get rid of getopt, because of it cause problem on mac os x.

src/utils.hpp

@@ -1,11 +1,60 @@
 #ifndef _UTILS_HPP_
 #define _UTILS_HPP_
 
+#include <glib.h>
 #include <string>
-using std::string;
 
-extern bool stdio_getline(FILE *in, string &str);
+template <typename T, typename unref_res_t, void (*unref_res)(unref_res_t *)>
+class ResourceWrapper {
+public:
+	ResourceWrapper(T *p = NULL) : p_(p) {}
+	~ResourceWrapper() { free_resource(); }
+	T *operator->() const { return p_; }
+	bool operator!() const { return p_ == NULL; }
+
+	void reset(T *newp) {
+		if (p_ != newp) {
+			free_resource();
+			p_ = newp;
+		}
+	}
+
+	friend inline T *get_impl(const ResourceWrapper& rw) {
+		return rw.p_; 
+	}
+
+	friend inline T **get_addr(ResourceWrapper& rw) {
+		return &rw.p_; 
+	}
+private:
+	T *p_;
+
+	void free_resource() { if (p_) unref_res(p_); }
+
+// Helper for enabling 'if (sp)'
+	struct Tester {
+            Tester() {}
+        private:
+            void operator delete(void*);
+        };
+public:
+	// enable 'if (sp)'
+        operator Tester*() const
+        {
+            if (!*this) return 0;
+            static Tester t;
+            return &t;
+        }
+};
+
+namespace glib {
+	typedef ResourceWrapper<gchar, void, g_free> CharStr;
+	typedef ResourceWrapper<GError, GError, g_error_free> Error;
+}
+
+
+extern bool stdio_getline(FILE *in, std::string &str);
 extern char *locale_to_utf8(const char *locstr);
-extern string utf8_to_locale_ign_err(const string& utf8_str);
+extern std::string utf8_to_locale_ign_err(const std::string& utf8_str);
 
 #endif//!_UTILS_HPP_