41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*
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* This file is part of NativeOS
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* Copyright (C) 2015-2018 The NativeOS contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stddef.h>
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size_t
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strlen(const char *s)
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{
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const char *ptr;
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for (ptr = s; *ptr; ptr++)
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;
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return ptr - s;
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}
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size_t
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strnlen(const char *s, size_t maxlen)
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{
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if (maxlen == 0) {
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return 0;
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}
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const char *ptr;
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for (ptr = s; *ptr && maxlen--; ptr++)
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;
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return ptr - s;
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}
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