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 #include "test_macros.h"
16
17 #ifndef BUFSIZ
18 #error BUFSIZ not defined
19 #endif
20
21 #ifndef EOF
22 #error EOF not defined
23 #endif
24
25 #ifndef FILENAME_MAX
26 #error FILENAME_MAX not defined
27 #endif
28
29 #ifndef FOPEN_MAX
30 #error FOPEN_MAX not defined
31 #endif
32
33 #ifndef L_tmpnam
34 #error L_tmpnam not defined
35 #endif
36
37 #ifndef NULL
38 #error NULL not defined
39 #endif
40
41 #ifndef SEEK_CUR
42 #error SEEK_CUR not defined
43 #endif
44
45 #ifndef SEEK_END
46 #error SEEK_END not defined
47 #endif
48
49 #ifndef SEEK_SET
50 #error SEEK_SET not defined
51 #endif
52
53 #ifndef TMP_MAX
54 #error TMP_MAX not defined
55 #endif
56
57 #ifndef _IOFBF
58 #error _IOFBF not defined
59 #endif
60
61 #ifndef _IOLBF
62 #error _IOLBF not defined
63 #endif
64
65 #ifndef _IONBF
66 #error _IONBF not defined
67 #endif
68
69 #ifndef stderr
70 #error stderr not defined
71 #endif
72
73 #ifndef stdin
74 #error stdin not defined
75 #endif
76
77 #ifndef stdout
78 #error stdout not defined
79 #endif
80
81 #include <cstdarg>
82
83 #if defined(__clang__)
84 #pragma clang diagnostic push
85 #pragma clang diagnostic ignored "-Wformat-zero-length"
86 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
87 #endif
88
main()89 int main()
90 {
91 std::FILE* fp = 0;
92 std::fpos_t fpos = std::fpos_t();
93 std::size_t s = 0;
94 char* cp = 0;
95 std::va_list va;
96 ((void)fp); // Prevent unused warning
97 ((void)fpos); // Prevent unused warning
98 ((void)s); // Prevent unused warning
99 ((void)cp); // Prevent unused warning
100 ((void)va); // Prevent unused warning
101 static_assert((std::is_same<decltype(std::fclose(fp)), int>::value), "");
102 static_assert((std::is_same<decltype(std::fflush(fp)), int>::value), "");
103 static_assert((std::is_same<decltype(std::setbuf(fp,cp)), void>::value), "");
104 static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
105 static_assert((std::is_same<decltype(std::fprintf(fp," ")), int>::value), "");
106 static_assert((std::is_same<decltype(std::fscanf(fp,"")), int>::value), "");
107 static_assert((std::is_same<decltype(std::snprintf(cp,0," ")), int>::value), "");
108 static_assert((std::is_same<decltype(std::sprintf(cp," ")), int>::value), "");
109 static_assert((std::is_same<decltype(std::sscanf("","")), int>::value), "");
110 static_assert((std::is_same<decltype(std::vfprintf(fp,"",va)), int>::value), "");
111 static_assert((std::is_same<decltype(std::vfscanf(fp,"",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::putc(0,fp)), int>::value), "");
121 static_assert((std::is_same<decltype(std::ungetc(0,fp)), int>::value), "");
122 static_assert((std::is_same<decltype(std::fread((void*)0,0,0,fp)), std::size_t>::value), "");
123 static_assert((std::is_same<decltype(std::fwrite((const void*)0,0,0,fp)), std::size_t>::value), "");
124 static_assert((std::is_same<decltype(std::fgetpos(fp, &fpos)), int>::value), "");
125 static_assert((std::is_same<decltype(std::fseek(fp, 0,0)), int>::value), "");
126 static_assert((std::is_same<decltype(std::fsetpos(fp, &fpos)), int>::value), "");
127 static_assert((std::is_same<decltype(std::ftell(fp)), long>::value), "");
128 static_assert((std::is_same<decltype(std::rewind(fp)), void>::value), "");
129 static_assert((std::is_same<decltype(std::clearerr(fp)), void>::value), "");
130 static_assert((std::is_same<decltype(std::feof(fp)), int>::value), "");
131 static_assert((std::is_same<decltype(std::ferror(fp)), int>::value), "");
132 static_assert((std::is_same<decltype(std::perror("")), void>::value), "");
133
134 #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
135 static_assert((std::is_same<decltype(std::fopen("", "")), std::FILE*>::value), "");
136 static_assert((std::is_same<decltype(std::freopen("", "", fp)), std::FILE*>::value), "");
137 static_assert((std::is_same<decltype(std::remove("")), int>::value), "");
138 static_assert((std::is_same<decltype(std::rename("","")), int>::value), "");
139 static_assert((std::is_same<decltype(std::tmpfile()), std::FILE*>::value), "");
140 static_assert((std::is_same<decltype(std::tmpnam(cp)), char*>::value), "");
141 #endif
142
143 #ifndef _LIBCPP_HAS_NO_STDIN
144 static_assert((std::is_same<decltype(std::getchar()), int>::value), "");
145 #if TEST_STD_VER <= 11
146 static_assert((std::is_same<decltype(std::gets(cp)), char*>::value), "");
147 #endif
148 static_assert((std::is_same<decltype(std::scanf(" ")), int>::value), "");
149 static_assert((std::is_same<decltype(std::vscanf("",va)), int>::value), "");
150 #endif
151
152 #ifndef _LIBCPP_HAS_NO_STDOUT
153 static_assert((std::is_same<decltype(std::printf(" ")), int>::value), "");
154 static_assert((std::is_same<decltype(std::putchar(0)), int>::value), "");
155 static_assert((std::is_same<decltype(std::puts("")), int>::value), "");
156 static_assert((std::is_same<decltype(std::vprintf(" ",va)), int>::value), "");
157 #endif
158 }
159