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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* Copyright (C) 2001, 2002, 2004-2007, 2016 Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/* $Id: parseint.h,v 1.9 2007/06/19 23:47:18 tbox Exp $ */
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#ifndef ISC_PARSEINT_H
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#define ISC_PARSEINT_H 1
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#include <isc/lang.h>
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#include <isc/types.h>
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/*! \file isc/parseint.h
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* \brief Parse integers, in a saner way than atoi() or strtoul() do.
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*/
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/***
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*** Functions
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***/
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ISC_LANG_BEGINDECLS
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isc_result_t
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isc_parse_uint32(isc_uint32_t *uip, const char *string, int base);
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isc_result_t
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isc_parse_uint16(isc_uint16_t *uip, const char *string, int base);
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isc_result_t
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isc_parse_uint8(isc_uint8_t *uip, const char *string, int base);
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/*%<
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* Parse the null-terminated string 'string' containing a base 'base'
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* integer, storing the result in '*uip'.
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* The base is interpreted
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* as in strtoul(). Unlike strtoul(), leading whitespace, minus or
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* plus signs are not accepted, and all errors (including overflow)
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* are reported uniformly through the return value.
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*
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* Requires:
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*\li 'string' points to a null-terminated string
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*\li 0 <= 'base' <= 36
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*
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* Returns:
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*\li #ISC_R_SUCCESS
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*\li #ISC_R_BADNUMBER The string is not numeric (in the given base)
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*\li #ISC_R_RANGE The number is not representable as the requested type.
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*/
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ISC_LANG_ENDDECLS
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#endif /* ISC_PARSEINT_H */
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