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2c5e7ec547
Noticed because the settings they specified weren't getting picked up by editor sessions in those files.
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
// -*- mode:c++; indent-tabs-mode:nil; c-basic-offset:4; coding:utf-8 -*-
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// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
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//
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// Copyright 2024 Justine Alexandra Roberts Tunney
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//
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// Permission to use, copy, modify, and/or distribute this software for
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// any purpose with or without fee is hereby granted, provided that the
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// above 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 THE AUTHOR DISCLAIMS ALL
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// WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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// AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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// DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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// PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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// TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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#include "string.h"
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#include <stdckdint.h>
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#include <string.h>
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namespace ctl {
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string
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strcat(const string_view lhs, const string_view rhs) noexcept
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{
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string res;
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size_t need;
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if (ckd_add(&need, lhs.n, rhs.n))
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__builtin_trap();
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if (ckd_add(&need, need, 1))
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__builtin_trap();
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res.reserve(need);
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if (lhs.n)
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memcpy(res.p, lhs.p, lhs.n);
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if (rhs.n)
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memcpy(res.p + lhs.n, rhs.p, rhs.n);
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res.p[res.n = lhs.n + rhs.n] = 0;
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return res;
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}
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} // namespace ctl
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