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common.c

/*
 * This file is part of John the Ripper password cracker,
 * Copyright (c) 1996-98 by Solar Designer
 */

#include <string.h>

#include "arch.h"
#include "common.h"

char itoa64[64] =
      "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
char atoi64[0x100];

char itoa16[16] =
      "0123456789abcdef";
char atoi16[0x100];

static int initialized = 0;

void common_init()
{
      char *pos;

      if (initialized) return;

      memset(atoi64, 0x7F, sizeof(atoi64));
      for (pos = itoa64; pos <= &itoa64[63]; pos++)
            atoi64[(ARCH_INDEX)*pos] = pos - itoa64;

      memset(atoi16, 0x7F, sizeof(atoi16));
      for (pos = itoa16; pos <= &itoa16[15]; pos++)
            atoi16[(ARCH_INDEX)*pos] = pos - itoa16;

      atoi16['A'] = atoi16['a'];
      atoi16['B'] = atoi16['b'];
      atoi16['C'] = atoi16['c'];
      atoi16['D'] = atoi16['d'];
      atoi16['E'] = atoi16['e'];
      atoi16['F'] = atoi16['f'];

      initialized = 1;
}

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