43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* putnum.c -- put a hex number on the output device.
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*
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* Copyright (c) 2008 Anthony Green
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#include "glue.h"
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void print (char *);
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/*
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* putnum -- print a 32 bit number in hex
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*/
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void
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_putnum (unsigned int num)
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{
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char buf[9];
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int cnt;
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char *ptr;
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int digit;
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ptr = buf;
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for (cnt = 7 ; cnt >= 0 ; cnt--) {
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digit = (num >> (cnt * 4)) & 0xf;
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if (digit <= 9)
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*ptr++ = (char) ('0' + digit);
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else
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*ptr++ = (char) ('a' - 10 + digit);
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}
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*ptr = (char) 0;
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print (buf);
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}
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