void writeJavascriptSearchIndex()
   Doxygen::indexList->addStyleSheetFile("search/search.js");
 }
 
-void writeSearchCategories(FTextStream &t)
-{
-#if 0
-  static SearchIndexCategoryMapping map;
-  int i,j=0;
-  for (i=0;i<NUM_SEARCH_INDICES;i++)
-  {
-    if (g_searchIndexCount[i]>0)
-    {
-      t << "<a class=\"SelectItem\" href=\"javascript:void(0)\" "
-        << "onclick=\"searchBox.OnSelectItem(" << j << ")\">"
-        << "<span class=\"SelectionMark\">&#160;</span>"
-        << convertToXML(map.categoryLabel[i])
-        << "</a>";
-      j++;
-    }
-  }
-#endif
-}
-
 //---------------------------------------------------------------------------------------------
 
 void initSearchIndexer()

src/searchindex.h

@@ -110,6 +110,5 @@ class SearchIndexExternal : public SearchIndexIntf
 //------- client side search index ----------------------
 
 void writeJavascriptSearchIndex();
-void writeSearchCategories(FTextStream &t);
 
 #endif

src/store.cpp

@@ -382,9 +382,9 @@ int Store::read(char *buf,uint size)
 void Store::printFreeList()
 {
   printf("FreeList: ");
-  portable_off_t pos = m_head->pos;
-  while (pos)
+  while (m_head)
   {
+    portable_off_t pos = m_head->pos;
     printf("%x ",(int)pos);
     m_head = m_head->next;
   }

src/tagreader.cpp

@@ -251,6 +251,18 @@ class TagFileParser : public QXmlDefaultHandler
     {
       m_startElementHandlers.setAutoDelete(TRUE);
       m_endElementHandlers.setAutoDelete(TRUE);
+      m_curClass=0;
+      m_curFile=0;
+      m_curNamespace=0;
+      m_curPackage=0;
+      m_curGroup=0;
+      m_curPage=0;
+      m_curDir=0;
+      m_curMember=0;
+      m_curEnumValue=0;
+      m_curIncludes=0;
+      m_state = Invalid;
+      m_locator = 0;
     }
 
     void setDocumentLocator ( QXmlLocator * locator )

src/translator_hr.h

@@ -943,9 +943,9 @@ class TranslatorCroatian : public TranslatorAdapter_1_8_2
      *  be followed by a single name or by a list of names
      *  of the category.
      */
-    virtual QCString trMember(bool first_capital, bool singular)
+    virtual QCString trMember(bool, bool singular)
     {
-      QCString result((first_capital ? "član" : "član"));
+      QCString result("član");
       if (!singular)  result+="ovi";
       return result;
     }

src/util.cpp

@@ -3700,7 +3700,7 @@ void mergeArguments(ArgumentList *srcAl,ArgumentList *dstAl,bool forceNameOverwr
 
   ArgumentListIterator srcAli(*srcAl),dstAli(*dstAl);
   Argument *srcA,*dstA;
-  for (;(srcA=srcAli.current(),dstA=dstAli.current());++srcAli,++dstAli)
+  for (;(srcA=srcAli.current()) && (dstA=dstAli.current());++srcAli,++dstAli)
   {
     if (srcA->defval.isEmpty() && !dstA->defval.isEmpty())
     {

src/xmlgen.cpp

@@ -224,9 +224,8 @@ class XMLCodeGenerator : public CodeOutputInterface
 {
   public:
 
-    XMLCodeGenerator(FTextStream &t) : m_t(t), m_lineNumber(-1),
-      m_insideCodeLine(FALSE), m_normalHLNeedStartTag(TRUE), 
-      m_insideSpecialHL(FALSE) {}
+    XMLCodeGenerator(FTextStream &t) : m_t(t), m_lineNumber(-1), m_isMemberRef(FALSE), m_col(0),
+      m_insideCodeLine(FALSE), m_normalHLNeedStartTag(TRUE), m_insideSpecialHL(FALSE) {}
     virtual ~XMLCodeGenerator() { }
 
     void codify(const char *text)
@@ -237,7 +236,7 @@ class XMLCodeGenerator : public CodeOutputInterface
         m_t << "<highlight class=\"normal\">";
         m_normalHLNeedStartTag=FALSE;
       }
-      writeXMLCodeString(m_t,text,col);
+      writeXMLCodeString(m_t,text,m_col);
     }
     void writeCodeLink(const char *ref,const char *file,
                        const char *anchor,const char *name,
@@ -250,7 +249,7 @@ class XMLCodeGenerator : public CodeOutputInterface
         m_normalHLNeedStartTag=FALSE;
       }
       writeXMLLink(m_t,ref,file,anchor,name,tooltip);
-      col+=qstrlen(name);
+      m_col+=qstrlen(name);
     }
     void writeTooltip(const char *, const DocLinkInfo &, const char *,
                       const char *, const SourceLinkInfo &, const SourceLinkInfo &
@@ -284,7 +283,7 @@ class XMLCodeGenerator : public CodeOutputInterface
       }
       m_t << ">";
       m_insideCodeLine=TRUE;
-      col=0;
+      m_col=0;
     }
     void endCodeLine()
     {
@@ -354,7 +353,7 @@ class XMLCodeGenerator : public CodeOutputInterface
     QCString m_external;
     int m_lineNumber;
     bool m_isMemberRef;
-    int col;
+    int m_col;
 
     bool m_insideCodeLine;
     bool m_normalHLNeedStartTag;