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/projects/cubeos/src_current/libc/putnum.c

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/*  src_experimental/libc/putnum.c
   CubeOS Version 0.4.90 experimental
   Copyright (C) 1999,2000 Holger Kenn

   CubeOS is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or any later version.

   CubeOS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

 */
/* putnum.c -- put a hex number on the output device.

 * Copyright (c) 1995 Cygnus Support
 *
 * The authors hereby grant permission to use, copy, modify, distribute,
 * and license this software and its documentation for any purpose, provided
 * that existing copyright notices are retained in all copies and that this
 * notice is included verbatim in any distributions. No written agreement,
 * license, or royalty fee is required for any of the authorized uses.
 * Modifications to this software may be copyrighted by their authors
 * and need not follow the licensing terms described here, provided that
 * the new terms are clearly indicated on the first page of each file where
 * they apply.
 */

/* \file putnum.c
\ingroup LIBC
*/

extern void print (char *);

void putnum (unsigned int num)
{
        char buf[9];
        int cnt;
        char *ptr;
        int digit;

        ptr = buf;
        for (cnt = 7; cnt >= 0; cnt--) {
                digit = (num >> (cnt * 4)) & 0xf;

                if (digit <= 9)
                        *ptr++ = (char) ('0' + digit);
                else
                        *ptr++ = (char) ('a' - 10 + digit);
        }

        *ptr = (char) 0;
        print (buf);
}

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