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32 lines
614 B
C
32 lines
614 B
C
/*
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* Copyright (c) 2022 Yubico AB. All rights reserved.
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* Use of this source code is governed by a BSD-style
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* license that can be found in the LICENSE file.
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <errno.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "fido.h"
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int
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fido_to_uint64(const char *str, int base, uint64_t *out)
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{
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char *ep;
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unsigned long long ull;
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errno = 0;
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ull = strtoull(str, &ep, base);
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if (str == ep || *ep != '\0')
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return -1;
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else if (ull == ULLONG_MAX && errno == ERANGE)
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return -1;
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else if (ull > UINT64_MAX)
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return -1;
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*out = (uint64_t)ull;
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return 0;
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}
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