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
main()84 int 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::remove("")), int>::value), "");
92 static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
93 static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
94 static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
95 static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
96 static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
97 static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
98 static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
99 static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
100 static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
101 static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
102 static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
103 static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
104 static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
105 static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
106 static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
107 static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
108 static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
109 static_assert((std::is_same<decltype(std::vfscanf(fp,"",va)), int>::value), "");
110 static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
111 static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
112 static_assert((std::is_same<decltype(std::vsnprintf(cp,0," ",va)), int>::value), "");
113 static_assert((std::is_same<decltype(std::vsprintf(cp," ",va)), int>::value), "");
114 static_assert((std::is_same<decltype(std::vsscanf("","",va)), int>::value), "");
115 static_assert((std::is_same<decltype(std::fgetc(fp)), int>::value), "");
116 static_assert((std::is_same<decltype(std::fgets(cp,0,fp)), char*>::value), "");
117 static_assert((std::is_same<decltype(std::fputc(0,fp)), int>::value), "");
118 static_assert((std::is_same<decltype(std::fputs("",fp)), int>::value), "");
119 static_assert((std::is_same<decltype(std::getc(fp)), int>::value), "");
120 static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
121 #if _LIBCPP_STD_VER <= 11
122 static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
123 #endif
124 static_assert((std::is_same<decltype(std::putc(0,fp)), int>::value), "");
125 static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
126 static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
127 static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
128 static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
129 static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
130 static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
131 static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
132 static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
133 static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
134 static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
135 static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
136 #if !defined(feof)
137 //check return type of feof only if it's not an macro which may be a compound expression
138 static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
139 #endif
140 #if !defined(ferror)
141 //check return type of ferror only if it's not an macro which may be a compound expression
142 static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
143 #endif
144 static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
145 }
146