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63 lines
2 KiB
C
63 lines
2 KiB
C
/*
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* Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 2001, 2002 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: parseint.h,v 1.2.202.4 2004/03/08 09:04:52 marka 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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/*
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* 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'. 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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* 'string' points to a null-terminated string
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* 0 <= 'base' <= 36
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*
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* Returns:
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* ISC_R_SUCCESS
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* ISC_R_BADNUMBER The string is not numeric (in the given base)
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* 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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