1 files changed, 44 insertions, 0 deletions
diff --git a/src/lib/stdio.C b/src/lib/stdio.C
new file mode 100644
index 000000000..2cdd23d85
--- /dev/null
+++ b/src/lib/stdio.C
@@ -0,0 +1,44 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <util/sprintf.H>
+#include <util/functor.H>
+
+class SprintfBuffer
+{
+    public:
+	int putc(int c)
+	{
+	    if ('\b' == c)
+	    {
+		iv_pos--;
+	    }
+	    else
+	    {
+		iv_buffer[iv_pos++] = c;
+	    }
+	    return c;
+	}
+
+	explicit SprintfBuffer(char* buf) : iv_pos(0), iv_buffer(buf) {};
+
+    private:
+	size_t iv_pos;    
+	char * iv_buffer;
+};
+
+int sprintf(char *str, const char * format, ...)
+{
+    using Util::mem_ptr_fun;
+    using Util::vasprintf;
+
+    va_list args;
+    va_start(args, format);
+
+    SprintfBuffer console(str);
+    size_t count = vasprintf(mem_ptr_fun(console, &SprintfBuffer::putc),
+			     format, args);
+
+    va_end(args);
+
+    return count;
+}