1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant//                     The LLVM Compiler Infrastructure
4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open
6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details.
7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test <cstdio>
11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cstdio>
13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <type_traits>
14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef BUFSIZ
16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error BUFSIZ not defined
17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef EOF
20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error EOF not defined
21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef FILENAME_MAX
24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error FILENAME_MAX not defined
25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef FOPEN_MAX
28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error FOPEN_MAX not defined
29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef L_tmpnam
32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error L_tmpnam not defined
33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef NULL
36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error NULL not defined
37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_CUR
40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_CUR not defined
41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_END
44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_END not defined
45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef SEEK_SET
48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error SEEK_SET not defined
49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef TMP_MAX
52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error TMP_MAX not defined
53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IOFBF
56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IOFBF not defined
57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IOLBF
60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IOLBF not defined
61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef _IONBF
64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error _IONBF not defined
65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stderr
68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stderr not defined
69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stdin
72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stdin not defined
73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef stdout
76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#error stdout not defined
77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#endif
78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cstdarg>
80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
81f57bd564fd16203c8969aaa29631f3e1bbaa993fHoward Hinnant#pragma clang diagnostic push
82f57bd564fd16203c8969aaa29631f3e1bbaa993fHoward Hinnant#pragma clang diagnostic ignored "-Wformat-zero-length"
83f57bd564fd16203c8969aaa29631f3e1bbaa993fHoward Hinnant
84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main()
85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::FILE* fp = 0;
87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::fpos_t fpos = {0};
88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::size_t s = 0;
89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    char* cp = 0;
90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    std::va_list va;
91bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
93bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
94bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
95f1151efcb1536554cc781a6d09f1c0d36a3f488cHoward Hinnant    static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
96bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
97f1151efcb1536554cc781a6d09f1c0d36a3f488cHoward Hinnant    static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
98f1151efcb1536554cc781a6d09f1c0d36a3f488cHoward Hinnant    static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
99bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
101bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");
102f1151efcb1536554cc781a6d09f1c0d36a3f488cHoward Hinnant    static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");
103f1151efcb1536554cc781a6d09f1c0d36a3f488cHoward Hinnant    static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");
104bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");
105bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");
106bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");
107bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");
108bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");
109bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");
110bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");
111bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
112bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
113bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
114bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
115bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
116bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
117bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
118bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
119bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
120bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
121bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
122bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
123abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten
124abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
125abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
126abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
127abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::remove("")), int>::value), "");
128abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
129abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
130abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
131abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#endif
132abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten
133abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#ifndef _LIBCPP_HAS_NO_STDIN
134abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
135abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#if _LIBCPP_STD_VER <= 11
136abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
137abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#endif
138abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
139abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
140abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#endif
141abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten
142abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#ifndef _LIBCPP_HAS_NO_STDOUT
143abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
144abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
145abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
146abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten    static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
147abd06b4c9be0a8cf3a69b2b745ef2b112cac83c8Ed Schouten#endif
148bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
149