BSD 4_3_Net_2 development

[unix-history] / usr / src / kerberosIV / compile_et / et_name.c

/*
* Copyright 1987 by MIT Student Information Processing Board
*
* For copyright info, see mit-sipb-copyright.h.
*/

#include "error_table.h"
#include "mit-sipb-copyright.h"

static char copyright[] = "Copyright 1987 by MIT Student Information Processing Board";

char *malloc();

char *
error_table_name(num)
       int num;
{
       register int ch;
       register int i;
       register char *buf, *p;

       /* num = aa aaa abb bbb bcc ccc cdd ddd d?? ??? ??? */
       buf = malloc(5);
       p = buf;
       num >>= ERRCODE_RANGE;
       /* num = ?? ??? ??? aaa aaa bbb bbb ccc ccc ddd ddd */
       num &= 077777777;
       /* num = 00 000 000 aaa aaa bbb bbb ccc ccc ddd ddd */
       for (i = 0; i < 5; i++) {
               ch = (num >> 24-6*i) & 077;
               if (ch == 0)
                       continue;
               else if (ch < 27)
                       *p++ = ch - 1 + 'A';
               else if (ch < 53)
                       *p++ = ch - 27 + 'a';
               else if (ch < 63)
                       *p++ = ch - 53 + '0';
               else            /* ch == 63 */
                       *p++ = '_';
       }
       return(buf);
}