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| Current File : //usr/include/bind9/isc/parseint.h |
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef ISC_PARSEINT_H
#define ISC_PARSEINT_H 1
#include <inttypes.h>
#include <isc/lang.h>
#include <isc/types.h>
/*! \file isc/parseint.h
* \brief Parse integers, in a saner way than atoi() or strtoul() do.
*/
/***
*** Functions
***/
ISC_LANG_BEGINDECLS
isc_result_t
isc_parse_uint32(uint32_t *uip, const char *string, int base);
isc_result_t
isc_parse_uint16(uint16_t *uip, const char *string, int base);
isc_result_t
isc_parse_uint8(uint8_t *uip, const char *string, int base);
/*%<
* Parse the null-terminated string 'string' containing a base 'base'
* integer, storing the result in '*uip'.
* The base is interpreted
* as in strtoul(). Unlike strtoul(), leading whitespace, minus or
* plus signs are not accepted, and all errors (including overflow)
* are reported uniformly through the return value.
*
* Requires:
*\li 'string' points to a null-terminated string
*\li 0 <= 'base' <= 36
*
* Returns:
*\li #ISC_R_SUCCESS
*\li #ISC_R_BADNUMBER The string is not numeric (in the given base)
*\li #ISC_R_RANGE The number is not representable as the requested type.
*/
ISC_LANG_ENDDECLS
#endif /* ISC_PARSEINT_H */