text: /*-
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include "config.h"
  
  #include <limits.h>
  #ifdef HAVE_ERRNO_H
  #include <errno.h>
  #endif
  #include <stdlib.h>
  #ifdef DBUS_WINCE
  #include <windows.h>
  #endif
  
  #ifndef isspace
  #define isspace(c) ((c) == ' ' || (c) == '\t' || (c) == '\r' || (c) == '\n')
  #endif
  
  /* Minimum and maximum values a `signed long long int' can hold.  */
  #ifndef LLONG_MAX
  #   define LLONG_MAX	9223372036854775807LL
  #endif
  
  #ifndef LLONG_MIN
  #   define LLONG_MIN	(-LLONG_MAX - 1LL)
  #endif
  /* Maximum value an `unsigned long long int' can hold.  (Minimum is 0.)  */
  #ifndef ULLONG_MAX
  #   define ULLONG_MAX	18446744073709551615ULL
  #endif
  
  /*
   * Convert a string to an unsigned long long integer.
   *
   * Assumes that the upper and lower case
   * alphabets and digits are each contiguous.
   */
  unsigned long long strtoull (const char *, char **, int);
  
  unsigned long long
  strtoull(const char * nptr, char ** endptr, int base)
  {
  	const char *s;
  	unsigned long long acc;
  	char c;
  	unsigned long long cutoff;
  	int neg, any, cutlim;
  
  	/*
  	 * See strtoq for comments as to the logic used.
  	 */
  	s = nptr;
  	do {
  		c = *s++;
  	} while (isspace((unsigned char)c));
  	if (c == '-') {
  		neg = 1;
  		c = *s++;
  	} else {
  		neg = 0;
  		if (c == '+')
  			c = *s++;
  	}
  	if ((base == 0 || base == 16) &&
  	    c == '0' && (*s == 'x' || *s == 'X') &&
  	    ((s[1] >= '0' && s[1] <= '9') ||
  	    (s[1] >= 'A' && s[1] <= 'F') ||
  	    (s[1] >= 'a' && s[1] <= 'f'))) {
  		c = s[1];
  		s += 2;
  		base = 16;
  	}
  	if (base == 0)
  		base = c == '0' ? 8 : 10;
  	acc = any = 0;
  	if (base < 2 || base > 36)
  		goto noconv;
  
  	cutoff = ULLONG_MAX / base;
  	cutlim = ULLONG_MAX % base;
  	for ( ; ; c = *s++) {
  		if (c >= '0' && c <= '9')
  			c -= '0';
  		else if (c >= 'A' && c <= 'Z')
  			c -= 'A' - 10;
  		else if (c >= 'a' && c <= 'z')
  			c -= 'a' - 10;
  		else
  			break;
  		if (c >= base)
  			break;
  		if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
  			any = -1;
  		else {
  			any = 1;
  			acc *= base;
  			acc += c;
  		}
  	}
  	if (any < 0) {
  		acc = ULLONG_MAX;
  #ifdef DBUS_WINCE
  		SetLastError (ERROR_ARITHMETIC_OVERFLOW);
  #else
  		errno = ERANGE;
  #endif
  	} else if (!any) {
  noconv:
  #ifdef DBUS_WINCE
  		SetLastError (ERROR_INVALID_PARAMETER);
  #else
  		errno = EINVAL;
  #endif
  	} else if (neg)
  		acc = -acc;
  	if (endptr != NULL)
  		*endptr = (char *)(any ? s - 1 : nptr);
  	return (acc);
  }
  