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편집 파일: 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 */