* Fixed C++ printf(), added it in example

cpp/cpptest.cpp

@@ -46,11 +46,17 @@ int main(int argc, char *argv[])
         return -1;
     }
 
+    
+    /* Draw pig */
     qq->set_color(CUCUL_COLOR_LIGHTMAGENTA, CUCUL_COLOR_BLACK);
-
+   
     for(int i = 0; pig[i]; i++)
         qq->putstr(0, i, (char*)pig[i]);
-
+    
+    /* printf works */
+    qq->set_color(CUCUL_COLOR_LIGHTBLUE, CUCUL_COLOR_BLACK);  
+    qq->printf(7,15, "Powered by libcaca %s", VERSION);
+    
 
     kk->display();
     kk->get_event(CACA_EVENT_KEY_PRESS, &ev, -1);

cpp/cucul++.cpp

@@ -52,7 +52,24 @@ void Cucul::putstr (int x, int y, char *str)
 {
     cucul_putstr(qq, x, y, str);
 }
-//void 	Cucul::printf ( int, int, char const *,...)
+void 	Cucul::printf ( int x , int y , char const * format,...)
+{
+    char tmp[BUFSIZ];
+    char *buf = tmp;
+    va_list args;
+
+    va_start(args, format);
+#if defined(HAVE_VSNPRINTF)
+    vsnprintf(buf, get_width() - x + 1, format, args);
+#else
+    vsprintf(buf, format, args);
+#endif
+    buf[get_width() - x] = '\0';
+    va_end(args);
+
+    putstr(x, y, buf);
+
+}
 
 void 	Cucul::clear ()
 {

cpp/cucul++.h

@@ -1,7 +1,8 @@
 #ifndef _CUCUL_PP_H
 #define _CUCUL_PP_H
-
-
+#include <stdio.h> // BUFSIZ
+#include <stdarg.h> // va_*
+#include "config.h"
 #include "cucul.h"
 
 
@@ -41,6 +42,7 @@ class Cucul {
     unsigned int get_height(void);
     void set_color(unsigned int f, unsigned int b);
     char const * get_color_name (unsigned int color);
+    void 	printf ( int x , int y , char const * format,...);
     void putchar (int x, int y, char c);
     void putstr (int x, int y, char *str);
     void 	clear ();