libcruft-util/string.cpp

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2011-08-12 00:25:59 +10:00
/*
* This file is part of libgim.
*
* libgim is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with libgim. If not, see <http://www.gnu.org/licenses/>.
*
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* Copyright 2011 Danny Robson <danny@nerdcruft.net>
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*/
#include "string.hpp"
#include <cstring>
// TODO: Horribly inefficient, but God help you if you're relying on this
// being efficient in the first place.
bool
strbegins (const char *restrict str,
const char *restrict prefix) {
return 0 == strncmp (prefix, str, strlen (prefix));
}
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#if !defined(HAVE_STRNDUP)
// Written by Niels M<>ller <nisse@lysator.liu.se>
// Placed in the public domain
char *restrict
strndup (const char *restrict s, size_t size)
{
char *r;
char *end = (char *)memchr(s, 0, size);
if (end)
// Length + 1
size = end - s + 1;
char * r = malloc(size);
if (size) {
memcpy(r, s, size-1);
r[size-1] = '\0';
}
return r;
}
#endif