reactos/boot/armllb/crtsupp.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            boot/armllb/crtsupp.c
   5  * PURPOSE:         CRT Support Code
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 #include "precomp.h"
  10
  11 int
  12 putchar(int c)
  13 {
  14     /* Write to the serial port */
  15     LlbSerialPutChar(c);
  16
  17     /* Write to the screen too */
  18     LlbVideoPutChar(c);
  19     return 0;
  20 }
  21
  22 int
  23 puts(const char* string)
  24 {
  25     while (*string) putchar(*string++);
  26     return 0;
  27 }
  28
  29 int printf(const char *fmt, ...)
  30 {
  31     va_list args;
  32     unsigned int i;
  33     char printbuffer[1024];
  34
  35     va_start (args, fmt);
  36
  37     /* For this to work, printbuffer must be larger than
  38      * anything we ever want to print.
  39      */
  40     i = vsprintf (printbuffer, fmt, args);
  41     va_end (args);
  42
  43     /* Print the string */
  44     return puts(printbuffer);
  45 }
  46
  47 /* EOF */