c931d8e417
Reformat source code with clang-format Closes #46 See merge request isc-projects/bind9!2156 (cherry picked from commit7099e79a9b)4c3b063eImport Linux kernel .clang-format with small modificationsf50b1e06Use clang-format to reformat the source files11341c76Update the definition files for Windowsdf6c1f76Remove tkey_test (which is no-op anyway)
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* Copyright (C) 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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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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/*! \file */
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#include <ctype.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <isc/parseint.h>
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#include <isc/result.h>
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isc_result_t
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isc_parse_uint32(uint32_t *uip, const char *string, int base)
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{
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unsigned long n;
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uint32_t r;
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char * e;
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if (!isalnum((unsigned char)(string[0])))
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return (ISC_R_BADNUMBER);
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errno = 0;
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n = strtoul(string, &e, base);
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if (*e != '\0')
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return (ISC_R_BADNUMBER);
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/*
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* Where long is 64 bits we need to convert to 32 bits then test for
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* equality. This is a no-op on 32 bit machines and a good compiler
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* will optimise it away.
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*/
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r = (uint32_t)n;
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if ((n == ULONG_MAX && errno == ERANGE) || (n != (unsigned long)r))
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return (ISC_R_RANGE);
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*uip = r;
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return (ISC_R_SUCCESS);
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}
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isc_result_t
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isc_parse_uint16(uint16_t *uip, const char *string, int base)
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{
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uint32_t val;
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isc_result_t result;
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result = isc_parse_uint32(&val, string, base);
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if (result != ISC_R_SUCCESS)
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return (result);
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if (val > 0xFFFF)
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return (ISC_R_RANGE);
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*uip = (uint16_t)val;
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return (ISC_R_SUCCESS);
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}
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isc_result_t
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isc_parse_uint8(uint8_t *uip, const char *string, int base)
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{
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uint32_t val;
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isc_result_t result;
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result = isc_parse_uint32(&val, string, base);
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if (result != ISC_R_SUCCESS)
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return (result);
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if (val > 0xFF)
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return (ISC_R_RANGE);
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*uip = (uint8_t)val;
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return (ISC_R_SUCCESS);
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}
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