4 files changed, 29 insertions, 19 deletions

diff --git a/src/user/lib/fwik/include/IO/IOStream.h b/src/user/lib/fwik/include/IO/IOStream.h
index e381cf5..2e33268 100644
--- a/src/user/lib/fwik/include/IO/IOStream.h
+++ b/src/user/lib/fwik/include/IO/IOStream.h
@@ -12,14 +12,18 @@ class IOStream {
 	IOStream() : term(0) {}
 	IOStream(Term *t) : term(t) {}
 
-	void print(char* str);
-	void printf(char* fmt, ...);
+	void print(const char* str);
+	void printf(const char* fmt, ...);
 	String readln();
 
-	IOStream &operator<<(char* s) {
+	IOStream &operator<<(const char* s) {
 		print(s);
 		return *this;
 	}
+	IOStream &operator<<(const String& s) {
+		print(s.c_str());
+		return *this;
+	}
 	IOStream &operator<<(int i) {
 		printf("%d", i);
 		return *this;
diff --git a/src/user/lib/fwik/include/IO/Node.h b/src/user/lib/fwik/include/IO/Node.h
index 6100fc9..ed8290f 100644
--- a/src/user/lib/fwik/include/IO/Node.h
+++ b/src/user/lib/fwik/include/IO/Node.h
@@ -6,6 +6,8 @@
 #include <stdio.h>
 #include <cpp.h>
 
+#include <String.h>
+
 class Term;
 class Node {
 	public:
@@ -14,7 +16,7 @@ class Node {
 	bool valid;
 
 	Node(FILE f);
-	Node(char* filename, int mode);
+	Node(const char* filename, int mode);
 	virtual ~Node() {}
 
 	void close();
@@ -22,4 +24,6 @@ class Node {
 	virtual Term* as_term() { return 0; }
 };
 
+String path_cat(const String &a, const String &b, bool trailing_slash = true);
+
 #endif
diff --git a/src/user/lib/fwik/include/IO/Term.h b/src/user/lib/fwik/include/IO/Term.h
index 4fd9306..5b8aba3 100644
--- a/src/user/lib/fwik/include/IO/Term.h
+++ b/src/user/lib/fwik/include/IO/Term.h
@@ -16,13 +16,13 @@ class Term : public Node {
 
 	public:
 	Term(FILE f);
-	Term(char* filename, int mode);
+	Term(const char* filename, int mode);
 	Term(const Node &n);
 	virtual ~Term();
 
-	virtual void print(char *s);
-	virtual void printf(char* fmt, ...);
-	virtual void vprintf(char* fmt, va_list ap);
+	virtual void print(const char *s);
+	virtual void printf(const char* fmt, ...);
+	virtual void vprintf(const char* fmt, va_list ap);
 	virtual String readln();
 	String readline();
 
diff --git a/src/user/lib/fwik/include/String.h b/src/user/lib/fwik/include/String.h
index 672220d..59fa0b6 100644
--- a/src/user/lib/fwik/include/String.h
+++ b/src/user/lib/fwik/include/String.h
@@ -11,30 +11,32 @@ class String {
 	public:
 	String();
 	String(const String& other);
-	String(char* ptr);
-	String(char* ptr, int len);
+	String(const char* ptr);
+	String(const char* ptr, int len);
 	String(char c, int count);
 	~String();
 	void operator=(const String &string);
-	void operator=(char* ptr);
+	void operator=(const char* ptr);
 
-	char* c_str();
+	const char* c_str() const;
 
-	bool operator==(const String& other);
-	bool operator==(char* other);
-	bool operator<(const String& other);
+	bool operator==(const String& other) const;
+	bool operator==(const char* other) const;
+	bool operator<(const String& other) const;
 	char &operator[](int pos);
+	char operator[](int pos) const;
 
-	int size() { return len; }
-	operator bool() { return len != 0; }
-	String substr(int start, int count);
+	int size() const { return len; }
+	operator bool() const { return len != 0; }
+	String substr(int start, int count) const;
 
-	String operator+(const String& other);
+	String operator+(const String& other) const;
 	void operator+=(const String& other);
 	void operator+=(char c);
 
 	static String dec(int i);
 	static String hex(uint32_t v);
+	static String sprintf(const char* format, ...);
 };
 
 #endif