cstdio.pass.cpp
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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// test <cstdio>
#include <cstdio>
#include <type_traits>
#include "test_macros.h"
#ifndef BUFSIZ
#error BUFSIZ not defined
#endif
#ifndef EOF
#error EOF not defined
#endif
#ifndef FILENAME_MAX
#error FILENAME_MAX not defined
#endif
#ifndef FOPEN_MAX
#error FOPEN_MAX not defined
#endif
#ifndef L_tmpnam
#error L_tmpnam not defined
#endif
#ifndef NULL
#error NULL not defined
#endif
#ifndef SEEK_CUR
#error SEEK_CUR not defined
#endif
#ifndef SEEK_END
#error SEEK_END not defined
#endif
#ifndef SEEK_SET
#error SEEK_SET not defined
#endif
#ifndef TMP_MAX
#error TMP_MAX not defined
#endif
#ifndef _IOFBF
#error _IOFBF not defined
#endif
#ifndef _IOLBF
#error _IOLBF not defined
#endif
#ifndef _IONBF
#error _IONBF not defined
#endif
#ifndef stderr
#error stderr not defined
#endif
#ifndef stdin
#error stdin not defined
#endif
#ifndef stdout
#error stdout not defined
#endif
#include <cstdarg>
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-zero-length"
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif
int main(int, char**)
{
std::FILE* fp = 0;
std::fpos_t fpos = std::fpos_t();
std::size_t s = 0;
char* cp = 0;
std::va_list va;
((void)fp); // Prevent unused warning
((void)fpos); // Prevent unused warning
((void)s); // Prevent unused warning
((void)cp); // Prevent unused warning
((void)va); // Prevent unused warning
static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");
static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");
static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");
static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");
static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");
static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");
static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");
static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");
static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
static_assert((std::is_same<decltype(std::remove("")), int>::value), "");
static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
#endif
#ifndef _LIBCPP_HAS_NO_STDIN
static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
#if TEST_STD_VER <= 11
static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
#endif
static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
#endif
#ifndef _LIBCPP_HAS_NO_STDOUT
static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
#endif
return 0;
}