1 files changed, 15 insertions, 15 deletions

diff --git a/fluid/nodes/Function_Node.cxx b/fluid/nodes/Function_Node.cxx
index 02f4d75ca..27e8c83de 100644
--- a/fluid/nodes/Function_Node.cxx
+++ b/fluid/nodes/Function_Node.cxx
@@ -42,14 +42,14 @@ using namespace fld::io;
 using namespace fld::proj;
 
 /// Set a current class, so that the code of the children is generated correctly.
-Class_Node *current_class = nullptr;
+Class_Node *current_class = 0;
 
 /**
  \brief Return 1 if the list contains a function with the given signature at the top level.
  Widget_Node uses this to check if a callback by a certain signature is
  already defined by the user within this file. If not, Widget_Node will
  generate an `extern $sig$;` statement.
- \param[in] rtype return type, can be nullptr to avoid checking (not used by Widget_Node)
+ \param[in] rtype return type, can be 0 to avoid checking (not used by Widget_Node)
  \param[in] sig function signature
  \return 1 if found.
  */
@@ -76,7 +76,7 @@ static char buffer[128]; // for error messages
  This is used to find a matching " or ' in a string.
  \param[inout] c start searching here, return where we found \c type
  \param[in] type find this character
- \return nullptr if the character was found, else a pointer to a static string
+ \return 0 if the character was found, else a pointer to a static string
     with an error message
  */
 const char *_q_check(const char * & c, int type) {
@@ -88,7 +88,7 @@ const char *_q_check(const char * & c, int type) {
       if (*c) c++;
       break;
     default:
-      if (*(c-1) == type) return nullptr;
+      if (*(c-1) == type) return 0;
   }
 }
 
@@ -98,14 +98,14 @@ const char *_q_check(const char * & c, int type) {
  {, [, ", ', and ( are matched.
  \param[inout] c start searching here, return the end of the search
  \param[in] type find this character match
- \return nullptr if the character was found, else a pointer to a static string
+ \return 0 if the character was found, else a pointer to a static string
     with an error message
  */
 const char *_c_check(const char * & c, int type) {
   const char *d;
   for (;;) switch (*c++) {
     case 0:
-      if (!type) return nullptr;
+      if (!type) return 0;
       sprintf(buffer, "missing '%c'", type);
       return buffer;
     case '/':
@@ -153,7 +153,7 @@ const char *_c_check(const char * & c, int type) {
     case ')':
     case ']':
 //    UNEXPECTED:
-      if (type == *(c-1)) return nullptr;
+      if (type == *(c-1)) return 0;
       sprintf(buffer, "unexpected '%c'", *(c-1));
       return buffer;
   }
@@ -164,7 +164,7 @@ const char *_c_check(const char * & c, int type) {
  Make sure that {, ", ', and ( are matched.
  \param[in] c start searching here
  \param[in] type find this character match (default is 0)
- \return nullptr if the character was found, else a pointer to a static string
+ \return 0 if the character was found, else a pointer to a static string
     with an error message
  \note This function checks every conceivable line of code, which is not
     always wanted. It can't differentiate characters in comments, and the
@@ -436,7 +436,7 @@ void Function_Node::write_code1(fld::io::Code_Writer& f) {
   }
 
   if (havewidgets && child && !child->name())
-    f.write_c("%s%s* w;\n", f.indent(1), subclassname(child).c_str());
+    f.write_c("%s%s* w;\n", f.indent(1), subclassname(child));
   f.indentation++;
 }
 
@@ -478,7 +478,7 @@ int Function_Node::has_signature(const char *rtype, const char *sig) const {
     return 0;
   if (!name())
     return 0;
-  if ( (rtype==nullptr || (return_type() == rtype)) && fl_filename_match(name(), sig)) {
+  if ( (rtype==0 || (return_type() == rtype)) && fl_filename_match(name(), sig)) {
     return 1;
   }
   return 0;
@@ -515,7 +515,7 @@ Node *Code_Node::make(Strategy strategy) {
   }
   if (!p) {
     fl_message("Please select a function");
-    return nullptr;
+    return 0;
   }
   Code_Node *o = new Code_Node();
   o->name("printf(\"Hello, World!\\n\");");
@@ -591,7 +591,7 @@ int Code_Node::reap_editor() {
     current contents of editor file..
  */
 int Code_Node::handle_editor_changes() {
-  const char *newcode = nullptr;
+  const char *newcode = 0;
   switch ( editor_.handle_changes(&newcode) ) {
     case 1: {            // (1)=changed
       name(newcode);     // update value in ram
@@ -636,7 +636,7 @@ Node *CodeBlock_Node::make(Strategy strategy) {
   }
   if (!p) {
     fl_message("Please select a function");
-    return nullptr;
+    return 0;
   }
   CodeBlock_Node *o = new CodeBlock_Node();
   o->name("if (test())");
@@ -950,11 +950,11 @@ void Data_Node::open() {
  Write the content of the external file inline into the source code.
  */
 void Data_Node::write_code1(fld::io::Code_Writer& f) {
-  const char *message = nullptr;
+  const char *message = 0;
   const char *c = name();
   if (!c) return;
   std::string fn = filename();
-  char *data = nullptr;
+  char *data = 0;
   int nData = -1;
   int uncompressedDataSize = 0;
   // path should be set correctly already