60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011 Danny Robson <danny@nerdcruft.net>
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*/
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#include "string.hpp"
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#include <cstring>
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#include "types/casts.hpp"
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// TODO: Horribly inefficient, but God help you if you're relying on this
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// being efficient in the first place.
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bool
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strbegins (const char *restrict str,
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const char *restrict prefix) {
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return 0 == strncmp (prefix, str, strlen (prefix));
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}
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#if !defined(HAVE_STRNDUP)
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#include <cstdlib>
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// Written by Niels Möller <nisse@lysator.liu.se>
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// Placed in the public domain
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char *
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strndup (const char *restrict s, size_t size)
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{
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char *end = static_cast<char *> (memchr (s, 0, size));
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if (end)
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// Length + 1
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size = sign_cast<size_t> (end - s) + 1u;
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char * r = static_cast<char *> (malloc (size));
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if (size) {
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memcpy (r, s, size-1);
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r[size-1] = '\0';
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}
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return r;
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}
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#endif
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