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trezor-firmware/legacy/emulator/strl.c

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/*
* This file is part of the Trezor project, https://trezor.io/
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*
* Copyright (C) 2017 Saleem Rashid <trezor@saleemrashid.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "strl.h"
#include "util.h"
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#include <string.h>
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#if (!defined __APPLE__) && (!defined HAVE_STRLCPY)
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size_t strlcpy(char *dst, const char *src, size_t size) {
size_t ret = strlen(src);
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if (size) {
size_t len = MIN(ret, size - 1);
memcpy(dst, src, len);
dst[len] = '\0';
}
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return ret;
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}
size_t strlcat(char *dst, const char *src, size_t size) {
size_t n = strnlen(dst, size);
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return n + strlcpy(&dst[n], src, size - n);
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}
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#endif