Bug 728530 - Crash on \addindex \term

src/htmldocvisitor.cpp

@@ -44,6 +44,8 @@ static QCString convertIndexWordToAnchor(const QString &word)
   QCString result;
   const char *str = word.data();
   unsigned char c;
+  if (str)
+  {
     while ((c = *str++))
     {
       if ((c >= 'a' && c <= 'z') || // ALPHA
@@ -67,6 +69,7 @@ static QCString convertIndexWordToAnchor(const QString &word)
         result += enc;
       }
     }
+  }
   return result;
 }
 

src/latexdocvisitor.cpp

@@ -38,6 +38,8 @@ static QCString escapeLabelName(const char *s)
   QCString result;
   const char *p=s;
   char c;
+  if (p)
+  {
     while ((c=*p++))
     {
       switch (c)
@@ -51,6 +53,7 @@ static QCString escapeLabelName(const char *s)
         default: result+=c;
       }
     }
+  }
   return result;
 }
 
@@ -73,6 +76,8 @@ QCString LatexDocVisitor::escapeMakeIndexChars(const char *s)
   const char *p=s;
   char str[2]; str[1]=0;
   char c;
+  if (p)
+  {
     while ((c=*p++))
     {
       switch (c)
@@ -88,6 +93,7 @@ QCString LatexDocVisitor::escapeMakeIndexChars(const char *s)
         default:  str[0]=c; filter(str); break;
       }
     }
+  }
   return result;
 }