mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2025-01-09 14:07:58 +00:00
109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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#if defined(ATMOSPHERE_IS_STRATOSPHERE)
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#include <stratosphere.hpp>
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#elif defined(ATMOSPHERE_IS_MESOSPHERE)
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#include <mesosphere.hpp>
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#elif defined(ATMOSPHERE_IS_EXOSPHERE)
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#include <exosphere.hpp>
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#else
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#include <vapours.hpp>
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#endif
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namespace ams::prfile2 {
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size_t w_strlen(const WideChar *s) {
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const WideChar *cur;
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for (cur = s; *cur != 0; ++cur) {
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/* ... */
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}
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return cur - s;
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}
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size_t w_strnlen(const WideChar *s, size_t length) {
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const WideChar *cur;
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for (cur = s; *cur != 0 && length != 0; ++cur, --length) {
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/* ... */
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}
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return cur - s;
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}
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WideChar *w_strcpy(WideChar *dst, const WideChar *src) {
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WideChar * const ret = dst;
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while (true) {
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const auto c = *(src++);
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*(dst++) = c;
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if (c == 0) {
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break;
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}
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}
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return ret;
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}
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WideChar *w_strncpy(WideChar *dst, const WideChar *src, size_t length) {
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WideChar * const ret = dst;
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while (length > 1) {
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const auto c = *(src++);
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*(dst++) = c;
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if (c == 0) {
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return ret;
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}
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}
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if (length == 1) {
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*(dst++) = 0;
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}
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return ret;
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}
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int w_strcmp(const WideChar *lhs, const WideChar *rhs) {
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WideChar l, r;
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while (true) {
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l = *(lhs++);
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r = *(rhs++);
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if (l == 0 || r == 0 || l != r) {
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break;
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}
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}
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return l - r;
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}
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int w_strncmp(const WideChar *lhs, const WideChar *rhs, size_t length) {
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if (length == 0) {
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return 0;
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}
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WideChar l, r;
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while (true) {
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l = *(lhs++);
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r = *(rhs++);
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if (l == 0 || r == 0 || l != r) {
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break;
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}
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if ((--length) == 0) {
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return 0;
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}
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}
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return l - r;
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}
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}
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