Files
libcxx/test/std/strings/c.strings/cstring.pass.cpp
Chandler Carruth 7c3769df62 Update more file headers across all of the LLVM projects in the monorepo
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@351648 91177308-0d34-0410-b5e6-96231b3b80d8
2019-01-19 10:56:40 +00:00

64 lines
2.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <cstring>
#include <cstring>
#include <type_traits>
#include "test_macros.h"
#ifndef NULL
#error NULL not defined
#endif
int main()
{
std::size_t s = 0;
void* vp = 0;
const void* vpc = 0;
char* cp = 0;
const char* cpc = 0;
ASSERT_SAME_TYPE(void*, decltype(std::memcpy(vp, vpc, s)));
ASSERT_SAME_TYPE(void*, decltype(std::memmove(vp, vpc, s)));
ASSERT_SAME_TYPE(char*, decltype(std::strcpy(cp, cpc)));
ASSERT_SAME_TYPE(char*, decltype(std::strncpy(cp, cpc, s)));
ASSERT_SAME_TYPE(char*, decltype(std::strcat(cp, cpc)));
ASSERT_SAME_TYPE(char*, decltype(std::strncat(cp, cpc, s)));
ASSERT_SAME_TYPE(int, decltype(std::memcmp(vpc, vpc, s)));
ASSERT_SAME_TYPE(int, decltype(std::strcmp(cpc, cpc)));
ASSERT_SAME_TYPE(int, decltype(std::strncmp(cpc, cpc, s)));
ASSERT_SAME_TYPE(int, decltype(std::strcoll(cpc, cpc)));
ASSERT_SAME_TYPE(std::size_t, decltype(std::strxfrm(cp, cpc, s)));
ASSERT_SAME_TYPE(void*, decltype(std::memchr(vp, 0, s)));
ASSERT_SAME_TYPE(char*, decltype(std::strchr(cp, 0)));
ASSERT_SAME_TYPE(std::size_t, decltype(std::strcspn(cpc, cpc)));
ASSERT_SAME_TYPE(char*, decltype(std::strpbrk(cp, cpc)));
ASSERT_SAME_TYPE(char*, decltype(std::strrchr(cp, 0)));
ASSERT_SAME_TYPE(std::size_t, decltype(std::strspn(cpc, cpc)));
ASSERT_SAME_TYPE(char*, decltype(std::strstr(cp, cpc)));
#ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
ASSERT_SAME_TYPE(char*, decltype(std::strtok(cp, cpc)));
#endif
ASSERT_SAME_TYPE(void*, decltype(std::memset(vp, 0, s)));
ASSERT_SAME_TYPE(char*, decltype(std::strerror(0)));
ASSERT_SAME_TYPE(std::size_t, decltype(std::strlen(cpc)));
// These tests fail on systems whose C library doesn't provide a correct overload
// set for strchr, strpbrk, strrchr, strstr, and memchr, unless the compiler is
// a suitably recent version of Clang.
#if !defined(__APPLE__) || defined(_LIBCPP_PREFERRED_OVERLOAD)
ASSERT_SAME_TYPE(const void*, decltype(std::memchr(vpc, 0, s)));
ASSERT_SAME_TYPE(const char*, decltype(std::strchr(cpc, 0)));
ASSERT_SAME_TYPE(const char*, decltype(std::strpbrk(cpc, cpc)));
ASSERT_SAME_TYPE(const char*, decltype(std::strrchr(cpc, 0)));
ASSERT_SAME_TYPE(const char*, decltype(std::strstr(cpc, cpc)));
#endif
}