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// Copyright (c) 2015 Ryan Prichard
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef WINPTY_SHARED_STRING_UTIL_H
#define WINPTY_SHARED_STRING_UTIL_H
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <algorithm>
#include <string>
#include <vector>
#include "WinptyAssert.h"
size_t winpty_wcsnlen(const wchar_t *s, size_t maxlen);
std::string utf8FromWide(const std::wstring &input);
// Return a vector containing each character in the string.
template <typename T>
std::vector<T> vectorFromString(const std::basic_string<T> &str) {
return std::vector<T>(str.begin(), str.end());
}
// Return a vector containing each character in the string, followed by a
// NUL terminator.
template <typename T>
std::vector<T> vectorWithNulFromString(const std::basic_string<T> &str) {
std::vector<T> ret;
ret.reserve(str.size() + 1);
ret.insert(ret.begin(), str.begin(), str.end());
ret.push_back('\0');
return ret;
}
// A safer(?) version of wcsncpy that is accepted by MSVC's /SDL mode.
template <size_t N>
wchar_t *winpty_wcsncpy(wchar_t (&d)[N], const wchar_t *s) {
ASSERT(s != nullptr);
size_t i = 0;
for (; i < N; ++i) {
if (s[i] == L'\0') {
break;
}
d[i] = s[i];
}
for (; i < N; ++i) {
d[i] = L'\0';
}
return d;
}
// Like wcsncpy, but ensure that the destination buffer is NUL-terminated.
template <size_t N>
wchar_t *winpty_wcsncpy_nul(wchar_t (&d)[N], const wchar_t *s) {
static_assert(N > 0, "array cannot be 0-size");
winpty_wcsncpy(d, s);
d[N - 1] = L'\0';
return d;
}
#endif // WINPTY_SHARED_STRING_UTIL_H
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