openwrt/target/linux/image/generic/lzma-loader/src/printf.c

   1 /*
   2  * Copyright (C) 2001 MontaVista Software Inc.
   3  * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
   4  *
   5  * This program is free software; you can redistribute  it and/or modify it
   6  * under  the terms of  the GNU General  Public License as published by the
   7  * Free Software Foundation;  either version 2 of the  License, or (at your
   8  * option) any later version.
   9  *
  10  */
  11
  12 #include "printf.h"
  13 #include "print.h"
  14 #include "uart16550.h"
  15
  16 static void myoutput(void *arg, char *s, int l)
  17 {
  18     int i;
  19
  20     // special termination call
  21     if ((l==1) && (s[0] == '\0')) return;
  22
  23     for (i=0; i< l; i++) {
  24         Uart16550Put(s[i]);
  25         if (s[i] == '\n') Uart16550Put('\r');
  26     }
  27 }
  28
  29 void printf(char *fmt, ...)
  30 {
  31     va_list ap;
  32     va_start(ap, fmt);
  33     lp_Print(myoutput, 0, fmt, ap);
  34     va_end(ap);
  35 }