1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// test <cstdio>
11
12#include <cstdio>
13#include <type_traits>
14
15#ifndef BUFSIZ
16#error BUFSIZ not defined
17#endif
18
19#ifndef EOF
20#error EOF not defined
21#endif
22
23#ifndef FILENAME_MAX
24#error FILENAME_MAX not defined
25#endif
26
27#ifndef FOPEN_MAX
28#error FOPEN_MAX not defined
29#endif
30
31#ifndef L_tmpnam
32#error L_tmpnam not defined
33#endif
34
35#ifndef NULL
36#error NULL not defined
37#endif
38
39#ifndef SEEK_CUR
40#error SEEK_CUR not defined
41#endif
42
43#ifndef SEEK_END
44#error SEEK_END not defined
45#endif
46
47#ifndef SEEK_SET
48#error SEEK_SET not defined
49#endif
50
51#ifndef TMP_MAX
52#error TMP_MAX not defined
53#endif
54
55#ifndef _IOFBF
56#error _IOFBF not defined
57#endif
58
59#ifndef _IOLBF
60#error _IOLBF not defined
61#endif
62
63#ifndef _IONBF
64#error _IONBF not defined
65#endif
66
67#ifndef stderr
68#error stderr not defined
69#endif
70
71#ifndef stdin
72#error stdin not defined
73#endif
74
75#ifndef stdout
76#error stdout not defined
77#endif
78
79#include <cstdarg>
80
81#pragma clang diagnostic push
82#pragma clang diagnostic ignored "-Wformat-zero-length"
83
84int main()
85{
86    std::FILE* fp = 0;
87    std::fpos_t fpos = {0};
88    std::size_t s = 0;
89    char* cp = 0;
90    std::va_list va;
91    static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
92    static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
93    static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
94    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
95    static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
96    static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
97    static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
98    static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
99    static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
100    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
101    static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");
102    static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");
103    static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");
104    static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");
105    static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");
106    static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");
107    static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");
108    static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");
109    static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");
110    static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");
111    static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
112    static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
113    static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
114    static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
115    static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
116    static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
117    static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
118    static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
119    static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
120    static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
121    static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
122    static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
123
124#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
125    static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
126    static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
127    static_assert((std::is_same<decltype(std::remove("")), int>::value), "");
128    static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
129    static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
130    static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
131#endif
132
133#ifndef _LIBCPP_HAS_NO_STDIN
134    static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
135#if _LIBCPP_STD_VER <= 11
136    static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
137#endif
138    static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
139    static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
140#endif
141
142#ifndef _LIBCPP_HAS_NO_STDOUT
143    static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
144    static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
145    static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
146    static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
147#endif
148}
149